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1 parent ffc44c1 commit 10bfdbe7c9f7d36f9a37407e676fb387a9a10951 @bblum committed Dec 10, 2011
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  1. +6 −0 basecode/410kern/RNG/kernel.mk
  2. +97 −0 basecode/410kern/RNG/mt19937int.c
  3. +35 −0 basecode/410kern/RNG/mt19937int.h
  4. +32 −0 basecode/410kern/aan.h
  5. +171 −0 basecode/410kern/boot/head.S
  6. +13 −0 basecode/410kern/boot/kernel.mk
  7. +181 −0 basecode/410kern/boot/multiboot.h
  8. +10 −0 basecode/410kern/boot/util.h
  9. +82 −0 basecode/410kern/boot/util_cmdline.c
  10. +150 −0 basecode/410kern/boot/util_lmm.c
  11. BIN basecode/410kern/bootfd.img.gz
  12. +245 −0 basecode/410kern/elf/elf32.h
  13. +40 −0 basecode/410kern/elf/elf_410.h
  14. +866 −0 basecode/410kern/elf/elf_common.h
  15. +9 −0 basecode/410kern/elf/kernel.mk
  16. +243 −0 basecode/410kern/elf/load_helper.c
  17. +67 −0 basecode/410kern/entry.c
  18. +126 −0 basecode/410kern/inc/asm_style.h
  19. +34 −0 basecode/410kern/inc/assert.h
  20. +29 −0 basecode/410kern/inc/exec2obj.h
  21. +47 −0 basecode/410kern/inc/kvmphys.h
  22. +18 −0 basecode/410kern/inc/malloc.h
  23. +18 −0 basecode/410kern/inc/stdarg.h
  24. +12 −0 basecode/410kern/inc/stddef.h
  25. +26 −0 basecode/410kern/inc/stdint.h
  26. +23 −0 basecode/410kern/inc/types.h
  27. +191 −0 basecode/410kern/kernel.lds
  28. +32 −0 basecode/410kern/kernel.mk
  29. +50 −0 basecode/410kern/lmm/README
  30. +21 −0 basecode/410kern/lmm/kernel.mk
  31. +66 −0 basecode/410kern/lmm/lmm.h
  32. +71 −0 basecode/410kern/lmm/lmm_add_free.c
  33. +72 −0 basecode/410kern/lmm/lmm_add_region.c
  34. +86 −0 basecode/410kern/lmm/lmm_alloc.c
  35. +32 −0 basecode/410kern/lmm/lmm_alloc_aligned.c
  36. +155 −0 basecode/410kern/lmm/lmm_alloc_gen.c
  37. +31 −0 basecode/410kern/lmm/lmm_alloc_page.c
  38. +47 −0 basecode/410kern/lmm/lmm_avail.c
  39. +74 −0 basecode/410kern/lmm/lmm_dump.c
  40. +74 −0 basecode/410kern/lmm/lmm_find_free.c
  41. +108 −0 basecode/410kern/lmm/lmm_free.c
  42. +30 −0 basecode/410kern/lmm/lmm_free_page.c
  43. +29 −0 basecode/410kern/lmm/lmm_init.c
  44. +49 −0 basecode/410kern/lmm/lmm_remove_free.c
  45. +58 −0 basecode/410kern/lmm/lmm_types.h
  46. +50 −0 basecode/410kern/malloc/calloc.c
  47. +29 −0 basecode/410kern/malloc/free.c
  48. +18 −0 basecode/410kern/malloc/kernel.mk
  49. +48 −0 basecode/410kern/malloc/malloc.c
  50. +52 −0 basecode/410kern/malloc/malloc_internal.h
  51. +25 −0 basecode/410kern/malloc/malloc_lmm.c
  52. +47 −0 basecode/410kern/malloc/memalign.c
  53. +51 −0 basecode/410kern/malloc/realloc.c
  54. +31 −0 basecode/410kern/malloc/sfree.c
  55. +39 −0 basecode/410kern/malloc/smalloc.c
  56. +52 −0 basecode/410kern/malloc/smemalign.c
  57. +4 −0 basecode/410kern/menu.lst
  58. +323 −0 basecode/410kern/misc/gccisms.c
  59. +9 −0 basecode/410kern/misc/kernel.mk
  60. +10 −0 basecode/410kern/simics/kernel.mk
  61. +13 −0 basecode/410kern/simics/simics.S
  62. +74 −0 basecode/410kern/simics/simics.h
  63. +56 −0 basecode/410kern/simics/simics_c.c
  64. +635 −0 basecode/410kern/stdio/doprnt.c
  65. +34 −0 basecode/410kern/stdio/doprnt.h
  66. +176 −0 basecode/410kern/stdio/doscan.c
  67. +30 −0 basecode/410kern/stdio/doscan.h
  68. +71 −0 basecode/410kern/stdio/hexdump.c
  69. +17 −0 basecode/410kern/stdio/kernel.mk
  70. +109 −0 basecode/410kern/stdio/printf.c
  71. +30 −0 basecode/410kern/stdio/putchar.c
  72. +39 −0 basecode/410kern/stdio/puts.c
  73. +102 −0 basecode/410kern/stdio/sprintf.c
  74. +63 −0 basecode/410kern/stdio/sscanf.c
  75. +47 −0 basecode/410kern/stdio/stdio.h
  76. +27 −0 basecode/410kern/stdlib/abs.c
  77. +8 −0 basecode/410kern/stdlib/atol.c
  78. +91 −0 basecode/410kern/stdlib/ctype.c
  79. +39 −0 basecode/410kern/stdlib/ctype.h
  80. +17 −0 basecode/410kern/stdlib/kernel.mk
  81. +45 −0 basecode/410kern/stdlib/panic.c
  82. +170 −0 basecode/410kern/stdlib/qsort.c
  83. +62 −0 basecode/410kern/stdlib/rand.c
  84. +24 −0 basecode/410kern/stdlib/stdlib.h
  85. +68 −0 basecode/410kern/stdlib/strtol.c
  86. +62 −0 basecode/410kern/stdlib/strtoul.c
  87. +27 −0 basecode/410kern/string/kernel.mk
  88. +53 −0 basecode/410kern/string/memcmp.c
  89. +34 −0 basecode/410kern/string/memset.c
  90. +35 −0 basecode/410kern/string/rindex.c
  91. +38 −0 basecode/410kern/string/strcat.c
  92. +35 −0 basecode/410kern/string/strchr.c
  93. +55 −0 basecode/410kern/string/strcmp.c
  94. +45 −0 basecode/410kern/string/strcpy.c
  95. +64 −0 basecode/410kern/string/strcspn.c
  96. +31 −0 basecode/410kern/string/strdup.c
  97. +58 −0 basecode/410kern/string/string.h
  98. +45 −0 basecode/410kern/string/strlen.c
  99. +64 −0 basecode/410kern/string/strncat.c
  100. +38 −0 basecode/410kern/string/strncmp.c
  101. +51 −0 basecode/410kern/string/strncpy.c
  102. +54 −0 basecode/410kern/string/strpbrk.c
  103. +35 −0 basecode/410kern/string/strrchr.c
  104. +57 −0 basecode/410kern/string/strspn.c
  105. +37 −0 basecode/410kern/string/strstr.c
  106. +86 −0 basecode/410kern/string/strtok.c
  107. +42 −0 basecode/410kern/toplevel.mk
  108. +173 −0 basecode/410kern/x86/asm.S
  109. +44 −0 basecode/410kern/x86/asm.h
  110. +135 −0 basecode/410kern/x86/bcopy.S
  111. +47 −0 basecode/410kern/x86/bzero.S
  112. +125 −0 basecode/410kern/x86/cr.h
  113. +27 −0 basecode/410kern/x86/eflags.S
  114. +60 −0 basecode/410kern/x86/eflags.h
  115. +35 −0 basecode/410kern/x86/idt.h
  116. +28 −0 basecode/410kern/x86/interrupt_defines.h
  117. +13 −0 basecode/410kern/x86/interrupts.c
  118. +16 −0 basecode/410kern/x86/kernel.mk
  119. +655 −0 basecode/410kern/x86/keyhelp.c
  120. +214 −0 basecode/410kern/x86/keyhelp.h
  121. +13 −0 basecode/410kern/x86/misc.h
  122. +15 −0 basecode/410kern/x86/page.h
  123. +94 −0 basecode/410kern/x86/pic.c
  124. +224 −0 basecode/410kern/x86/pic.h
  125. +17 −0 basecode/410kern/x86/rtc.c
  126. +29 −0 basecode/410kern/x86/rtc.h
  127. +24 −0 basecode/410kern/x86/seg.h
  128. +23 −0 basecode/410kern/x86/timer_defines.h
  129. +54 −0 basecode/410kern/x86/video_defines.h
  130. +46 −0 basecode/spec/common_kern.h
  131. +26 −0 basecode/spec/compiler.h
  132. +36 −0 basecode/spec/limits.h
  133. +92 −0 basecode/spec/syscall.h
  134. +68 −0 basecode/spec/syscall_int.h
  135. +50 −0 basecode/spec/ureg.h
View
6 basecode/410kern/RNG/kernel.mk
@@ -0,0 +1,6 @@
+410KLIB_RNG_OBJS = $(410KDIR)/RNG/mt19937int.o
+
+ALL_410KOBJS += $(410KLIB_RNG_OBJS)
+410KCLEANS += $(410KDIR)/libRNG.a
+
+$(410KDIR)/libRNG.a: $(410KLIB_RNG_OBJS)
View
97 basecode/410kern/RNG/mt19937int.c
@@ -0,0 +1,97 @@
+/* A C-program for MT19937: Integer version */
+/* genrand() generates one pseudorandom unsigned integer (32bit) */
+/* which is uniformly distributed among 0 to 2^32-1 for each */
+/* call. sgenrand(seed) set initial values to the working area */
+/* of 624 words. Before genrand(), sgenrand(seed) must be */
+/* called once. (seed is any 32-bit integer except for 0). */
+/* Coded by Takuji Nishimura, considering the suggestions by */
+/* Topher Cooper and Marc Rieffel in July-Aug. 1997. */
+
+/* This library is free software; you can redistribute it and/or */
+/* modify it under the terms of the GNU Library General Public */
+/* License as published by the Free Software Foundation; either */
+/* version 2 of the License, or (at your option) any later */
+/* version. */
+/* This library is distributed in the hope that it will be useful, */
+/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
+/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. */
+/* See the GNU Library General Public License for more details. */
+/* You should have received a copy of the GNU Library General */
+/* Public License along with this library; if not, write to the */
+/* Free Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA */
+/* 02111-1307 USA */
+
+/* Copyright (C) 1997 Makoto Matsumoto and Takuji Nishimura. */
+/* Any feedback is very welcome. For any question, comments, */
+/* see http://www.math.keio.ac.jp/matumoto/emt.html or email */
+/* matumoto@math.keio.ac.jp */
+
+/* modified for 15-410 at CMU by Zachary Anderson(zra) */
+
+/* Period parameters */
+#define N 624
+#define M 397
+#define MATRIX_A 0x9908b0df /* constant vector a */
+#define UPPER_MASK 0x80000000 /* most significant w-r bits */
+#define LOWER_MASK 0x7fffffff /* least significant r bits */
+
+/* Tempering parameters */
+#define TEMPERING_MASK_B 0x9d2c5680
+#define TEMPERING_MASK_C 0xefc60000
+#define TEMPERING_SHIFT_U(y) (y >> 11)
+#define TEMPERING_SHIFT_S(y) (y << 7)
+#define TEMPERING_SHIFT_T(y) (y << 15)
+#define TEMPERING_SHIFT_L(y) (y >> 18)
+
+static unsigned long mt[N]; /* the array for the state vector */
+static int mti=N+1; /* mti==N+1 means mt[N] is not initialized */
+
+/* initializing the array with a NONZERO seed */
+void
+sgenrand(seed)
+unsigned long seed;
+{
+ /* setting initial seeds to mt[N] using */
+ /* the generator Line 25 of Table 1 in */
+ /* [KNUTH 1981, The Art of Computer Programming */
+ /* Vol. 2 (2nd Ed.), pp102] */
+ mt[0]= seed & 0xffffffff;
+ for (mti=1; mti<N; mti++)
+ mt[mti] = (69069 * mt[mti-1]) & 0xffffffff;
+}
+
+unsigned long
+genrand()
+{
+ unsigned long y;
+ static unsigned long mag01[2]={0x0, MATRIX_A};
+ /* mag01[x] = x * MATRIX_A for x=0,1 */
+
+ if (mti >= N) { /* generate N words at one time */
+ int kk;
+
+ if (mti == N+1) /* if sgenrand() has not been called, */
+ sgenrand(4357); /* a default initial seed is used */
+
+ for (kk=0;kk<N-M;kk++) {
+ y = (mt[kk]&UPPER_MASK)|(mt[kk+1]&LOWER_MASK);
+ mt[kk] = mt[kk+M] ^ (y >> 1) ^ mag01[y & 0x1];
+ }
+ for (;kk<N-1;kk++) {
+ y = (mt[kk]&UPPER_MASK)|(mt[kk+1]&LOWER_MASK);
+ mt[kk] = mt[kk+(M-N)] ^ (y >> 1) ^ mag01[y & 0x1];
+ }
+ y = (mt[N-1]&UPPER_MASK)|(mt[0]&LOWER_MASK);
+ mt[N-1] = mt[M-1] ^ (y >> 1) ^ mag01[y & 0x1];
+
+ mti = 0;
+ }
+
+ y = mt[mti++];
+ y ^= TEMPERING_SHIFT_U(y);
+ y ^= TEMPERING_SHIFT_S(y) & TEMPERING_MASK_B;
+ y ^= TEMPERING_SHIFT_T(y) & TEMPERING_MASK_C;
+ y ^= TEMPERING_SHIFT_L(y);
+
+ return y;
+}
View
35 basecode/410kern/RNG/mt19937int.h
@@ -0,0 +1,35 @@
+/* A C-program for MT19937: Integer version */
+/* genrand() generates one pseudorandom unsigned integer (32bit) */
+/* which is uniformly distributed among 0 to 2^32-1 for each */
+/* call. sgenrand(seed) set initial values to the working area */
+/* of 624 words. Before genrand(), sgenrand(seed) must be */
+/* called once. (seed is any 32-bit integer except for 0). */
+/* Coded by Takuji Nishimura, considering the suggestions by */
+/* Topher Cooper and Marc Rieffel in July-Aug. 1997. */
+
+/* This library is free software; you can redistribute it and/or */
+/* modify it under the terms of the GNU Library General Public */
+/* License as published by the Free Software Foundation; either */
+/* version 2 of the License, or (at your option) any later */
+/* version. */
+/* This library is distributed in the hope that it will be useful, */
+/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
+/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. */
+/* See the GNU Library General Public License for more details. */
+/* You should have received a copy of the GNU Library General */
+/* Public License along with this library; if not, write to the */
+/* Free Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA */
+/* 02111-1307 USA */
+
+/* Copyright (C) 1997 Makoto Matsumoto and Takuji Nishimura. */
+/* Any feedback is very welcome. For any question, comments, */
+/* see http://www.math.keio.ac.jp/matumoto/emt.html or email */
+/* matumoto@math.keio.ac.jp */
+
+#ifndef _RAND_H
+#define _RAND_H
+
+void sgenrand( unsigned long );
+unsigned long genrand();
+
+#endif /* _RAND_H */
View
32 basecode/410kern/aan.h
@@ -0,0 +1,32 @@
+/**
+ * @file aan.h
+ * @brief Macro definitions for atomic all-nighters.
