--- gcc-13.3.0/libsanitizer/sanitizer_common/sanitizer_linux.cpp.old 2024-05-21 02:47:42.000000000 -0500
+++ gcc-13.3.0/libsanitizer/sanitizer_common/sanitizer_linux.cpp 2024-07-24 15:56:06.119891718 -0500
@@ -82,6 +82,10 @@
# include <sys/sysmacros.h>
#endif
+#if SANITIZER_LINUX && defined(__powerpc__)
+# include <asm/ptrace.h>
+#endif
+
#if SANITIZER_FREEBSD
#include <sys/exec.h>
#include <sys/procctl.h>
@@ -277,7 +281,7 @@
return res;
}
-#if (!SANITIZER_LINUX_USES_64BIT_SYSCALLS || SANITIZER_SPARC) && SANITIZER_LINUX
+#if (!SANITIZER_LINUX_USES_64BIT_SYSCALLS || SANITIZER_SPARC) && SANITIZER_LINUX && defined(__glibc__)
static void stat64_to_stat(struct stat64 *in, struct stat *out) {
internal_memset(out, 0, sizeof(*out));
out->st_dev = in->st_dev;
@@ -384,11 +388,8 @@
return internal_syscall(SYSCALL(newfstatat), AT_FDCWD, (uptr)path, (uptr)buf,
0);
# else
- struct stat64 buf64;
- int res = internal_syscall(SYSCALL(fstatat64), AT_FDCWD, (uptr)path,
- (uptr)&buf64, 0);
- stat64_to_stat(&buf64, (struct stat *)buf);
- return res;
+ return internal_syscall(SYSCALL(fstatat64), AT_FDCWD, (uptr)path, (uptr)buf,
+ 0);
# endif
# else
struct stat64 buf64;
@@ -416,11 +417,8 @@
return internal_syscall(SYSCALL(newfstatat), AT_FDCWD, (uptr)path, (uptr)buf,
AT_SYMLINK_NOFOLLOW);
# else
- struct stat64 buf64;
- int res = internal_syscall(SYSCALL(fstatat64), AT_FDCWD, (uptr)path,
- (uptr)&buf64, AT_SYMLINK_NOFOLLOW);
- stat64_to_stat(&buf64, (struct stat *)buf);
- return res;
+ return internal_syscall(SYSCALL(fstatat64), AT_FDCWD, (uptr)path, (uptr)buf,
+ AT_SYMLINK_NOFOLLOW);
# endif
# else
struct stat64 buf64;
@@ -448,10 +446,7 @@
return internal_syscall(SYSCALL(fstat), fd, (uptr)buf);
# endif
#else
- struct stat64 buf64;
- int res = internal_syscall(SYSCALL(fstat64), fd, &buf64);
- stat64_to_stat(&buf64, (struct stat *)buf);
- return res;
+ return internal_syscall(SYSCALL(fstat64), fd, (uptr)buf);
#endif
}
@@ -871,7 +866,9 @@
#endif
#if SANITIZER_LINUX
-#define SA_RESTORER 0x04000000
+# ifndef SA_RESTORER
+# define SA_RESTORER 0x04000000
+# endif
// Doesn't set sa_restorer if the caller did not set it, so use with caution
//(see below).
int internal_sigaction_norestorer(int signum, const void *act, void *oldact) {
@@ -1677,6 +1674,8 @@
return res;
}
#elif defined(__arm__)
+#pragma GCC push_options
+#pragma GCC optimize("omit-frame-pointer")
uptr internal_clone(int (*fn)(void *), void *child_stack, int flags, void *arg,
int *parent_tidptr, void *newtls, int *child_tidptr) {
unsigned int res;
@@ -1742,6 +1741,7 @@
: "memory");
return res;
}
+#pragma GCC pop_options
#endif
#endif // SANITIZER_LINUX
@@ -2173,11 +2173,20 @@
*bp = ucontext->uc_mcontext.mc_frame[31];
# else
ucontext_t *ucontext = (ucontext_t*)context;
+#ifdef __powerpc64__
*pc = ucontext->uc_mcontext.regs->nip;
*sp = ucontext->uc_mcontext.regs->gpr[PT_R1];
+#else
+ *pc = ucontext->uc_mcontext.gregs[PT_NIP];
+ *sp = ucontext->uc_mcontext.gregs[PT_R1];
+#endif
// The powerpc{,64}-linux ABIs do not specify r31 as the frame
// pointer, but GCC always uses r31 when we need a frame pointer.
