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Alexander Esilevich
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| /* libunwind - a platform-independent unwind library | ||
| Copyright (C) 2003-2005 Hewlett-Packard Co | ||
| Contributed by David Mosberger-Tang <davidm@hpl.hp.com> | ||
| This file is part of libunwind. | ||
| Permission is hereby granted, free of charge, to any person obtaining | ||
| a copy of this software and associated documentation files (the | ||
| "Software"), to deal in the Software without restriction, including | ||
| without limitation the rights to use, copy, modify, merge, publish, | ||
| distribute, sublicense, and/or sell copies of the Software, and to | ||
| permit persons to whom the Software is furnished to do so, subject to | ||
| the following conditions: | ||
| The above copyright notice and this permission notice shall be | ||
| included in all copies or substantial portions of the Software. | ||
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | ||
| EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | ||
| MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | ||
| NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE | ||
| LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION | ||
| OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION | ||
| WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ | ||
|
|
||
| #ifndef UNW_REMOTE_ONLY | ||
|
|
||
| #include <limits.h> | ||
| #include <stdio.h> | ||
|
|
||
| #include "libunwind_i.h" | ||
| #include "os-linux.h" | ||
|
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||
| PROTECTED int | ||
| tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip, | ||
| unsigned long *segbase, unsigned long *mapoff, | ||
| char *path, size_t pathlen) | ||
| { | ||
| struct map_iterator mi; | ||
| int found = 0, rc; | ||
| unsigned long hi; | ||
|
|
||
| if (maps_init (&mi, pid) < 0) | ||
| return -1; | ||
|
|
||
| while (maps_next (&mi, segbase, &hi, mapoff)) | ||
| if (ip >= *segbase && ip < hi) | ||
| { | ||
| found = 1; | ||
| break; | ||
| } | ||
|
|
||
| if (!found) | ||
| { | ||
| maps_close (&mi); | ||
| return -1; | ||
| } | ||
| if (path) | ||
| { | ||
| strncpy(path, mi.path, pathlen); | ||
| } | ||
| rc = elf_map_image (ei, mi.path); | ||
| maps_close (&mi); | ||
| return rc; | ||
| } | ||
|
|
||
| #endif /* UNW_REMOTE_ONLY */ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,157 @@ | ||
| /* libunwind - a platform-independent unwind library | ||
| Copyright (C) 2002-2003 Hewlett-Packard Co | ||
| Contributed by David Mosberger-Tang <davidm@hpl.hp.com> | ||
| Modified for x86_64 by Max Asbock <masbock@us.ibm.com> | ||
| This file is part of libunwind. | ||
| Permission is hereby granted, free of charge, to any person obtaining | ||
| a copy of this software and associated documentation files (the | ||
| "Software"), to deal in the Software without restriction, including | ||
| without limitation the rights to use, copy, modify, merge, publish, | ||
| distribute, sublicense, and/or sell copies of the Software, and to | ||
| permit persons to whom the Software is furnished to do so, subject to | ||
| the following conditions: | ||
| The above copyright notice and this permission notice shall be | ||
| included in all copies or substantial portions of the Software. | ||
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | ||
| EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | ||
| MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | ||
| NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE | ||
| LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION | ||
| OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION | ||
| WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ | ||
|
|
||
| #include "unwind_i.h" | ||
| #include "ucontext_i.h" | ||
|
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| #include <sys/syscall.h> | ||
|
|
||
| #if 0 | ||
| HIDDEN void | ||
| tdep_fetch_frame (struct dwarf_cursor *dw, unw_word_t ip, int need_unwind_info) | ||
| { | ||
| struct cursor *c = (struct cursor *) dw; | ||
| assert(! need_unwind_info || dw->pi_valid); | ||
| assert(! need_unwind_info || dw->pi.unwind_info); | ||
| if (dw->pi_valid | ||
| && dw->pi.unwind_info | ||
| && ((struct dwarf_cie_info *) dw->pi.unwind_info)->signal_frame) | ||
| { | ||
| c->sigcontext_format = X86_64_SCF_LINUX_RT_SIGFRAME; | ||
| c->sigcontext_addr = dw->cfa; | ||
| } | ||
| else | ||
| { | ||
| c->sigcontext_format = X86_64_SCF_NONE; | ||