+ * @author Ben Blum <bblum@andrew.cmu.edu>
+ */
+
+#ifndef __AAN_H
+#define __AAN_H
+
+#ifdef ATOMIC_ALL_NIGHTERS
+/* function annotations */
+#define MAY_SLEEP __attribute__((atomic_all_nighters("might_sleep")))
+#define WONT_SLEEP __attribute__((atomic_all_nighters("wont_sleep")))
+#define EXIT_AND_SLEEP __attribute__((atomic_all_nighters("nested_one","exit_nested")))
+
+/* context-changing annotations */
+#define ENTER_ATOMIC __attribute__((atomic_all_nighters("wont_sleep","force_disable")))
+#define EXIT_ATOMIC __attribute__((atomic_all_nighters("wont_sleep","force_enable")))
+#define ENTER_ATOMIC_NESTED __attribute__((atomic_all_nighters("wont_sleep","enter_nested")))
+#define EXIT_ATOMIC_NESTED __attribute__((atomic_all_nighters("wont_sleep","exit_nested")))
+
+#else
+#define MAY_SLEEP
+#define WONT_SLEEP
+#define EXIT_AND_SLEEP
+#define ENTER_ATOMIC
+#define EXIT_ATOMIC
+#define ENTER_ATOMIC_NESTED
+#define EXIT_ATOMIC_NESTED
+#endif
+
+#endif
View
171 basecode/410kern/boot/head.S
@@ -0,0 +1,171 @@
+/**
+ * @file boot/head.S
+ * @author matthewj
+ * @author de0u
+ */
+
+/* N.B. This is NOT to be construed as style guidance!! */
+/* N.B. This is NOT to be construed as style guidance!! */
+/* N.B. This is NOT to be construed as style guidance!! */
+
+#include <simics.h>
+#include <x86/video_defines.h>
+#include <x86/seg.h>
+
+/** @brief Entry point from the bootloader */
+.global _start
+/** @brief Start of the kernel image */
+.global __kimg_start
+/** @brief Start of the init GDT */
+.global init_gdt
+/** @brief Start of the init IDT */
+.global init_idt
+/** @brief Start of the init TSS */
+.global init_tss
+
+.text
+
+__kimg_start:
+
+mb_header:
+ /* Not a complete Multiboot header, but GRUB can live with it. */
+ .long 0x1BADB002 /**< Multiboot magic word */
+ .long 0x00000000 /**< Flags field */
+ .long (0 - 0x1BADB002 - 0x00000000) /**< Checksum */
+ .space 244
+
+init_idt: /* 0x100100 */
+ .space 64
+ .long 0x00100998
+ .long 0x00108e00
+ .space 1976
+init_gdt: /* 0x100900 */
+ .long 0x00000000
+ .long 0x00000000
+ .long 0x09300067
+ .long 0x00008910
+ .long 0x0000ffff
+ .long 0x00cf9b00
+ .long 0x0000ffff
+ .long 0x00cf9300
+ .long 0x0000ffff
+ .long 0x00cffb00
+ .long 0x0000ffff
+ .long 0x00cff200
+init_tss: /* 0x100930 */
+ .space 8
+ .word 0x0018
+ .space 92 /* fills with 0's */
+ .word 0x0068
+df_handler: /* 0x100998 */
+ cli
+ /* Get something "out there" first thing */
+ leal fmsg, %ecx
+ movl $SIM_PUTS, %ebx
+ xchg %ebx, %ebx
+ /* We got here because we were in trouble, so be conservative */
+ movl $SEGSEL_KERNEL_DS, %eax
+ movw %ax, %ds
+ movw %ax, %es
+ movw %ax, %fs
+ movw %ax, %gs
+ movw %ax, %ss
+ leal istack, %esp
+ subl $2048, %esp /* try to avoid wiping state */
+ /* Now we probably have a runtime environment */
+ leal fbytes, %eax
+ pushl %eax
+ call blat
+df_handler_loop:
+ jmp df_handler_loop
+
+_start:
+ cli
+ leal istack, %esp /* Load initial stack pointer */
+
+ movl $init_tss, %eax
+ subl $init_gdt, %eax
+ subl $1, %eax
+ pushl %eax /* gdt limit == sizeof(gdt)-1 */
+ pushl $init_gdt
+ call lgdt
+ addl $8, %esp
+
+ movl $init_gdt, %eax
+ subl $init_idt, %eax
+ subl $1, %eax
+ pushl %eax /* idt limit == sizeof(idt)-1 */
+ pushl $init_idt
+ call lidt
+ addl $8, %esp
+
+ movl $SEGSEL_TSS, %eax
+ ltr %ax
+
+ pushl %esp /* Pass in the top of the initial stack */
+ pushl %ebx /* Pass in the multiboot structure */
+ call mb_entry /* Call the C entry point */
+
+ pushl $pbytes
+ call blat
+stuck:
+ jmp stuck
+
+# void blat(uint8_t *bytes)
+blat:
+ pushl %ebp
+ movl %esp, %ebp
+ pushl %ebx
+ pushl %esi
+ pushl %edi
+
+ movl 8(%ebp), %eax # bytes
+ pushl %eax
+ call strlen
+ movl %eax, %edx # EDX: strlen(bytes)
+ add $4, %esp
+
+ movl $CONSOLE_MEM_BASE, %edi # EDI: dest
+
+ movl $CONSOLE_WIDTH, %ebx
+ imull $CONSOLE_HEIGHT, %ebx
+ sall $1, %ebx # 2*width*height
+ addl %edi, %ebx # EBX: limit
+ subl %edx, %ebx # EBX: limit (round down)
+
+ movl %es, %eax
+ pushl %eax # save ES
+ movl %ds, %eax
+ movl %eax, %es # force ES to match DS
+
+movs:
+ movl %edx, %ecx # ECX: count
+ movl 8(%ebp), %esi # ESI: source
+ rep movsb # ECX bytes from DS:ESI to ES:EDI
+ cmpl %edi, %ebx
+ jg movs
+
+ popl %eax
+ movl %eax, %es # restore ES
+
+ popl %edi
+ popl %esi
+ popl %ebx
+ popl %ebp
+ ret
+
+.data
+
+fmsg:
+ .asciz "\n***** Double fault!\n"
+fbytes:
+ .asciz "D\ro\ru\rb\rl\re\r \rf\ra\ru\rl\rt\r!\r \r"
+
+pmsg:
+ .asciz "Kernel cannot return()!"
+pbytes:
+ .asciz "K\re\rr\rn\re\rl\r \rc\ra\rn\rn\ro\rt\r \rr\re\rt\ru\rr\rn\r(\r)\r!\r \r"
+
+/* Initial stack */
+.space 4096
+istack:
View
13 basecode/410kern/boot/kernel.mk
@@ -0,0 +1,13 @@
+410K_BOOT_OBJS := \
+ util_lmm.o \
+ util_cmdline.o \
+
+410K_BOOT_OBJS := $(410K_BOOT_OBJS:%=$(410KDIR)/boot/%)
+
+ALL_410KOBJS += $(410K_BOOT_OBJS)
+410KCLEANS += $(410KDIR)/libboot.a
+
+$(410KDIR)/libboot.a: $(410K_BOOT_OBJS)
+
+KERNEL_BOOT_HEAD += $(410KDIR)/boot/head.o
+410KCLEANS += $(KERNEL_BOOT_HEAD)
View
181 basecode/410kern/boot/multiboot.h
@@ -0,0 +1,181 @@
+/*
+ * Copyright (c) 1995-1994 The University of Utah and
+ * the Computer Systems Laboratory at the University of Utah (CSL).
+ * All rights reserved.
+ *
+ * Permission to use, copy, modify and distribute this software is hereby
+ * granted provided that (1) source code retains these copyright, permission,
+ * and disclaimer notices, and (2) redistributions including binaries
+ * reproduce the notices in supporting documentation, and (3) all advertising
+ * materials mentioning features or use of this software display the following
+ * acknowledgement: ``This product includes software developed by the
+ * Computer Systems Laboratory at the University of Utah.''
+ *
+ * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
+ * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
+ * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ *
+ * CSL requests users of this software to return to csl-dist@cs.utah.edu any
+ * improvements that they make and grant CSL redistribution rights.
+ */
+#ifndef _FLUX_X86_MULTIBOOT_H_
+#define _FLUX_X86_MULTIBOOT_H_
+
+#include <types.h>
+
+/* For a.out kernel boot images, the following header must appear
+ somewhere in the first 8192 bytes of the kernel image file. */
+struct multiboot_header
+{
+ /* Must be MULTIBOOT_MAGIC */
+ unsigned magic;
+
+ /* Feature flags - see below. */
+ unsigned flags;
+
+ /* Checksum: magic + flags + checksum == 0 */
+ unsigned checksum;
+
+ /* These are only valid if MULTIBOOT_AOUT_KLUDGE is set. */
+ vm_offset_t header_addr;
+ vm_offset_t load_addr;
+ vm_offset_t load_end_addr;
+ vm_offset_t bss_end_addr;
+ vm_offset_t entry;
+};
+
+/* The entire multiboot_header must be contained
+ within the first MULTIBOOT_SEARCH bytes of the kernel image. */
+#define MULTIBOOT_SEARCH 8192
+
+/* Magic value identifying the multiboot_header. */
+#define MULTIBOOT_MAGIC 0x1badb002
+
+/* Features flags for 'flags'.
+ If a boot loader sees a flag in MULTIBOOT_MUSTKNOW set
+ and it doesn't understand it, it must fail. */
+#define MULTIBOOT_MUSTKNOW 0x0000ffff
+
+/* Align all boot modules on page (4KB) boundaries. */
+#define MULTIBOOT_PAGE_ALIGN 0x00000001
+
+/* Must be provided memory information in multiboot_info structure */
+#define MULTIBOOT_MEMORY_INFO 0x00000002
+
+/* Use the load address fields above instead of the ones in the a.out header
+ to figure out what to load where, and what to do afterwards.
+ This should only be needed for a.out kernel images
+ (ELF and other formats can generally provide the needed information). */
+#define MULTIBOOT_AOUT_KLUDGE 0x00010000
+
+/* The boot loader passes this value in register EAX to signal the kernel
+ that the multiboot method is being used */
+#define MULTIBOOT_VALID 0x2badb002
+
+/* The boot loader passes this data structure to the kernel in
+ register EBX on entry. */
+struct multiboot_info
+{
+ /* These flags indicate which parts of the multiboot_info are valid;
+ see below for the actual flag bit definitions. */
+ unsigned flags;
+
+ /* Lower/Upper memory installed in the machine.