+#ifdef __powerpc64__
*bp = ucontext->uc_mcontext.regs->gpr[PT_R31];
+#else
+ *bp = ucontext->uc_mcontext.gregs[PT_R31];
+#endif
# endif
#elif defined(__sparc__)
#if defined(__arch64__) || defined(__sparcv9)
--- gcc-13.3.0/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cpp.old 2024-06-20 14:03:27.437916098 -0500
+++ gcc-13.3.0/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cpp 2024-07-09 03:28:44.101087267 -0500
@@ -51,7 +51,7 @@
#include <time.h>
#include <wchar.h>
#include <regex.h>
-#if !SANITIZER_APPLE
+#if HAVE_UTMP_H
#include <utmp.h>
#endif
@@ -62,7 +62,6 @@
#if !SANITIZER_ANDROID
#include <sys/mount.h>
#include <sys/timeb.h>
-#include <utmpx.h>
#endif
#if SANITIZER_LINUX
@@ -94,7 +93,7 @@
# include <utime.h>
# include <sys/ptrace.h>
# if defined(__mips64) || defined(__aarch64__) || defined(__arm__) || \
- defined(__hexagon__) || SANITIZER_RISCV64
+ defined(__hexagon__) || defined(__powerpc__) || SANITIZER_RISCV64
# include <asm/ptrace.h>
# ifdef __arm__
typedef struct user_fpregs elf_fpregset_t;
@@ -313,11 +312,11 @@
int shmctl_shm_stat = (int)SHM_STAT;
#endif
-#if !SANITIZER_APPLE && !SANITIZER_FREEBSD
+#if HAVE_UTMP_H
unsigned struct_utmp_sz = sizeof(struct utmp);
#endif
#if !SANITIZER_ANDROID
- unsigned struct_utmpx_sz = sizeof(struct utmpx);
+ unsigned struct_utmpx_sz = 400;
#endif
int map_fixed = MAP_FIXED;
--- gcc-13.3.0/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cpp.old 2024-05-21 02:47:42.000000000 -0500
+++ gcc-13.3.0/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cpp 2024-06-20 16:23:27.115377319 -0500
@@ -31,7 +31,7 @@
#include <sys/types.h> // for pid_t
#include <sys/uio.h> // for iovec
#include <elf.h> // for NT_PRSTATUS
-#if (defined(__aarch64__) || SANITIZER_RISCV64) && !SANITIZER_ANDROID
+#if (defined(__aarch64__) || defined(__powerpc__) || SANITIZER_RISCV64) && !SANITIZER_ANDROID
// GLIBC 2.20+ sys/user does not include asm/ptrace.h
# include <asm/ptrace.h>
#endif
--- gcc-13.3.0/libsanitizer/sanitizer_common/sanitizer_syscall_linux_arm.inc.old 2024-05-21 02:47:42.000000000 -0500
+++ gcc-13.3.0/libsanitizer/sanitizer_common/sanitizer_syscall_linux_arm.inc 2024-07-24 15:56:06.129890658 -0500
@@ -12,6 +12,9 @@
#define SYSCALL(name) __NR_ ## name
+#pragma GCC push_options
+#pragma GCC optimize("omit-frame-pointer")
+
static uptr __internal_syscall(u32 nr) {
register u32 r8 asm("r7") = nr;
register u32 r0 asm("r0");
@@ -115,6 +118,7 @@
#define __internal_syscall6(n, a1, a2, a3, a4, a5, a6) \
(__internal_syscall)(n, (u32)(a1), (long)(a2), (long)(a3), (long)(a4), \
(u32)(a5), (long)(a6))
+#pragma GCC pop_options
#define __SYSCALL_NARGS_X(a1, a2, a3, a4, a5, a6, a7, a8, n, ...) n
#define __SYSCALL_NARGS(...) \