| c->sigcontext_addr = 0; | ||
| } | ||
|
|
||
| Debug(15, "fetch frame ip=0x%lx cfa=0x%lx format=%d addr=0x%lx\n", | ||
| dw->ip, dw->cfa, c->sigcontext_format, c->sigcontext_addr); | ||
| } | ||
|
|
||
| HIDDEN void | ||
| tdep_cache_frame (struct dwarf_cursor *dw, struct dwarf_reg_state *rs) | ||
| { | ||
| struct cursor *c = (struct cursor *) dw; | ||
| rs->signal_frame = c->sigcontext_format; | ||
|
|
||
| Debug(15, "cache frame ip=0x%lx cfa=0x%lx format=%d addr=0x%lx\n", | ||
| dw->ip, dw->cfa, c->sigcontext_format, c->sigcontext_addr); | ||
| } | ||
|
|
||
| HIDDEN void | ||
| tdep_reuse_frame (struct dwarf_cursor *dw, struct dwarf_reg_state *rs) | ||
| { | ||
| struct cursor *c = (struct cursor *) dw; | ||
| c->sigcontext_format = rs->signal_frame; | ||
| if (c->sigcontext_format == X86_64_SCF_LINUX_RT_SIGFRAME) | ||
| c->sigcontext_addr = dw->cfa; | ||
| else | ||
| c->sigcontext_addr = 0; | ||
|
|
||
| Debug(15, "reuse frame ip=0x%lx cfa=0x%lx format=%d addr=0x%lx\n", | ||
| dw->ip, dw->cfa, c->sigcontext_format, c->sigcontext_addr); | ||
| } | ||
| #endif | ||
|
|
||
| PROTECTED int | ||
| unw_is_signal_frame (unw_cursor_t *cursor) | ||
| { | ||
| struct cursor *c = (struct cursor *) cursor; | ||
| return c->sigcontext_format != X86_64_SCF_NONE; | ||
| } | ||
|
|
||
| PROTECTED int | ||
| unw_handle_signal_frame (unw_cursor_t *cursor) | ||
| { | ||
| #if UNW_DEBUG /* To silence compiler warnings */ | ||
| /* Should not get here because we now use kernel-provided dwarf | ||
| information for the signal trampoline and dwarf_step() works. | ||
| Hence dwarf_step() should never call this function. Maybe | ||
| restore old non-dwarf signal handling here, but then the | ||
| gating on unw_is_signal_frame() needs to be removed. */ | ||
| struct cursor *c = (struct cursor *) cursor; | ||
| Debug(1, "old format signal frame? format=%d addr=0x%lx cfa=0x%lx\n", | ||
| c->sigcontext_format, c->sigcontext_addr, c->dwarf.cfa); | ||
| assert(c->sigcontext_format == X86_64_SCF_LINUX_RT_SIGFRAME); | ||
| assert(c->sigcontext_addr == c->dwarf.cfa); | ||
| assert(0); | ||
| #endif | ||
| return 1; | ||
| } | ||
|
|
||
| #ifndef UNW_REMOTE_ONLY | ||
| HIDDEN void * | ||
| x86_64_r_uc_addr (ucontext_t *uc, int reg) | ||
| { | ||
| void *addr; | ||
|
|
||
| switch (reg) | ||
| { | ||
| case UNW_X86_64_R8: addr = &uc->uc_mcontext.gregs[REG_R8]; break; | ||
| case UNW_X86_64_R9: addr = &uc->uc_mcontext.gregs[REG_R9]; break; | ||
| case UNW_X86_64_R10: addr = &uc->uc_mcontext.gregs[REG_R10]; break; | ||
| case UNW_X86_64_R11: addr = &uc->uc_mcontext.gregs[REG_R11]; break; | ||
| case UNW_X86_64_R12: addr = &uc->uc_mcontext.gregs[REG_R12]; break; | ||
| case UNW_X86_64_R13: addr = &uc->uc_mcontext.gregs[REG_R13]; break; | ||
| case UNW_X86_64_R14: addr = &uc->uc_mcontext.gregs[REG_R14]; break; | ||
| case UNW_X86_64_R15: addr = &uc->uc_mcontext.gregs[REG_R15]; break; | ||
| case UNW_X86_64_RDI: addr = &uc->uc_mcontext.gregs[REG_RDI]; break; | ||
| case UNW_X86_64_RSI: addr = &uc->uc_mcontext.gregs[REG_RSI]; break; | ||
| case UNW_X86_64_RBP: addr = &uc->uc_mcontext.gregs[REG_RBP]; break; | ||
| case UNW_X86_64_RBX: addr = &uc->uc_mcontext.gregs[REG_RBX]; break; | ||
| case UNW_X86_64_RDX: addr = &uc->uc_mcontext.gregs[REG_RDX]; break; | ||
| case UNW_X86_64_RAX: addr = &uc->uc_mcontext.gregs[REG_RAX]; break; | ||
| case UNW_X86_64_RCX: addr = &uc->uc_mcontext.gregs[REG_RCX]; break; | ||
| case UNW_X86_64_RSP: addr = &uc->uc_mcontext.gregs[REG_RSP]; break; | ||
| case UNW_X86_64_RIP: addr = &uc->uc_mcontext.gregs[REG_RIP]; break; | ||
|
|
||
| default: | ||
| addr = NULL; | ||
| } | ||
| return addr; | ||
| } | ||
|
|
||
| /* sigreturn() is a no-op on x86_64 glibc. */ | ||
| HIDDEN NORETURN void | ||
| x86_64_sigreturn (unw_cursor_t *cursor) | ||
| { | ||
| /* struct cursor *c = (struct cursor *) cursor; | ||
| struct sigcontext *sc = (struct sigcontext *) c->sigcontext_addr; | ||
| Debug (8, "resuming at ip=%llx via sigreturn(%p)\n", | ||
| (unsigned long long) c->dwarf.ip, sc); | ||
| __asm__ __volatile__ ("mov %0, %%rsp;" | ||
| "mov %1, %%rax;" | ||
| "syscall" | ||
| :: "r"(sc), "i"(SYS_rt_sigreturn) | ||
| : "memory");*/ | ||
| abort(); | ||
| } | ||
|
|
||
| #endif |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| #define UNW_LOCAL_ONLY | ||
| #include <libunwind.h> | ||
| #if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) | ||
| #include "Gos-solaris.c" | ||
| #endif |
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