+ Valid only if MULTIBOOT_MEMORY is set in flags word above. */
+ vm_size_t mem_lower;
+ vm_size_t mem_upper;
+
+ /* BIOS disk device the kernel was loaded from.
+ Valid only if MULTIBOOT_BOOT_DEVICE is set in flags word above. */
+ unsigned char boot_device[4];
+
+ /* Command-line for the OS kernel: a null-terminated ASCII string.
+ Valid only if MULTIBOOT_CMDLINE is set in flags word above. */
+ vm_offset_t cmdline;
+
+ /* List of boot modules loaded with the kernel.
+ Valid only if MULTIBOOT_MODS is set in flags word above. */
+ unsigned mods_count;
+ vm_offset_t mods_addr;
+
+ /* Symbol information for a.out or ELF executables. */
+ union
+ {
+ struct
+ {
+ /* a.out symbol information valid only if MULTIBOOT_AOUT_SYMS
+ is set in flags word above. */
+ vm_size_t tabsize;
+ vm_size_t strsize;
+ vm_offset_t addr;
+ unsigned reserved;
+ } a;
+
+ struct
+ {
+ /* ELF section header information valid only if
+ MULTIBOOT_ELF_SHDR is set in flags word above. */
+ unsigned num;
+ vm_size_t size;
+ vm_offset_t addr;
+ unsigned shndx;
+ } e;
+ } syms;
+
+ /* Memory map buffer.
+ Valid only if MULTIBOOT_MEM_MAP is set in flags word above. */
+ vm_size_t mmap_count;
+ vm_offset_t mmap_addr;
+};
+
+typedef struct multiboot_info mbinfo_t;
+
+#define MULTIBOOT_MEMORY (1L<<0)
+#define MULTIBOOT_BOOT_DEVICE (1L<<1)
+#define MULTIBOOT_CMDLINE (1L<<2)
+#define MULTIBOOT_MODS (1L<<3)
+#define MULTIBOOT_AOUT_SYMS (1L<<4)
+#define MULTIBOOT_ELF_SHDR (1L<<5)
+#define MULTIBOOT_MEM_MAP (1L<<6)
+
+/* For use with printf's %b format. */
+#define MULTIBOOT_FLAGS_FORMAT \
+ "\20\1MEMORY\2BOOT_DEVICE\3CMDLINE\4MODS\5AOUT_SYMS\6ELF_SHDR\7MEM_MAP"
+
+/* The mods_addr field above contains the physical address of the first
+ of 'mods_count' multiboot_module structures. */
+struct multiboot_module
+{
+ /* Physical start and end addresses of the module data itself. */
+ vm_offset_t mod_start;
+ vm_offset_t mod_end;
+
+ /* Arbitrary ASCII string associated with the module. */
+ vm_offset_t string;
+
+ /* Boot loader must set to 0; OS must ignore. */
+ unsigned reserved;
+};
+
+
+/* The mmap_addr field above contains the physical address of the first
+ of the AddrRangeDesc structure. "size" represents the size of the
+ rest of the structure and optional padding. The offset to the beginning
+ of the next structure is therefore "size + 4". */
+struct AddrRangeDesc
+{
+ unsigned long size;
+ unsigned long BaseAddrLow;
+ unsigned long BaseAddrHigh;
+ unsigned long LengthLow;
+ unsigned long LengthHigh;
+ unsigned long Type;
+
+ /* unspecified optional padding... */
+};
+
+/* usable memory "Type", all others are reserved. */
+#define MB_ARD_MEMORY 1
+
+
+#endif /* _FLUX_X86_MULTIBOOT_H_ */
View
10 basecode/410kern/boot/util.h
@@ -0,0 +1,10 @@
+#ifndef _410KERN_MULTIBOOT_UTILS_H_
+#define _410KERN_MULTIBOOT_UTILS_H_
+
+#include <boot/multiboot.h>
+#include <lmm/lmm.h>
+
+void mb_util_cmdline(mbinfo_t *, int *, char ***, char ***);
+void mb_util_lmm(mbinfo_t *, lmm_t *);
+
+#endif
View
82 basecode/410kern/boot/util_cmdline.c
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 1996 The University of Utah and
+ * the Computer Systems Laboratory at the University of Utah (CSL).
+ * All rights reserved.
+ *
+ * Permission to use, copy, modify and distribute this software is hereby
+ * granted provided that (1) source code retains these copyright, permission,
+ * and disclaimer notices, and (2) redistributions including binaries
+ * reproduce the notices in supporting documentation, and (3) all advertising
+ * materials mentioning features or use of this software display the following
+ * acknowledgement: ``This product includes software developed by the
+ * Computer Systems Laboratory at the University of Utah.''
+ *
+ * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
+ * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
+ * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ *
+ * CSL requests users of this software to return to csl-dist@cs.utah.edu any
+ * improvements that they make and grant CSL redistribution rights.
+ */
+
+#include <boot/multiboot.h>
+#include <boot/util.h>
+#include <kvmphys.h>
+#include <stdlib/ctype.h>
+#include <stdlib/stdlib.h>
+#include <string/string.h>
+#include <malloc/malloc_internal.h>
+
+ /* Note that this system uses _malloc to grab memory before the whole
+ * environment is up and running.
+ *
+ * Requires that malloc_lmm is initialized somehow (see mb_util_lmm).
+ */
+
+static char prog_name[] = "kernel";
+static char *null_args[2] = {prog_name, 0};
+
+static const char delim[] = " \f\n\r\t\v";
+
+void mb_util_cmdline(mbinfo_t *mbi, int *argc, char ***argv, char ***envp)
+{
+
+ if (mbi->flags & MULTIBOOT_CMDLINE)
+ {
+ char *cl = (char*)phystokv(mbi->cmdline);
+ unsigned cllen = strlen(cl);
+ char *targ[1 + cllen], *tvar[cllen];
+ unsigned narg = 0, nvar = 0;
+ char *tok;
+
+ /* Parse out the tokens in the command line.
+ XXX Might be good to handle quotes. */
+ for (tok = strtok(cl, delim); tok; tok = strtok(0, delim))
+ {
+ if (strchr(tok, '='))
+ tvar[nvar++] = tok;
+ else
+ targ[narg++] = tok;
+ }
+
+ /* Copy the pointer arrays to permanent heap memory. */
+ *argv = _malloc(sizeof(char*) * (narg + nvar + 2));
+ if (!*argv) panic("No memory to parse command line");
+
+ memcpy(*argv, targ, sizeof(char*) * narg);
+ *argv[narg] = 0;
+ *argc = narg;
+
+ *envp = &*argv[narg+1];
+ memcpy(*envp, tvar, sizeof(char*) * nvar);
+ *envp[nvar] = 0;
+ }
+ else
+ {
+ /* No command line. */
+ *argc = 1;
+ *argv = null_args;
+ *envp = null_args + 1;
+ }
+}
+
View
150 basecode/410kern/boot/util_lmm.c
@@ -0,0 +1,150 @@
+/*
+ * Copyright (c) 1996 The University of Utah and
+ * the Computer Systems Laboratory at the University of Utah (CSL).
+ * All rights reserved.
+ *
+ * Permission to use, copy, modify and distribute this software is hereby
+ * granted provided that (1) source code retains these copyright, permission,
+ * and disclaimer notices, and (2) redistributions including binaries
+ * reproduce the notices in supporting documentation, and (3) all advertising
+ * materials mentioning features or use of this software display the following
+ * acknowledgement: ``This product includes software developed by the
+ * Computer Systems Laboratory at the University of Utah.''
+ *
+ * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
+ * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
+ * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ *
+ * CSL requests users of this software to return to csl-dist@cs.utah.edu any
+ * improvements that they make and grant CSL redistribution rights.
+ */
+
+#include <boot/multiboot.h>
+#include <string/string.h>
+#include <malloc/malloc_internal.h>
+#include <kvmphys.h>
+#include <lmm/lmm_types.h>
+
+/* The 410 world does not care about memory in this much detail. If we
+ * ever start caring this much, these definitions should move back
+ * to their own header file so that other users of LMM can see them
+ * too.
+ *
+ * At the momemnt, though, given only malloc, these are somewhat silly.
+ */
+
+/*
+ * <1MB memory is most precious, then <16MB memory, then high memory.
+ * Assign priorities to each region accordingly
+ * so that high memory will be used first when possible,
+ * then 16MB memory, then 1MB memory.
+ */
+#define LMM_PRI_1MB -2
+#define LMM_PRI_16MB -1
+#define LMM_PRI_HIGH 0
+
+/*
+ * For memory <1MB, both LMMF_1MB and LMMF_16MB will be set.
+ * For memory from 1MB to 16MB, only LMMF_16MB will be set.
+ * For all memory higher than that, neither will be set.
+ */
+#define LMMF_1MB 0x01
+#define LMMF_16MB 0x02
+
+static struct lmm_region reg1mb, reg16mb, reghigh;
+
+#define skip(hole_min, hole_max) \
+ if ((max > (hole_min)) && (min < (hole_max))) \
+ { \
+ if (min < (hole_min)) max = (hole_min); \
+ else { min = (hole_max); goto retry; } \
+ }
+
+void mb_util_lmm (mbinfo_t *mbi, lmm_t *lmm)
+{
+ vm_offset_t min;
+ extern char _start[], end[];
+
+ /* Memory regions to skip. */
+ vm_offset_t cmdline_start_pa = mbi->flags & MULTIBOOT_CMDLINE
+ ? mbi->cmdline : 0;
+ vm_offset_t cmdline_end_pa = cmdline_start_pa
+ ? cmdline_start_pa+strlen((char*)phystokv(cmdline_start_pa))+1
+ : 0;
+
+ /* Initialize the base memory allocator
+ according to the PC's physical memory regions. */
+ lmm_init(lmm);
+
+ /* Do the x86 init dance to build our initial regions */
+ lmm_add_region(&malloc_lmm, &reg1mb,
+ (void*)phystokv(0x00000000), 0x00100000,
+ LMMF_1MB | LMMF_16MB, LMM_PRI_1MB);
+ lmm_add_region(&malloc_lmm, &reg16mb,
+ (void*)phystokv(0x00100000), 0x00f00000,
+ LMMF_16MB, LMM_PRI_16MB);
+ lmm_add_region(&malloc_lmm, &reghigh,
+ (void*)phystokv(0x01000000), 0xfeffffff,
+ 0, LMM_PRI_HIGH);
+
+ /* Add to the free list all the memory the boot loader told us about,
+ carefully avoiding the areas occupied by boot information.
+ as well as our own executable code, data, and bss.
+ Start at the end of the BIOS data area. */
+ min = 0x500;
+ do
+ {
+ vm_offset_t max = 0xffffffff;
+
+ /* Skip the I/O and ROM area. */
+ skip(mbi->mem_lower * 1024, 0x100000);
+
+ /* Stop at the end of upper memory. */
+ skip(0x100000 + mbi->mem_upper * 1024, 0xffffffff);
+
+ /* Skip our own text, data, and bss. */
+ skip(kvtophys(_start), kvtophys(end));
+
+ /* FIXME: temporary state of affairs */
+ extern char __kimg_start[];
+ skip(kvtophys(__kimg_start), kvtophys(end));
+
+ /* Skip the important stuff the bootloader passed to us. */
+ skip(cmdline_start_pa, cmdline_end_pa);
+ if ((mbi->flags & MULTIBOOT_MODS)
+ && (mbi->mods_count > 0))
+ {
+ struct multiboot_module *m = (struct multiboot_module*)
+ phystokv(mbi->mods_addr);
+ unsigned i;
+
+ skip(mbi->mods_addr,
+ mbi->mods_addr +
+ mbi->mods_count * sizeof(*m));
+ for (i = 0; i < mbi->mods_count; i++)
+ {
+ if (m[i].string != 0)
+ {
+ char *s = (char*)phystokv(m[i].string);
+ unsigned len = strlen(s);
+ skip(m[i].string, m[i].string+len+1);
+ }
+ skip(m[i].mod_start, m[i].mod_end);
+ }
+ }
+
+ /* We actually found a contiguous memory block
+ that doesn't conflict with anything else! Whew!
+ Add it to the free list. */
+ lmm_add_free(&malloc_lmm, (void *) min, max - min);
+
+ /* Continue searching just past the end of this region. */
+ min = max;
+
+ /* The skip() macro jumps to this label
+ to restart with a different (higher) min address. */
+ retry:;
+ }
+ while (min < 0xffffffff);
+}
+
View
BIN basecode/410kern/bootfd.img.gz
Binary file not shown.
View
245 basecode/410kern/elf/elf32.h
@@ -0,0 +1,245 @@
+/*-
+ * Copyright (c) 1996-1998 John D. Polstra.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD: src/sys/sys/elf32.h,v 1.8.14.2 2007/12/03 21:30:36 marius Exp $
+ */
+
+#ifndef _SYS_ELF32_H_
+#define _SYS_ELF32_H_ 1
+
+#include <elf/elf_common.h>
+
+/*
+ * ELF definitions common to all 32-bit architectures.
