Add auxiliary array + fix tid calling bad function for futex wake

so3/arch/arm32/include/asm/hwcap.h

@@ -0,0 +1,67 @@
+/*
+ *  Copyright (C) 2025 Clément Dieperink <clement.dieperink@heig-vd.ch>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef ASM_ARM_HWCAP_H
+#define ASM_ARM_HWCAP_H
+
+/* clang-format off */
+
+/*
+ * Hardware capabilities flags - for AT_HWCAP
+ * Copied from Linux arch/arm/include/asm/procinfo.h
+ */
+#define HWCAP_SWP	(1 << 0)
+#define HWCAP_HALF	(1 << 1)
+#define HWCAP_THUMB	(1 << 2)
+#define HWCAP_26BIT	(1 << 3)	/* Play it safe */
+#define HWCAP_FAST_MULT	(1 << 4)
+#define HWCAP_FPA	(1 << 5)
+#define HWCAP_VFP	(1 << 6)
+#define HWCAP_EDSP	(1 << 7)
+#define HWCAP_JAVA	(1 << 8)
+#define HWCAP_IWMMXT	(1 << 9)
+#define HWCAP_CRUNCH	(1 << 10)	/* Obsolete */
+#define HWCAP_THUMBEE	(1 << 11)
+#define HWCAP_NEON	(1 << 12)
+#define HWCAP_VFPv3	(1 << 13)
+#define HWCAP_VFPv3D16	(1 << 14)	/* also set for VFPv4-D16 */
+#define HWCAP_TLS	(1 << 15)
+#define HWCAP_VFPv4	(1 << 16)
+#define HWCAP_IDIVA	(1 << 17)
+#define HWCAP_IDIVT	(1 << 18)
+#define HWCAP_VFPD32	(1 << 19)	/* set if VFP has 32 regs (not 16) */
+#define HWCAP_IDIV	(HWCAP_IDIVA | HWCAP_IDIVT)
+#define HWCAP_LPAE	(1 << 20)
+#define HWCAP_EVTSTRM	(1 << 21)
+#define HWCAP_FPHP	(1 << 22)
+#define HWCAP_ASIMDHP	(1 << 23)
+#define HWCAP_ASIMDDP	(1 << 24)
+#define HWCAP_ASIMDFHM	(1 << 25)
+#define HWCAP_ASIMDBF16	(1 << 26)
+#define HWCAP_I8MM	(1 << 27)
+
+/*
+ * ARMv7 flags used by Linux, see arch/arm/mm/proc-v7.S, macro __v7_proc
+ */
+#define HWCAP_ELF (HWCAP_SWP | HWCAP_HALF | HWCAP_THUMB | HWCAP_FAST_MULT | HWCAP_EDSP | HWCAP_TLS)
+
+/* clang-format on */
+
+#endif /* ASM_ARM_HWCAP */

so3/arch/arm64/include/asm/hwcap.h

@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2025 Clément Dieperink <clement.dieperink@heig-vd.ch>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef ASM_ARM_HWCAP_H
+#define ASM_ARM_HWCAP_H
+
+/*
+ * This isn't used by MUSL on AArch64, so simply let it to 0 for now.
+ */
+#define HWCAP_ELF 0
+
+#endif /* ASM_ARM_HWCAP */

so3/include/elf.h

@@ -36,6 +36,8 @@ struct elf_img_info {
 	uint32_t segment_page_count;
 };
 
+typedef Elf32_Off elf_addr_t;
+
 #else
 
 struct elf_img_info {
@@ -47,6 +49,8 @@ struct elf_img_info {
 	uint64_t segment_page_count;
 };
 
+typedef Elf64_Off elf_addr_t;
+
 #endif
 
 typedef struct elf_img_info elf_img_info_t;

so3/include/uapi/linux/auxvec.h

@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2025 Clément Dieperink <clement.dieperink@heig-vd.ch>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef UAPI_LINUX_AUXVEC_H
+#define UAPI_LINUX_AUXVEC_H
+
+/* clang-format off */
+
+/* Copied from linux/include/uapi/linux/auxvec.h */
+
+/* Symbolic values for the entries in the auxiliary table
+   put on the initial stack */
+#define AT_NULL   0	/* end of vector */
+#define AT_IGNORE 1	/* entry should be ignored */
+#define AT_EXECFD 2	/* file descriptor of program */
+#define AT_PHDR   3	/* program headers for program */
+#define AT_PHENT  4	/* size of program header entry */
+#define AT_PHNUM  5	/* number of program headers */
+#define AT_PAGESZ 6	/* system page size */
+#define AT_BASE   7	/* base address of interpreter */
+#define AT_FLAGS  8	/* flags */
+#define AT_ENTRY  9	/* entry point of program */
+#define AT_NOTELF 10	/* program is not ELF */
+#define AT_UID    11	/* real uid */
+#define AT_EUID   12	/* effective uid */
+#define AT_GID    13	/* real gid */
+#define AT_EGID   14	/* effective gid */
+#define AT_PLATFORM 15  /* string identifying CPU for optimizations */
+#define AT_HWCAP  16    /* arch dependent hints at CPU capabilities */
+#define AT_CLKTCK 17	/* frequency at which times() increments */
+/* AT_* values 18 through 22 are reserved */
+#define AT_SECURE 23   /* secure mode boolean */
+#define AT_BASE_PLATFORM 24	/* string identifying real platform, may
+				 * differ from AT_PLATFORM. */
+#define AT_RANDOM 25	/* address of 16 random bytes */
+#define AT_HWCAP2 26	/* extension of AT_HWCAP */
+#define AT_RSEQ_FEATURE_SIZE	27	/* rseq supported feature size */
+#define AT_RSEQ_ALIGN		28	/* rseq allocation alignment */
+#define AT_HWCAP3 29	/* extension of AT_HWCAP */
+#define AT_HWCAP4 30	/* extension of AT_HWCAP */
+
+#define AT_EXECFN  31	/* filename of program */
+
+#ifndef AT_MINSIGSTKSZ
+#define AT_MINSIGSTKSZ	51	/* minimal stack size for signal delivery */
+#endif
+
+/* Common in asm/auxvec.h of arm and arm64 */
+#define AT_SYSINFO_EHDR	33
+
+/* clang-format on */
+
+#endif /* _UAPI_LINUX_AUXVEC_H */