+ */
+
+typedef uint32_t Elf32_Addr;
+typedef uint16_t Elf32_Half;
+typedef uint32_t Elf32_Off;
+typedef int32_t Elf32_Sword;
+typedef uint32_t Elf32_Word;
+typedef uint64_t Elf32_Lword;
+
+typedef Elf32_Word Elf32_Hashelt;
+
+/* Non-standard class-dependent datatype used for abstraction. */
+typedef Elf32_Word Elf32_Size;
+typedef Elf32_Sword Elf32_Ssize;
+
+/*
+ * ELF header.
+ */
+
+typedef struct {
+ unsigned char e_ident[EI_NIDENT]; /* File identification. */
+ Elf32_Half e_type; /* File type. */
+ Elf32_Half e_machine; /* Machine architecture. */
+ Elf32_Word e_version; /* ELF format version. */
+ Elf32_Addr e_entry; /* Entry point. */
+ Elf32_Off e_phoff; /* Program header file offset. */
+ Elf32_Off e_shoff; /* Section header file offset. */
+ Elf32_Word e_flags; /* Architecture-specific flags. */
+ Elf32_Half e_ehsize; /* Size of ELF header in bytes. */
+ Elf32_Half e_phentsize; /* Size of program header entry. */
+ Elf32_Half e_phnum; /* Number of program header entries. */
+ Elf32_Half e_shentsize; /* Size of section header entry. */
+ Elf32_Half e_shnum; /* Number of section header entries. */
+ Elf32_Half e_shstrndx; /* Section name strings section. */
+} Elf32_Ehdr;
+
+/*
+ * Section header.
+ */
+
+typedef struct {
+ Elf32_Word sh_name; /* Section name (index into the
+ section header string table). */
+ Elf32_Word sh_type; /* Section type. */
+ Elf32_Word sh_flags; /* Section flags. */
+ Elf32_Addr sh_addr; /* Address in memory image. */
+ Elf32_Off sh_offset; /* Offset in file. */
+ Elf32_Word sh_size; /* Size in bytes. */
+ Elf32_Word sh_link; /* Index of a related section. */
+ Elf32_Word sh_info; /* Depends on section type. */
+ Elf32_Word sh_addralign; /* Alignment in bytes. */
+ Elf32_Word sh_entsize; /* Size of each entry in section. */
+} Elf32_Shdr;
+
+/*
+ * Program header.
+ */
+
+typedef struct {
+ Elf32_Word p_type; /* Entry type. */
+ Elf32_Off p_offset; /* File offset of contents. */
+ Elf32_Addr p_vaddr; /* Virtual address in memory image. */
+ Elf32_Addr p_paddr; /* Physical address (not used). */
+ Elf32_Word p_filesz; /* Size of contents in file. */
+ Elf32_Word p_memsz; /* Size of contents in memory. */
+ Elf32_Word p_flags; /* Access permission flags. */
+ Elf32_Word p_align; /* Alignment in memory and file. */
+} Elf32_Phdr;
+
+/*
+ * Dynamic structure. The ".dynamic" section contains an array of them.
+ */
+
+typedef struct {
+ Elf32_Sword d_tag; /* Entry type. */
+ union {
+ Elf32_Word d_val; /* Integer value. */
+ Elf32_Addr d_ptr; /* Address value. */
+ } d_un;
+} Elf32_Dyn;
+
+/*
+ * Relocation entries.
+ */
+
+/* Relocations that don't need an addend field. */
+typedef struct {
+ Elf32_Addr r_offset; /* Location to be relocated. */
+ Elf32_Word r_info; /* Relocation type and symbol index. */
+} Elf32_Rel;
+
+/* Relocations that need an addend field. */
+typedef struct {
+ Elf32_Addr r_offset; /* Location to be relocated. */
+ Elf32_Word r_info; /* Relocation type and symbol index. */
+ Elf32_Sword r_addend; /* Addend. */
+} Elf32_Rela;
+
+/* Macros for accessing the fields of r_info. */
+#define ELF32_R_SYM(info) ((info) >> 8)
+#define ELF32_R_TYPE(info) ((unsigned char)(info))
+
+/* Macro for constructing r_info from field values. */
+#define ELF32_R_INFO(sym, type) (((sym) << 8) + (unsigned char)(type))
+
+/*
+ * Note entry header
+ */
+typedef Elf_Note Elf32_Nhdr;
+
+/*
+ * Move entry
+ */
+typedef struct {
+ Elf32_Lword m_value; /* symbol value */
+ Elf32_Word m_info; /* size + index */
+ Elf32_Word m_poffset; /* symbol offset */
+ Elf32_Half m_repeat; /* repeat count */
+ Elf32_Half m_stride; /* stride info */
+} Elf32_Move;
+
+/*
+ * The macros compose and decompose values for Move.r_info
+ *
+ * sym = ELF32_M_SYM(M.m_info)
+ * size = ELF32_M_SIZE(M.m_info)
+ * M.m_info = ELF32_M_INFO(sym, size)
+ */
+#define ELF32_M_SYM(info) ((info)>>8)
+#define ELF32_M_SIZE(info) ((unsigned char)(info))
+#define ELF32_M_INFO(sym, size) (((sym)<<8)+(unsigned char)(size))
+
+/*
+ * Hardware/Software capabilities entry
+ */
+typedef struct {
+ Elf32_Word c_tag; /* how to interpret value */
+ union {
+ Elf32_Word c_val;
+ Elf32_Addr c_ptr;
+ } c_un;
+} Elf32_Cap;
+
+/*
+ * Symbol table entries.
+ */
+
+typedef struct {
+ Elf32_Word st_name; /* String table index of name. */
+ Elf32_Addr st_value; /* Symbol value. */
+ Elf32_Word st_size; /* Size of associated object. */
+ unsigned char st_info; /* Type and binding information. */
+ unsigned char st_other; /* Reserved (not used). */
+ Elf32_Half st_shndx; /* Section index of symbol. */
+} Elf32_Sym;
+
+/* Macros for accessing the fields of st_info. */
+#define ELF32_ST_BIND(info) ((info) >> 4)
+#define ELF32_ST_TYPE(info) ((info) & 0xf)
+
+/* Macro for constructing st_info from field values. */
+#define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf))
+
+/* Macro for accessing the fields of st_other. */
+#define ELF32_ST_VISIBILITY(oth) ((oth) & 0x3)
+
+/* Structures used by Sun & GNU symbol versioning. */
+typedef struct
+{
+ Elf32_Half vd_version;
+ Elf32_Half vd_flags;
+ Elf32_Half vd_ndx;
+ Elf32_Half vd_cnt;
+ Elf32_Word vd_hash;
+ Elf32_Word vd_aux;
+ Elf32_Word vd_next;
+} Elf32_Verdef;
+
+typedef struct
+{
+ Elf32_Word vda_name;
+ Elf32_Word vda_next;
+} Elf32_Verdaux;
+
+typedef struct
+{
+ Elf32_Half vn_version;
+ Elf32_Half vn_cnt;
+ Elf32_Word vn_file;
+ Elf32_Word vn_aux;
+ Elf32_Word vn_next;
+} Elf32_Verneed;
+
+typedef struct
+{
+ Elf32_Word vna_hash;
+ Elf32_Half vna_flags;
+ Elf32_Half vna_other;
+ Elf32_Word vna_name;
+ Elf32_Word vna_next;
+} Elf32_Vernaux;
+
+typedef Elf32_Half Elf32_Versym;
+
+typedef struct {
+ Elf32_Half si_boundto; /* direct bindings - symbol bound to */
+ Elf32_Half si_flags; /* per symbol flags */
+} Elf32_Syminfo;
+
+#endif /* !_SYS_ELF32_H_ */
View
40 basecode/410kern/elf/elf_410.h
@@ -0,0 +1,40 @@
+/* The authorship of the 410 simplified ELF structure seems to be lost to time
+ * immemorial. This file has been rescued and broken out to stand on its own.
+ */
+
+#ifndef _ELF_ELF_410_H_
+#define _ELF_ELF_410_H_
+
+#include <aan.h>
+#include <elf/elf32.h>
+
+/* --- Simplified ELF header --- */
+typedef struct simple_elf {
+ const char * e_fname; /* filename of binary */
+ unsigned long e_entry; /* entry point virtual address */
+ unsigned long e_txtoff; /* offset of text segment in file */
+ unsigned long e_txtlen; /* length of text segment in bytes */
+ unsigned long e_txtstart; /* start of text segment virtual address */
+ unsigned long e_datoff; /* offset of data segment in file */
+ unsigned long e_datlen; /* length of data segment in bytes */
+ unsigned long e_datstart; /* start of data segment in virtual memory */
+ unsigned long e_rodatoff; /* offset of rodata segment in file */
+ unsigned long e_rodatlen; /* length of rodata segment in bytes */
+ unsigned long e_rodatstart; /* start of rodata segment in virtual memory*/
+ unsigned long e_bsslen; /* length of bss segment in bytes */
+ unsigned long e_bssstart; /* start of bss segment in virtual memory */
+} simple_elf_t;
+
+ /* --- Defines --- */
+#define ELF_NOTELF -1
+#define ELF_SUCCESS 0
+#define NOT_PRESENT -2
+
+/*
+ * elf function prototypes
+ */
+extern WONT_SLEEP int getbytes( const char *filename, int offset, int size, char *buf);
+extern WONT_SLEEP int elf_load_helper( simple_elf_t *se_hdr, const char *fname );
+extern WONT_SLEEP int elf_check_header( const char *fname );
+
+#endif
View
866 basecode/410kern/elf/elf_common.h
@@ -0,0 +1,866 @@
+/*-
+ * Copyright (c) 1998 John D. Polstra.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD: src/sys/sys/elf_common.h,v 1.24 2008/08/02 01:20:10 imp Exp $
+ */
+
+#ifndef _SYS_ELF_COMMON_H_
+#define _SYS_ELF_COMMON_H_ 1
+
+#include <stdint.h>
+
+/*
+ * ELF definitions that are independent of architecture or word size.
+ */
+
+/*
+ * Note header. The ".note" section contains an array of notes. Each
+ * begins with this header, aligned to a word boundary. Immediately
+ * following the note header is n_namesz bytes of name, padded to the
+ * next word boundary. Then comes n_descsz bytes of descriptor, again
+ * padded to a word boundary. The values of n_namesz and n_descsz do
+ * not include the padding.
+ */
+
+typedef struct {
+ uint32_t n_namesz; /* Length of name. */
+ uint32_t n_descsz; /* Length of descriptor. */
+ uint32_t n_type; /* Type of this note. */
+} Elf_Note;
+
+/* Indexes into the e_ident array. Keep synced with
+ http://www.sco.com/developers/gabi/latest/ch4.eheader.html */
+#define EI_MAG0 0 /* Magic number, byte 0. */
+#define EI_MAG1 1 /* Magic number, byte 1. */
+#define EI_MAG2 2 /* Magic number, byte 2. */
+#define EI_MAG3 3 /* Magic number, byte 3. */
+#define EI_CLASS 4 /* Class of machine. */
+#define EI_DATA 5 /* Data format. */
+#define EI_VERSION 6 /* ELF format version. */
+#define EI_OSABI 7 /* Operating system / ABI identification */
+#define EI_ABIVERSION 8 /* ABI version */
+#define OLD_EI_BRAND 8 /* Start of architecture identification. */
+#define EI_PAD 9 /* Start of padding (per SVR4 ABI). */
+#define EI_NIDENT 16 /* Size of e_ident array. */
+
+/* Values for the magic number bytes. */
+#define ELFMAG0 0x7f
+#define ELFMAG1 'E'
+#define ELFMAG2 'L'
+#define ELFMAG3 'F'
+#define ELFMAG "\177ELF" /* magic string */
+#define SELFMAG 4 /* magic string size */
+
+/* Values for e_ident[EI_VERSION] and e_version. */
+#define EV_NONE 0
+#define EV_CURRENT 1
+
+/* Values for e_ident[EI_CLASS]. */
+#define ELFCLASSNONE 0 /* Unknown class. */
+#define ELFCLASS32 1 /* 32-bit architecture. */
+#define ELFCLASS64 2 /* 64-bit architecture. */
+
+/* Values for e_ident[EI_DATA]. */
+#define ELFDATANONE 0 /* Unknown data format. */
+#define ELFDATA2LSB 1 /* 2's complement little-endian. */
+#define ELFDATA2MSB 2 /* 2's complement big-endian. */
+
+/* Values for e_ident[EI_OSABI]. */
+#define ELFOSABI_NONE 0 /* UNIX System V ABI */
+#define ELFOSABI_HPUX 1 /* HP-UX operating system */
+#define ELFOSABI_NETBSD 2 /* NetBSD */
+#define ELFOSABI_LINUX 3 /* GNU/Linux */
+#define ELFOSABI_HURD 4 /* GNU/Hurd */
+#define ELFOSABI_86OPEN 5 /* 86Open common IA32 ABI */
+#define ELFOSABI_SOLARIS 6 /* Solaris */
+#define ELFOSABI_AIX 7 /* AIX */
+#define ELFOSABI_IRIX 8 /* IRIX */
+#define ELFOSABI_FREEBSD 9 /* FreeBSD */
+#define ELFOSABI_TRU64 10 /* TRU64 UNIX */
+#define ELFOSABI_MODESTO 11 /* Novell Modesto */
+#define ELFOSABI_OPENBSD 12 /* OpenBSD */
+#define ELFOSABI_OPENVMS 13 /* Open VMS */
+#define ELFOSABI_NSK 14 /* HP Non-Stop Kernel */
+#define ELFOSABI_ARM 97 /* ARM */
+#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
+
+#define ELFOSABI_SYSV ELFOSABI_NONE /* symbol used in old spec */
+#define ELFOSABI_MONTEREY ELFOSABI_AIX /* Monterey */
+
+/* e_ident */
+#define IS_ELF(ehdr) ((ehdr).e_ident[EI_MAG0] == ELFMAG0 && \
+ (ehdr).e_ident[EI_MAG1] == ELFMAG1 && \
+ (ehdr).e_ident[EI_MAG2] == ELFMAG2 && \
+ (ehdr).e_ident[EI_MAG3] == ELFMAG3)
+
+/* Values for e_type. */
+#define ET_NONE 0 /* Unknown type. */
+#define ET_REL 1 /* Relocatable. */
+#define ET_EXEC 2 /* Executable. */
+#define ET_DYN 3 /* Shared object. */
+#define ET_CORE 4 /* Core file. */
+#define ET_LOOS 0xfe00 /* First operating system specific. */
+#define ET_HIOS 0xfeff /* Last operating system-specific. */
+#define ET_LOPROC 0xff00 /* First processor-specific. */
+#define ET_HIPROC 0xffff /* Last processor-specific. */
+
+/* Values for e_machine. */
+#define EM_NONE 0 /* Unknown machine. */
+#define EM_M32 1 /* AT&T WE32100. */
+#define EM_SPARC 2 /* Sun SPARC. */
+#define EM_386 3 /* Intel i386. */
+#define EM_68K 4 /* Motorola 68000. */
+#define EM_88K 5 /* Motorola 88000. */
+#define EM_860 7 /* Intel i860. */
+#define EM_MIPS 8 /* MIPS R3000 Big-Endian only. */
+#define EM_S370 9 /* IBM System/370. */
+#define EM_MIPS_RS3_LE 10 /* MIPS R3000 Little-Endian. */
+#define EM_PARISC 15 /* HP PA-RISC. */
+#define EM_VPP500 17 /* Fujitsu VPP500. */
+#define EM_SPARC32PLUS 18 /* SPARC v8plus. */
+#define EM_960 19 /* Intel 80960. */
+#define EM_PPC 20 /* PowerPC 32-bit. */
+#define EM_PPC64 21 /* PowerPC 64-bit. */
+#define EM_S390 22 /* IBM System/390. */
+#define EM_V800 36 /* NEC V800. */
+#define EM_FR20 37 /* Fujitsu FR20. */
+#define EM_RH32 38 /* TRW RH-32. */
+#define EM_RCE 39 /* Motorola RCE. */
+#define EM_ARM 40 /* ARM. */
+#define EM_SH 42 /* Hitachi SH. */
+#define EM_SPARCV9 43 /* SPARC v9 64-bit. */
+#define EM_TRICORE 44 /* Siemens TriCore embedded processor. */
+#define EM_ARC 45 /* Argonaut RISC Core. */
+#define EM_H8_300 46 /* Hitachi H8/300. */
+#define EM_H8_300H 47 /* Hitachi H8/300H. */
+#define EM_H8S 48 /* Hitachi H8S. */
+#define EM_H8_500 49 /* Hitachi H8/500. */
+#define EM_IA_64 50 /* Intel IA-64 Processor. */
+#define EM_MIPS_X 51 /* Stanford MIPS-X. */
+#define EM_COLDFIRE 52 /* Motorola ColdFire. */
+#define EM_68HC12 53 /* Motorola M68HC12. */
+#define EM_MMA 54 /* Fujitsu MMA. */
+#define EM_PCP 55 /* Siemens PCP. */
+#define EM_NCPU 56 /* Sony nCPU. */
+#define EM_NDR1 57 /* Denso NDR1 microprocessor. */
+#define EM_STARCORE 58 /* Motorola Star*Core processor. */
+#define EM_ME16 59 /* Toyota ME16 processor. */
+#define EM_ST100 60 /* STMicroelectronics ST100 processor. */
+#define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ processor. */
+#define EM_X86_64 62 /* Advanced Micro Devices x86-64 */
+#define EM_AMD64 EM_X86_64 /* Advanced Micro Devices x86-64 (compat) */
+
+/* Non-standard or deprecated. */
+#define EM_486 6 /* Intel i486. */
+#define EM_MIPS_RS4_BE 10 /* MIPS R4000 Big-Endian */
+#define EM_ALPHA_STD 41 /* Digital Alpha (standard value). */
+#define EM_ALPHA 0x9026 /* Alpha (written in the absence of an ABI) */
+
+/* Special section indexes. */
+#define SHN_UNDEF 0 /* Undefined, missing, irrelevant. */
+#define SHN_LORESERVE 0xff00 /* First of reserved range. */
+#define SHN_LOPROC 0xff00 /* First processor-specific. */
+#define SHN_HIPROC 0xff1f /* Last processor-specific. */
+#define SHN_LOOS 0xff20 /* First operating system-specific. */
+#define SHN_HIOS 0xff3f /* Last operating system-specific. */
+#define SHN_ABS 0xfff1 /* Absolute values. */
+#define SHN_COMMON 0xfff2 /* Common data. */
+#define SHN_XINDEX 0xffff /* Escape -- index stored elsewhere. */
+#define SHN_HIRESERVE 0xffff /* Last of reserved range. */
+
+/* sh_type */
+#define SHT_NULL 0 /* inactive */
+#define SHT_PROGBITS 1 /* program defined information */
+#define SHT_SYMTAB 2 /* symbol table section */
+#define SHT_STRTAB 3 /* string table section */
+#define SHT_RELA 4 /* relocation section with addends */
+#define SHT_HASH 5 /* symbol hash table section */
+#define SHT_DYNAMIC 6 /* dynamic section */
+#define SHT_NOTE 7 /* note section */
+#define SHT_NOBITS 8 /* no space section */
+#define SHT_REL 9 /* relocation section - no addends */
+#define SHT_SHLIB 10 /* reserved - purpose unknown */
+#define SHT_DYNSYM 11 /* dynamic symbol table section */
+#define SHT_INIT_ARRAY 14 /* Initialization function pointers. */
+#define SHT_FINI_ARRAY 15 /* Termination function pointers. */
+#define SHT_PREINIT_ARRAY 16 /* Pre-initialization function ptrs. */
+#define SHT_GROUP 17 /* Section group. */
+#define SHT_SYMTAB_SHNDX 18 /* Section indexes (see SHN_XINDEX). */
+#define SHT_LOOS 0x60000000 /* First of OS specific semantics */
+#define SHT_LOSUNW 0x6ffffff4
+#define SHT_SUNW_dof 0x6ffffff4
+#define SHT_SUNW_cap 0x6ffffff5
+#define SHT_SUNW_SIGNATURE 0x6ffffff6
+#define SHT_SUNW_ANNOTATE 0x6ffffff7
+#define SHT_SUNW_DEBUGSTR 0x6ffffff8
+#define SHT_SUNW_DEBUG 0x6ffffff9
+#define SHT_SUNW_move 0x6ffffffa
+#define SHT_SUNW_COMDAT 0x6ffffffb
+#define SHT_SUNW_syminfo 0x6ffffffc
+#define SHT_SUNW_verdef 0x6ffffffd
+#define SHT_GNU_verdef 0x6ffffffd /* Symbol versions provided */
+#define SHT_SUNW_verneed 0x6ffffffe
+#define SHT_GNU_verneed 0x6ffffffe /* Symbol versions required */
+#define SHT_SUNW_versym 0x6fffffff
+#define SHT_GNU_versym 0x6fffffff /* Symbol version table */
+#define SHT_HISUNW 0x6fffffff
+#define SHT_HIOS 0x6fffffff /* Last of OS specific semantics */
+#define SHT_LOPROC 0x70000000 /* reserved range for processor */
+#define SHT_AMD64_UNWIND 0x70000001 /* unwind information */
+#define SHT_HIPROC 0x7fffffff /* specific section header types */
+#define SHT_LOUSER 0x80000000 /* reserved range for application */
+#define SHT_HIUSER 0xffffffff /* specific indexes */
+
+/* Flags for sh_flags. */
+#define SHF_WRITE 0x1 /* Section contains writable data. */
+#define SHF_ALLOC 0x2 /* Section occupies memory. */
+#define SHF_EXECINSTR 0x4 /* Section contains instructions. */
+#define SHF_MERGE 0x10 /* Section may be merged. */
+#define SHF_STRINGS 0x20 /* Section contains strings. */
+#define SHF_INFO_LINK 0x40 /* sh_info holds section index. */
+#define SHF_LINK_ORDER 0x80 /* Special ordering requirements. */
+#define SHF_OS_NONCONFORMING 0x100 /* OS-specific processing required. */
+#define SHF_GROUP 0x200 /* Member of section group. */
+#define SHF_TLS 0x400 /* Section contains TLS data. */
+#define SHF_MASKOS 0x0ff00000 /* OS-specific semantics. */
+#define SHF_MASKPROC 0xf0000000 /* Processor-specific semantics. */
+
+/* Values for p_type. */
+#define PT_NULL 0 /* Unused entry. */
+#define PT_LOAD 1 /* Loadable segment. */
+#define PT_DYNAMIC 2 /* Dynamic linking information segment. */
+#define PT_INTERP 3 /* Pathname of interpreter. */
+#define PT_NOTE 4 /* Auxiliary information. */
+#define PT_SHLIB 5 /* Reserved (not used). */
+#define PT_PHDR 6 /* Location of program header itself. */
+#define PT_TLS 7 /* Thread local storage segment */
+#define PT_LOOS 0x60000000 /* First OS-specific. */
+#define PT_SUNW_UNWIND 0x6464e550 /* amd64 UNWIND program header */
+#define PT_GNU_EH_FRAME 0x6474e550
+#define PT_LOSUNW 0x6ffffffa
+#define PT_SUNWBSS 0x6ffffffa /* Sun Specific segment */
+#define PT_SUNWSTACK 0x6ffffffb /* describes the stack segment */
+#define PT_SUNWDTRACE 0x6ffffffc /* private */
+#define PT_SUNWCAP 0x6ffffffd /* hard/soft capabilities segment */
+#define PT_HISUNW 0x6fffffff
+#define PT_HIOS 0x6fffffff /* Last OS-specific. */
+#define PT_LOPROC 0x70000000 /* First processor-specific type. */
+#define PT_HIPROC 0x7fffffff /* Last processor-specific type. */
+
+/* Values for p_flags. */
+#define PF_X 0x1 /* Executable. */
+#define PF_W 0x2 /* Writable. */
+#define PF_R 0x4 /* Readable. */
+#define PF_MASKOS 0x0ff00000 /* Operating system-specific. */
+#define PF_MASKPROC 0xf0000000 /* Processor-specific. */
+
+/* Extended program header index. */
+#define PN_XNUM 0xffff
+
+/* Values for d_tag. */
+#define DT_NULL 0 /* Terminating entry. */
+#define DT_NEEDED 1 /* String table offset of a needed shared
+ library. */
+#define DT_PLTRELSZ 2 /* Total size in bytes of PLT relocations. */
+#define DT_PLTGOT 3 /* Processor-dependent address. */
+#define DT_HASH 4 /* Address of symbol hash table. */
+#define DT_STRTAB 5 /* Address of string table. */
+#define DT_SYMTAB 6 /* Address of symbol table. */
+#define DT_RELA 7 /* Address of ElfNN_Rela relocations. */
+#define DT_RELASZ 8 /* Total size of ElfNN_Rela relocations. */
+#define DT_RELAENT 9 /* Size of each ElfNN_Rela relocation entry. */
+#define DT_STRSZ 10 /* Size of string table. */
+#define DT_SYMENT 11 /* Size of each symbol table entry. */
+#define DT_INIT 12 /* Address of initialization function. */
+#define DT_FINI 13 /* Address of finalization function. */
+#define DT_SONAME 14 /* String table offset of shared object
+ name. */
+#define DT_RPATH 15 /* String table offset of library path. [sup] */
+#define DT_SYMBOLIC 16 /* Indicates "symbolic" linking. [sup] */
+#define DT_REL 17 /* Address of ElfNN_Rel relocations. */
+#define DT_RELSZ 18 /* Total size of ElfNN_Rel relocations. */
+#define DT_RELENT 19 /* Size of each ElfNN_Rel relocation. */
+#define DT_PLTREL 20 /* Type of relocation used for PLT. */
+#define DT_DEBUG 21 /* Reserved (not used). */
+#define DT_TEXTREL 22 /* Indicates there may be relocations in
+ non-writable segments. [sup] */
+#define DT_JMPREL 23 /* Address of PLT relocations. */
+#define DT_BIND_NOW 24 /* [sup] */
+#define DT_INIT_ARRAY 25 /* Address of the array of pointers to
+ initialization functions */
+#define DT_FINI_ARRAY 26 /* Address of the array of pointers to
+ termination functions */
+#define DT_INIT_ARRAYSZ 27 /* Size in bytes of the array of
+ initialization functions. */
+#define DT_FINI_ARRAYSZ 28 /* Size in bytes of the array of
+ terminationfunctions. */
+#define DT_RUNPATH 29 /* String table offset of a null-terminated
+ library search path string. */
+#define DT_FLAGS 30 /* Object specific flag values. */
+#define DT_ENCODING 32 /* Values greater than or equal to DT_ENCODING
+ and less than DT_LOOS follow the rules for
+ the interpretation of the d_un union
+ as follows: even == 'd_ptr', even == 'd_val'
+ or none */
+#define DT_PREINIT_ARRAY 32 /* Address of the array of pointers to
+ pre-initialization functions. */
+#define DT_PREINIT_ARRAYSZ 33 /* Size in bytes of the array of
+ pre-initialization functions. */
+#define DT_MAXPOSTAGS 34 /* number of positive tags */
+#define DT_LOOS 0x6000000d /* First OS-specific */
+#define DT_SUNW_AUXILIARY 0x6000000d /* symbol auxiliary name */
+#define DT_SUNW_RTLDINF 0x6000000e /* ld.so.1 info (private) */
+#define DT_SUNW_FILTER 0x6000000f /* symbol filter name */
+#define DT_SUNW_CAP 0x60000010 /* hardware/software */
+#define DT_HIOS 0x6ffff000 /* Last OS-specific */
+
+/*
+ * DT_* entries which fall between DT_VALRNGHI & DT_VALRNGLO use the
+ * Dyn.d_un.d_val field of the Elf*_Dyn structure.
+ */
+#define DT_VALRNGLO 0x6ffffd00
+#define DT_CHECKSUM 0x6ffffdf8 /* elf checksum */
+#define DT_PLTPADSZ 0x6ffffdf9 /* pltpadding size */
+#define DT_MOVEENT 0x6ffffdfa /* move table entry size */
+#define DT_MOVESZ 0x6ffffdfb /* move table size */
+#define DT_FEATURE_1 0x6ffffdfc /* feature holder */
+#define DT_POSFLAG_1 0x6ffffdfd /* flags for DT_* entries, effecting */
+ /* the following DT_* entry. */
+ /* See DF_P1_* definitions */
+#define DT_SYMINSZ 0x6ffffdfe /* syminfo table size (in bytes) */
+#define DT_SYMINENT 0x6ffffdff /* syminfo entry size (in bytes) */
+#define DT_VALRNGHI 0x6ffffdff
+
+/*
+ * DT_* entries which fall between DT_ADDRRNGHI & DT_ADDRRNGLO use the
+ * Dyn.d_un.d_ptr field of the Elf*_Dyn structure.
+ *
+ * If any adjustment is made to the ELF object after it has been
+ * built, these entries will need to be adjusted.
+ */
+#define DT_ADDRRNGLO 0x6ffffe00
+#define DT_CONFIG 0x6ffffefa /* configuration information */
+#define DT_DEPAUDIT 0x6ffffefb /* dependency auditing */
+#define DT_AUDIT 0x6ffffefc /* object auditing */
+#define DT_PLTPAD 0x6ffffefd /* pltpadding (sparcv9) */
+#define DT_MOVETAB 0x6ffffefe /* move table */
+#define DT_SYMINFO 0x6ffffeff /* syminfo table */
+#define DT_ADDRRNGHI 0x6ffffeff
+
+#define DT_VERSYM 0x6ffffff0 /* Address of versym section. */
+#define DT_RELACOUNT 0x6ffffff9 /* number of RELATIVE relocations */
+#define DT_RELCOUNT 0x6ffffffa /* number of RELATIVE relocations */
+#define DT_FLAGS_1 0x6ffffffb /* state flags - see DF_1_* defs */
+#define DT_VERDEF 0x6ffffffc /* Address of verdef section. */
+#define DT_VERDEFNUM 0x6ffffffd /* Number of elems in verdef section */
+#define DT_VERNEED 0x6ffffffe /* Address of verneed section. */
+#define DT_VERNEEDNUM 0x6fffffff /* Number of elems in verneed section */
+
+#define DT_LOPROC 0x70000000 /* First processor-specific type. */
+#define DT_DEPRECATED_SPARC_REGISTER 0x7000001
+#define DT_AUXILIARY 0x7ffffffd /* shared library auxiliary name */
+#define DT_USED 0x7ffffffe /* ignored - same as needed */
+#define DT_FILTER 0x7fffffff /* shared library filter name */
+#define DT_HIPROC 0x7fffffff /* Last processor-specific type. */
+
+/* Values for DT_FLAGS */
+#define DF_ORIGIN 0x0001 /* Indicates that the object being loaded may
+ make reference to the $ORIGIN substitution
+ string */
+#define DF_SYMBOLIC 0x0002 /* Indicates "symbolic" linking. */
+#define DF_TEXTREL 0x0004 /* Indicates there may be relocations in
+ non-writable segments. */
+#define DF_BIND_NOW 0x0008 /* Indicates that the dynamic linker should
+ process all relocations for the object
+ containing this entry before transferring
+ control to the program. */
+#define DF_STATIC_TLS 0x0010 /* Indicates that the shared object or
+ executable contains code using a static
+ thread-local storage scheme. */
+
+/* Values for n_type. Used in core files. */
+#define NT_PRSTATUS 1 /* Process status. */
+#define NT_FPREGSET 2 /* Floating point registers. */
+#define NT_PRPSINFO 3 /* Process state info. */
+
+/* Symbol Binding - ELFNN_ST_BIND - st_info */
+#define STB_LOCAL 0 /* Local symbol */
+#define STB_GLOBAL 1 /* Global symbol */
+#define STB_WEAK 2 /* like global - lower precedence */
+#define STB_LOOS 10 /* Reserved range for operating system */
+#define STB_HIOS 12 /* specific semantics. */
+#define STB_LOPROC 13 /* reserved range for processor */
+#define STB_HIPROC 15 /* specific semantics. */
+
+/* Symbol type - ELFNN_ST_TYPE - st_info */
+#define STT_NOTYPE 0 /* Unspecified type. */
+#define STT_OBJECT 1 /* Data object. */
+#define STT_FUNC 2 /* Function. */
+#define STT_SECTION 3 /* Section. */
+#define STT_FILE 4 /* Source file. */
+#define STT_COMMON 5 /* Uninitialized common block. */
+#define STT_TLS 6 /* TLS object. */
+#define STT_NUM 7
+#define STT_LOOS 10 /* Reserved range for operating system */
+#define STT_HIOS 12 /* specific semantics. */
+#define STT_LOPROC 13 /* reserved range for processor */
+#define STT_HIPROC 15 /* specific semantics. */
+
+/* Symbol visibility - ELFNN_ST_VISIBILITY - st_other */
+#define STV_DEFAULT 0x0 /* Default visibility (see binding). */
+#define STV_INTERNAL 0x1 /* Special meaning in relocatable objects. */
+#define STV_HIDDEN 0x2 /* Not visible. */
+#define STV_PROTECTED 0x3 /* Visible but not preemptible. */
+#define STV_EXPORTED 0x4
+#define STV_SINGLETON 0x5
+#define STV_ELIMINATE 0x6
+
+/* Special symbol table indexes. */
+#define STN_UNDEF 0 /* Undefined symbol index. */
+
+/* Symbol versioning flags. */
+#define VER_DEF_CURRENT 1
+#define VER_DEF_IDX(x) VER_NDX(x)
+
+#define VER_FLG_BASE 0x01
+#define VER_FLG_WEAK 0x02
+
+#define VER_NEED_CURRENT 1
+#define VER_NEED_WEAK (1u << 15)
+#define VER_NEED_HIDDEN VER_NDX_HIDDEN
+#define VER_NEED_IDX(x) VER_NDX(x)
+
+#define VER_NDX_LOCAL 0
+#define VER_NDX_GLOBAL 1
+#define VER_NDX_GIVEN 2
+
+#define VER_NDX_HIDDEN (1u << 15)
+#define VER_NDX(x) ((x) & ~(1u << 15))
+
+#define CA_SUNW_NULL 0
+#define CA_SUNW_HW_1 1 /* first hardware capabilities entry */
+#define CA_SUNW_SF_1 2 /* first software capabilities entry */
+
+/*
+ * Syminfo flag values
+ */
+#define SYMINFO_FLG_DIRECT 0x0001 /* symbol ref has direct association */
+ /* to object containing defn. */
+#define SYMINFO_FLG_PASSTHRU 0x0002 /* ignored - see SYMINFO_FLG_FILTER */
+#define SYMINFO_FLG_COPY 0x0004 /* symbol is a copy-reloc */
+#define SYMINFO_FLG_LAZYLOAD 0x0008 /* object containing defn should be */
+ /* lazily-loaded */
+#define SYMINFO_FLG_DIRECTBIND 0x0010 /* ref should be bound directly to */
+ /* object containing defn. */
+#define SYMINFO_FLG_NOEXTDIRECT 0x0020 /* don't let an external reference */
+ /* directly bind to this symbol */
+#define SYMINFO_FLG_FILTER 0x0002 /* symbol ref is associated to a */
+#define SYMINFO_FLG_AUXILIARY 0x0040 /* standard or auxiliary filter */
+
+/*
+ * Syminfo.si_boundto values.
+ */
+#define SYMINFO_BT_SELF 0xffff /* symbol bound to self */
+#define SYMINFO_BT_PARENT 0xfffe /* symbol bound to parent */
+#define SYMINFO_BT_NONE 0xfffd /* no special symbol binding */
+#define SYMINFO_BT_EXTERN 0xfffc /* symbol defined as external */
+#define SYMINFO_BT_LOWRESERVE 0xff00 /* beginning of reserved entries */
+
+/*
+ * Syminfo version values.
+ */
+#define SYMINFO_NONE 0 /* Syminfo version */
+#define SYMINFO_CURRENT 1
+#define SYMINFO_NUM 2
+
+/*
+ * Relocation types.
+ *
+ * All machine architectures are defined here to allow tools on one to
+ * handle others.
+ */
+
+#define R_386_NONE 0 /* No relocation. */
+#define R_386_32 1 /* Add symbol value. */
+#define R_386_PC32 2 /* Add PC-relative symbol value. */
+#define R_386_GOT32 3 /* Add PC-relative GOT offset. */
+#define R_386_PLT32 4 /* Add PC-relative PLT offset. */
+#define R_386_COPY 5 /* Copy data from shared object. */
+#define R_386_GLOB_DAT 6 /* Set GOT entry to data address. */
+#define R_386_JMP_SLOT 7 /* Set GOT entry to code address. */
+#define R_386_RELATIVE 8 /* Add load address of shared object. */
+#define R_386_GOTOFF 9 /* Add GOT-relative symbol address. */
+#define R_386_GOTPC 10 /* Add PC-relative GOT table address. */
+#define R_386_TLS_TPOFF 14 /* Negative offset in static TLS block */
+#define R_386_TLS_IE 15 /* Absolute address of GOT for -ve static TLS */
+#define R_386_TLS_GOTIE 16 /* GOT entry for negative static TLS block */
+#define R_386_TLS_LE 17 /* Negative offset relative to static TLS */
+#define R_386_TLS_GD 18 /* 32 bit offset to GOT (index,off) pair */
+#define R_386_TLS_LDM 19 /* 32 bit offset to GOT (index,zero) pair */
+#define R_386_TLS_GD_32 24 /* 32 bit offset to GOT (index,off) pair */
+#define R_386_TLS_GD_PUSH 25 /* pushl instruction for Sun ABI GD sequence */
+#define R_386_TLS_GD_CALL 26 /* call instruction for Sun ABI GD sequence */
+#define R_386_TLS_GD_POP 27 /* popl instruction for Sun ABI GD sequence */
+#define R_386_TLS_LDM_32 28 /* 32 bit offset to GOT (index,zero) pair */
+#define R_386_TLS_LDM_PUSH 29 /* pushl instruction for Sun ABI LD sequence */
+#define R_386_TLS_LDM_CALL 30 /* call instruction for Sun ABI LD sequence */
+#define R_386_TLS_LDM_POP 31 /* popl instruction for Sun ABI LD sequence */
+#define R_386_TLS_LDO_32 32 /* 32 bit offset from start of TLS block */
+#define R_386_TLS_IE_32 33 /* 32 bit offset to GOT static TLS offset entry */
+#define R_386_TLS_LE_32 34 /* 32 bit offset within static TLS block */
+#define R_386_TLS_DTPMOD32 35 /* GOT entry containing TLS index */
+#define R_386_TLS_DTPOFF32 36 /* GOT entry containing TLS offset */
+#define R_386_TLS_TPOFF32 37 /* GOT entry of -ve static TLS offset */
+
+#define R_ARM_NONE 0 /* No relocation. */
+#define R_ARM_PC24 1
+#define R_ARM_ABS32 2
+#define R_ARM_REL32 3
+#define R_ARM_PC13 4
+#define R_ARM_ABS16 5
+#define R_ARM_ABS12 6
+#define R_ARM_THM_ABS5 7
+#define R_ARM_ABS8 8
+#define R_ARM_SBREL32 9
+#define R_ARM_THM_PC22 10
+#define R_ARM_THM_PC8 11
+#define R_ARM_AMP_VCALL9 12
+#define R_ARM_SWI24 13
+#define R_ARM_THM_SWI8 14
+#define R_ARM_XPC25 15
+#define R_ARM_THM_XPC22 16
+#define R_ARM_COPY 20 /* Copy data from shared object. */
+#define R_ARM_GLOB_DAT 21 /* Set GOT entry to data address. */
+#define R_ARM_JUMP_SLOT 22 /* Set GOT entry to code address. */
+#define R_ARM_RELATIVE 23 /* Add load address of shared object. */
+#define R_ARM_GOTOFF 24 /* Add GOT-relative symbol address. */
+#define R_ARM_GOTPC 25 /* Add PC-relative GOT table address. */
+#define R_ARM_GOT32 26 /* Add PC-relative GOT offset. */
+#define R_ARM_PLT32 27 /* Add PC-relative PLT offset. */
+#define R_ARM_GNU_VTENTRY 100
+#define R_ARM_GNU_VTINHERIT 101
+#define R_ARM_RSBREL32 250
+#define R_ARM_THM_RPC22 251
+#define R_ARM_RREL32 252
+#define R_ARM_RABS32 253
+#define R_ARM_RPC24 254
+#define R_ARM_RBASE 255
+
+/* Name Value Field Calculation */
+#define R_IA_64_NONE 0 /* None */
+#define R_IA_64_IMM14 0x21 /* immediate14 S + A */
+#define R_IA_64_IMM22 0x22 /* immediate22 S + A */
+#define R_IA_64_IMM64 0x23 /* immediate64 S + A */
+#define R_IA_64_DIR32MSB 0x24 /* word32 MSB S + A */
+#define R_IA_64_DIR32LSB 0x25 /* word32 LSB S + A */
+#define R_IA_64_DIR64MSB 0x26 /* word64 MSB S + A */
+#define R_IA_64_DIR64LSB 0x27 /* word64 LSB S + A */
+#define R_IA_64_GPREL22 0x2a /* immediate22 @gprel(S + A) */
+#define R_IA_64_GPREL64I 0x2b /* immediate64 @gprel(S + A) */
+#define R_IA_64_GPREL32MSB 0x2c /* word32 MSB @gprel(S + A) */
+#define R_IA_64_GPREL32LSB 0x2d /* word32 LSB @gprel(S + A) */
+#define R_IA_64_GPREL64MSB 0x2e /* word64 MSB @gprel(S + A) */
+#define R_IA_64_GPREL64LSB 0x2f /* word64 LSB @gprel(S + A) */
+#define R_IA_64_LTOFF22 0x32 /* immediate22 @ltoff(S + A) */
+#define R_IA_64_LTOFF64I 0x33 /* immediate64 @ltoff(S + A) */
+#define R_IA_64_PLTOFF22 0x3a /* immediate22 @pltoff(S + A) */
+#define R_IA_64_PLTOFF64I 0x3b /* immediate64 @pltoff(S + A) */
+#define R_IA_64_PLTOFF64MSB 0x3e /* word64 MSB @pltoff(S + A) */
+#define R_IA_64_PLTOFF64LSB 0x3f /* word64 LSB @pltoff(S + A) */
+#define R_IA_64_FPTR64I 0x43 /* immediate64 @fptr(S + A) */
+#define R_IA_64_FPTR32MSB 0x44 /* word32 MSB @fptr(S + A) */
+#define R_IA_64_FPTR32LSB 0x45 /* word32 LSB @fptr(S + A) */
+#define R_IA_64_FPTR64MSB 0x46 /* word64 MSB @fptr(S + A) */
+#define R_IA_64_FPTR64LSB 0x47 /* word64 LSB @fptr(S + A) */
+#define R_IA_64_PCREL60B 0x48 /* immediate60 form1 S + A - P */
+#define R_IA_64_PCREL21B 0x49 /* immediate21 form1 S + A - P */
+#define R_IA_64_PCREL21M 0x4a /* immediate21 form2 S + A - P */
+#define R_IA_64_PCREL21F 0x4b /* immediate21 form3 S + A - P */
+#define R_IA_64_PCREL32MSB 0x4c /* word32 MSB S + A - P */
+#define R_IA_64_PCREL32LSB 0x4d /* word32 LSB S + A - P */
+#define R_IA_64_PCREL64MSB 0x4e /* word64 MSB S + A - P */
+#define R_IA_64_PCREL64LSB 0x4f /* word64 LSB S + A - P */
+#define R_IA_64_LTOFF_FPTR22 0x52 /* immediate22 @ltoff(@fptr(S + A)) */
+#define R_IA_64_LTOFF_FPTR64I 0x53 /* immediate64 @ltoff(@fptr(S + A)) */
+#define R_IA_64_LTOFF_FPTR32MSB 0x54 /* word32 MSB @ltoff(@fptr(S + A)) */
+#define R_IA_64_LTOFF_FPTR32LSB 0x55 /* word32 LSB @ltoff(@fptr(S + A)) */
+#define R_IA_64_LTOFF_FPTR64MSB 0x56 /* word64 MSB @ltoff(@fptr(S + A)) */
+#define R_IA_64_LTOFF_FPTR64LSB 0x57 /* word64 LSB @ltoff(@fptr(S + A)) */
+#define R_IA_64_SEGREL32MSB 0x5c /* word32 MSB @segrel(S + A) */
+#define R_IA_64_SEGREL32LSB 0x5d /* word32 LSB @segrel(S + A) */
+#define R_IA_64_SEGREL64MSB 0x5e /* word64 MSB @segrel(S + A) */
+#define R_IA_64_SEGREL64LSB 0x5f /* word64 LSB @segrel(S + A) */
+#define R_IA_64_SECREL32MSB 0x64 /* word32 MSB @secrel(S + A) */
+#define R_IA_64_SECREL32LSB 0x65 /* word32 LSB @secrel(S + A) */
+#define R_IA_64_SECREL64MSB 0x66 /* word64 MSB @secrel(S + A) */
+#define R_IA_64_SECREL64LSB 0x67 /* word64 LSB @secrel(S + A) */
+#define R_IA_64_REL32MSB 0x6c /* word32 MSB BD + A */
+#define R_IA_64_REL32LSB 0x6d /* word32 LSB BD + A */
+#define R_IA_64_REL64MSB 0x6e /* word64 MSB BD + A */
+#define R_IA_64_REL64LSB 0x6f /* word64 LSB BD + A */
+#define R_IA_64_LTV32MSB 0x74 /* word32 MSB S + A */
+#define R_IA_64_LTV32LSB 0x75 /* word32 LSB S + A */
+#define R_IA_64_LTV64MSB 0x76 /* word64 MSB S + A */
+#define R_IA_64_LTV64LSB 0x77 /* word64 LSB S + A */
+#define R_IA_64_PCREL21BI 0x79 /* immediate21 form1 S + A - P */
+#define R_IA_64_PCREL22 0x7a /* immediate22 S + A - P */
+#define R_IA_64_PCREL64I 0x7b /* immediate64 S + A - P */
+#define R_IA_64_IPLTMSB 0x80 /* function descriptor MSB special */
+#define R_IA_64_IPLTLSB 0x81 /* function descriptor LSB speciaal */
+#define R_IA_64_SUB 0x85 /* immediate64 A - S */
+#define R_IA_64_LTOFF22X 0x86 /* immediate22 special */
+#define R_IA_64_LDXMOV 0x87 /* immediate22 special */
+#define R_IA_64_TPREL14 0x91 /* imm14 @tprel(S + A) */
+#define R_IA_64_TPREL22 0x92 /* imm22 @tprel(S + A) */
+#define R_IA_64_TPREL64I 0x93 /* imm64 @tprel(S + A) */
+#define R_IA_64_TPREL64MSB 0x96 /* word64 MSB @tprel(S + A) */
+#define R_IA_64_TPREL64LSB 0x97 /* word64 LSB @tprel(S + A) */
+#define R_IA_64_LTOFF_TPREL22 0x9a /* imm22 @ltoff(@tprel(S+A)) */
+#define R_IA_64_DTPMOD64MSB 0xa6 /* word64 MSB @dtpmod(S + A) */
+#define R_IA_64_DTPMOD64LSB 0xa7 /* word64 LSB @dtpmod(S + A) */
+#define R_IA_64_LTOFF_DTPMOD22 0xaa /* imm22 @ltoff(@dtpmod(S+A)) */
+#define R_IA_64_DTPREL14 0xb1 /* imm14 @dtprel(S + A) */
+#define R_IA_64_DTPREL22 0xb2 /* imm22 @dtprel(S + A) */
+#define R_IA_64_DTPREL64I 0xb3 /* imm64 @dtprel(S + A) */
+#define R_IA_64_DTPREL32MSB 0xb4 /* word32 MSB @dtprel(S + A) */
+#define R_IA_64_DTPREL32LSB 0xb5 /* word32 LSB @dtprel(S + A) */
+#define R_IA_64_DTPREL64MSB 0xb6 /* word64 MSB @dtprel(S + A) */
+#define R_IA_64_DTPREL64LSB 0xb7 /* word64 LSB @dtprel(S + A) */
+#define R_IA_64_LTOFF_DTPREL22 0xba /* imm22 @ltoff(@dtprel(S+A)) */
+
+#define R_MIPS_NONE 0 /* No reloc */
+#define R_MIPS_16 1 /* Direct 16 bit */
+#define R_MIPS_32 2 /* Direct 32 bit */
+#define R_MIPS_REL32 3 /* PC relative 32 bit */
+#define R_MIPS_26 4 /* Direct 26 bit shifted */
+#define R_MIPS_HI16 5 /* High 16 bit */
+#define R_MIPS_LO16 6 /* Low 16 bit */
+#define R_MIPS_GPREL16 7 /* GP relative 16 bit */
+#define R_MIPS_LITERAL 8 /* 16 bit literal entry */
+#define R_MIPS_GOT16 9 /* 16 bit GOT entry */
+#define R_MIPS_PC16 10 /* PC relative 16 bit */
+#define R_MIPS_CALL16 11 /* 16 bit GOT entry for function */
+#define R_MIPS_GPREL32 12 /* GP relative 32 bit */
+#define R_MIPS_GOTHI16 21 /* GOT HI 16 bit */
+#define R_MIPS_GOTLO16 22 /* GOT LO 16 bit */
+#define R_MIPS_CALLHI16 30 /* upper 16 bit GOT entry for function */
+#define R_MIPS_CALLLO16 31 /* lower 16 bit GOT entry for function */
+
+#define R_PPC_NONE 0 /* No relocation. */
+#define R_PPC_ADDR32 1
+#define R_PPC_ADDR24 2
+#define R_PPC_ADDR16 3
+#define R_PPC_ADDR16_LO 4
+#define R_PPC_ADDR16_HI 5
+#define R_PPC_ADDR16_HA 6
+#define R_PPC_ADDR14 7
+#define R_PPC_ADDR14_BRTAKEN 8
+#define R_PPC_ADDR14_BRNTAKEN 9
+#define R_PPC_REL24 10
+#define R_PPC_REL14 11
+#define R_PPC_REL14_BRTAKEN 12
+#define R_PPC_REL14_BRNTAKEN 13
+#define R_PPC_GOT16 14
+#define R_PPC_GOT16_LO 15
+#define R_PPC_GOT16_HI 16
+#define R_PPC_GOT16_HA 17
+#define R_PPC_PLTREL24 18
+#define R_PPC_COPY 19
+#define R_PPC_GLOB_DAT 20
+#define R_PPC_JMP_SLOT 21
+#define R_PPC_RELATIVE 22
+#define R_PPC_LOCAL24PC 23
+#define R_PPC_UADDR32 24
+#define R_PPC_UADDR16 25
+#define R_PPC_REL32 26
+#define R_PPC_PLT32 27
+#define R_PPC_PLTREL32 28
+#define R_PPC_PLT16_LO 29
+#define R_PPC_PLT16_HI 30
+#define R_PPC_PLT16_HA 31
+#define R_PPC_SDAREL16 32
+#define R_PPC_SECTOFF 33
+#define R_PPC_SECTOFF_LO 34
+#define R_PPC_SECTOFF_HI 35
+#define R_PPC_SECTOFF_HA 36
+
+/*
+ * TLS relocations
+ */
+#define R_PPC_TLS 67
+#define R_PPC_DTPMOD32 68
+#define R_PPC_TPREL16 69
+#define R_PPC_TPREL16_LO 70
+#define R_PPC_TPREL16_HI 71
+#define R_PPC_TPREL16_HA 72
+#define R_PPC_TPREL32 73
+#define R_PPC_DTPREL16 74
+#define R_PPC_DTPREL16_LO 75
+#define R_PPC_DTPREL16_HI 76
+#define R_PPC_DTPREL16_HA 77
+#define R_PPC_DTPREL32 78
+#define R_PPC_GOT_TLSGD16 79
+#define R_PPC_GOT_TLSGD16_LO 80
+#define R_PPC_GOT_TLSGD16_HI 81
+#define R_PPC_GOT_TLSGD16_HA 82
+#define R_PPC_GOT_TLSLD16 83
+#define R_PPC_GOT_TLSLD16_LO 84
+#define R_PPC_GOT_TLSLD16_HI 85
+#define R_PPC_GOT_TLSLD16_HA 86
+#define R_PPC_GOT_TPREL16 87
+#define R_PPC_GOT_TPREL16_LO 88
+#define R_PPC_GOT_TPREL16_HI 89
+#define R_PPC_GOT_TPREL16_HA 90
+
+/*
+ * The remaining relocs are from the Embedded ELF ABI, and are not in the
+ * SVR4 ELF ABI.
+ */
+
+#define R_PPC_EMB_NADDR32 101
+#define R_PPC_EMB_NADDR16 102
+#define R_PPC_EMB_NADDR16_LO 103
+#define R_PPC_EMB_NADDR16_HI 104
+#define R_PPC_EMB_NADDR16_HA 105
+#define R_PPC_EMB_SDAI16 106
+#define R_PPC_EMB_SDA2I16 107
+#define R_PPC_EMB_SDA2REL 108
+#define R_PPC_EMB_SDA21 109
+#define R_PPC_EMB_MRKREF 110
+#define R_PPC_EMB_RELSEC16 111
+#define R_PPC_EMB_RELST_LO 112
+#define R_PPC_EMB_RELST_HI 113
+#define R_PPC_EMB_RELST_HA 114
+#define R_PPC_EMB_BIT_FLD 115
+#define R_PPC_EMB_RELSDA 116
+
+#define R_SPARC_NONE 0
+#define R_SPARC_8 1
+#define R_SPARC_16 2
+#define R_SPARC_32 3
+#define R_SPARC_DISP8 4
+#define R_SPARC_DISP16 5
+#define R_SPARC_DISP32 6
+#define R_SPARC_WDISP30 7
+#define R_SPARC_WDISP22 8
+#define R_SPARC_HI22 9
+#define R_SPARC_22 10
+#define R_SPARC_13 11
+#define R_SPARC_LO10 12
+#define R_SPARC_GOT10 13
+#define R_SPARC_GOT13 14
+#define R_SPARC_GOT22 15
+#define R_SPARC_PC10 16
+#define R_SPARC_PC22 17
+#define R_SPARC_WPLT30 18
+#define R_SPARC_COPY 19
+#define R_SPARC_GLOB_DAT 20
+#define R_SPARC_JMP_SLOT 21
+#define R_SPARC_RELATIVE 22
+#define R_SPARC_UA32 23
+#define R_SPARC_PLT32 24
+#define R_SPARC_HIPLT22 25
+#define R_SPARC_LOPLT10 26
+#define R_SPARC_PCPLT32 27
+#define R_SPARC_PCPLT22 28
+#define R_SPARC_PCPLT10 29
+#define R_SPARC_10 30
+#define R_SPARC_11 31
+#define R_SPARC_64 32
+#define R_SPARC_OLO10 33
+#define R_SPARC_HH22 34
+#define R_SPARC_HM10 35
+#define R_SPARC_LM22 36
+#define R_SPARC_PC_HH22 37
+#define R_SPARC_PC_HM10 38
+#define R_SPARC_PC_LM22 39
+#define R_SPARC_WDISP16 40
+#define R_SPARC_WDISP19 41
+#define R_SPARC_GLOB_JMP 42
+#define R_SPARC_7 43
+#define R_SPARC_5 44
+#define R_SPARC_6 45
+#define R_SPARC_DISP64 46
+#define R_SPARC_PLT64 47
+#define R_SPARC_HIX22 48
+#define R_SPARC_LOX10 49
+#define R_SPARC_H44 50
+#define R_SPARC_M44 51
+#define R_SPARC_L44 52
+#define R_SPARC_REGISTER 53
+#define R_SPARC_UA64 54
+#define R_SPARC_UA16 55
+#define R_SPARC_TLS_GD_HI22 56
+#define R_SPARC_TLS_GD_LO10 57
+#define R_SPARC_TLS_GD_ADD 58
+#define R_SPARC_TLS_GD_CALL 59
+#define R_SPARC_TLS_LDM_HI22 60
+#define R_SPARC_TLS_LDM_LO10 61
+#define R_SPARC_TLS_LDM_ADD 62
+#define R_SPARC_TLS_LDM_CALL 63
+#define R_SPARC_TLS_LDO_HIX22 64
+#define R_SPARC_TLS_LDO_LOX10 65
+#define R_SPARC_TLS_LDO_ADD 66
+#define R_SPARC_TLS_IE_HI22 67
+#define R_SPARC_TLS_IE_LO10 68
+#define R_SPARC_TLS_IE_LD 69
+#define R_SPARC_TLS_IE_LDX 70
+#define R_SPARC_TLS_IE_ADD 71
+#define R_SPARC_TLS_LE_HIX22 72
+#define R_SPARC_TLS_LE_LOX10 73
+#define R_SPARC_TLS_DTPMOD32 74
+#define R_SPARC_TLS_DTPMOD64 75
+#define R_SPARC_TLS_DTPOFF32 76
+#define R_SPARC_TLS_DTPOFF64 77
+#define R_SPARC_TLS_TPOFF32 78
+#define R_SPARC_TLS_TPOFF64 79
+
+#define R_X86_64_NONE 0 /* No relocation. */
+#define R_X86_64_64 1 /* Add 64 bit symbol value. */
+#define R_X86_64_PC32 2 /* PC-relative 32 bit signed sym value. */
+#define R_X86_64_GOT32 3 /* PC-relative 32 bit GOT offset. */
+#define R_X86_64_PLT32 4 /* PC-relative 32 bit PLT offset. */
+#define R_X86_64_COPY 5 /* Copy data from shared object. */
+#define R_X86_64_GLOB_DAT 6 /* Set GOT entry to data address. */
+#define R_X86_64_JMP_SLOT 7 /* Set GOT entry to code address. */
+#define R_X86_64_RELATIVE 8 /* Add load address of shared object. */
+#define R_X86_64_GOTPCREL 9 /* Add 32 bit signed pcrel offset to GOT. */
+#define R_X86_64_32 10 /* Add 32 bit zero extended symbol value */
+#define R_X86_64_32S 11 /* Add 32 bit sign extended symbol value */
+#define R_X86_64_16 12 /* Add 16 bit zero extended symbol value */
+#define R_X86_64_PC16 13 /* Add 16 bit signed extended pc relative symbol value */
+#define R_X86_64_8 14 /* Add 8 bit zero extended symbol value */
+#define R_X86_64_PC8 15 /* Add 8 bit signed extended pc relative symbol value */
+#define R_X86_64_DTPMOD64 16 /* ID of module containing symbol */
+#define R_X86_64_DTPOFF64 17 /* Offset in TLS block */
+#define R_X86_64_TPOFF64 18 /* Offset in static TLS block */
+#define R_X86_64_TLSGD 19 /* PC relative offset to GD GOT entry */
+#define R_X86_64_TLSLD 20 /* PC relative offset to LD GOT entry */
+#define R_X86_64_DTPOFF32 21 /* Offset in TLS block */
+#define R_X86_64_GOTTPOFF 22 /* PC relative offset to IE GOT entry */
+#define R_X86_64_TPOFF32 23 /* Offset in static TLS block */
+
+
+#endif /* !_SYS_ELF_COMMON_H_ */
View
9 basecode/410kern/elf/kernel.mk
@@ -0,0 +1,9 @@
+410K_ELF_OBJS := \
+ load_helper.o
+
+410K_ELF_OBJS := $(410K_ELF_OBJS:%=$(410KDIR)/elf/%)
+
+ALL_410KOBJS += $(410K_ELF_OBJS)
+410KCLEANS += $(410KDIR)/libelf.a
+
+$(410KDIR)/libelf.a: $(410K_ELF_OBJS)
View
243 basecode/410kern/elf/load_helper.c
@@ -0,0 +1,243 @@
+/**
+ * The 15-410 kernel project.
+ * @name 410loader.c
+ *
+ * Functions for the loading
+ * of user programs from binary
+ * files should be written in
+ * this file. The function
+ * elf_load_helper() is provided
+ * for your use.
+ */
+/*@{*/
+
+/* --- Includes --- */
+#include <elf/elf_410.h>
+#include <exec2obj.h>
+ /** FIXME: Should probably use something other than lprintf? */
+#include <simics.h>
+#include <stdio/stdio.h>
+#include <string/string.h>
+#include <malloc.h>
+
+
+/**
+ * Checks to see if file with name fname is an elf
+ * executable binary. If so, fills in se_hdr struct
+ * and returns ELF_SUCCESS. If not, returns ELF_NOTELF.
+ * Assumes that the magic numbers in the header have been
+ * verified.
+ *
+ * @param se_hdr pointer to simple_elf_t struct to be
+ * filled in. Memory for it has been
+ * allocated.
+ *
+ * @param fname name of file to use.
+ *
+ * @return ELF_SUCCESS if se_hdr was successfully filled in.
+ * ELF_NOTELF if the file is not the kind of binary
+ * we are using in 15-410.
+ */
+int
+elf_load_helper( simple_elf_t *se_hdr, const char *fname )
+{
+ Elf32_Ehdr elf_hdr; /* elf header */
+ Elf32_Shdr *elf_sec_hdrs; /* section headers */
+ char *shstrtab; /* sectcion header string table */
+ unsigned int ret; /* various return values */
+ unsigned int size; /* for holding size of various things */
+ unsigned int i; /* loop index */
+
+ memset(se_hdr, 0, sizeof(simple_elf_t));
+
+ /*
+ * Grab the elf header
+ */
+ ret = getbytes(fname, 0, sizeof( Elf32_Ehdr ), (char *)&elf_hdr);
+ if( ret != sizeof( Elf32_Ehdr ) ) {
+ lprintf( "Loader: Couldn't read elf header: %d, %s", ret, fname );
+ return ELF_NOTELF;
+ }
+
+ /*
+ * grab the entry point and file name.
+ */
+ se_hdr->e_entry = elf_hdr.e_entry;
+ se_hdr->e_fname = fname;
+
+ /*
+ * Sections that are probably in a simple ELF binary are
+ * with debugging symbols are:
+ * .symtab
+ * .strtab
+ * .shstrtab
+ * .text
+ * .rodata
+ * .data
+ * .bss
+ * .stab
+ * .stabstr
+ * .comment
+ * .note
+ */
+ /* This method of checking has been replaced with a more intelligent
+ method which actually attempts to recognize all of the sections
+
+ if( elf_hdr.e_shnum > 12 ) {
+ lprintf( "Loader: too many section headers" );
+ }
+ */
+
+ size = elf_hdr.e_shnum * sizeof( Elf32_Shdr );
+
+ /*
+ * Allocate memory for table;
+ */
+ elf_sec_hdrs = (Elf32_Shdr *)malloc( size );
+ if( !elf_sec_hdrs ) {
+ lprintf( "Loader: not enough mem for sec_hdr array" );
+ return ELF_NOTELF;
+ }
+
+ /*
+ * Grab array of section headers
+ */
+ ret = getbytes( fname, elf_hdr.e_shoff, size, (char *)elf_sec_hdrs );
+ if( ret != size ) {
+ lprintf( "Loader: could not read section headers" );
+ free( elf_sec_hdrs );
+ return ELF_NOTELF;
+ }
+
+ /*
+ * I want the section header string table first
+ * so I know what other entries are.
+ */
+ size = elf_sec_hdrs[elf_hdr.e_shstrndx].sh_size;
+ shstrtab = (char *)malloc( size );
+ if( !shstrtab ) {
+ lprintf( "Loader: not enought mem for sec hdr str tab" );
+ free( elf_sec_hdrs );
+ return ELF_NOTELF;
+ }
+
+ ret = getbytes( fname, elf_sec_hdrs[elf_hdr.e_shstrndx].sh_offset,
+ size, shstrtab );
+ if( ret != size ) {
+ lprintf( "Loader: could not read sec hdr str tab" );
+ free( shstrtab ); free( elf_sec_hdrs );
+ return ELF_NOTELF;
+ }
+
+ /*
+ * loop to find .text .rodata .data .bss section headers.
+ */
+ for( i = 0; i < elf_hdr.e_shnum; i++ ) {
+ unsigned int str_idx;
+
+ if( elf_sec_hdrs[i].sh_name == SHN_UNDEF ) {
+ continue;
+ }
+
+ str_idx = elf_sec_hdrs[i].sh_name;
+ if( strcmp( ".text", &(shstrtab[ str_idx ]) ) == 0 ) {
+ /*