authorgravatar for alex@alexrp.comAlex Rønne Petersen <alex@alexrp.com> 2025-05-11 20:13:14+02:00
committergravatar for alex@alexrp.comAlex Rønne Petersen <alex@alexrp.com> 2025-05-12 16:24:59+02:00
logd14f7f7a09ef82ff42026165624c3968eed7e255
tree6714250e6cc7a804cb691ac8b5ed038cd41ea809
parent833d4c9ce4fb2588607a7c94d7919ad4e2edb641
signaturebadge-check Signed by SSH key SHA256:7B/LJ7bpR1eX8aCXSr4mtd5M45VMPKcx9zY8e95b5QM

libtsan: Backport llvm/llvm-project#120036.

https://github.com/llvm/llvm-project/pull/120036

4 files changed, 14 insertions(+), 8 deletions(-)

lib/libtsan/sanitizer_common/sanitizer_linux.cpp+4
......@@ -86,6 +86,10 @@
8686# include <sys/sysmacros.h>
8787# endif
8888
89# if SANITIZER_LINUX && defined(__powerpc64__)
90# include <asm/ptrace.h>
91# endif
92
8993# if SANITIZER_FREEBSD
9094# include <machine/atomic.h>
9195# include <sys/exec.h>
lib/libtsan/sanitizer_common/sanitizer_linux_libcdep.cpp+7-6
......@@ -619,21 +619,22 @@ static void GetTls(uptr *addr, uptr *size) {
619619 *addr = tp - RoundUpTo(*size, align);
620620 *size = tp - *addr + ThreadDescriptorSize();
621621# else
622 if (SANITIZER_GLIBC)
623 *size += 1664;
624 else if (SANITIZER_FREEBSD)
625 *size += 128; // RTLD_STATIC_TLS_EXTRA
626# if defined(__mips__) || defined(__powerpc64__) || SANITIZER_RISCV64
622# if SANITIZER_GLIBC
623 *size += 1664;
624# elif SANITIZER_FREEBSD
625 *size += 128; // RTLD_STATIC_TLS_EXTRA
626# if defined(__mips__) || defined(__powerpc64__) || SANITIZER_RISCV64
627627 const uptr pre_tcb_size = TlsPreTcbSize();
628628 *addr -= pre_tcb_size;
629629 *size += pre_tcb_size;
630# else
630# else
631631 // arm and aarch64 reserve two words at TP, so this underestimates the range.
632632 // However, this is sufficient for the purpose of finding the pointers to
633633 // thread-specific data keys.
634634 const uptr tcb_size = ThreadDescriptorSize();
635635 *addr -= tcb_size;
636636 *size += tcb_size;
637# endif
637638# endif
638639# endif
639640# elif SANITIZER_NETBSD
lib/libtsan/sanitizer_common/sanitizer_platform_limits_posix.cpp+1-1
......@@ -96,7 +96,7 @@
9696# include <sys/ptrace.h>
9797# if defined(__mips64) || defined(__aarch64__) || defined(__arm__) || \
9898 defined(__hexagon__) || defined(__loongarch__) || SANITIZER_RISCV64 || \
99 defined(__sparc__)
99 defined(__sparc__) || defined(__powerpc64__)
100100# include <asm/ptrace.h>
101101# ifdef __arm__
102102typedef struct user_fpregs elf_fpregset_t;
lib/libtsan/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cpp+2-1
......@@ -31,7 +31,8 @@
3131#include <sys/types.h> // for pid_t
3232#include <sys/uio.h> // for iovec
3333#include <elf.h> // for NT_PRSTATUS
34#if (defined(__aarch64__) || SANITIZER_RISCV64 || SANITIZER_LOONGARCH64) && \
34#if (defined(__aarch64__) || defined(__powerpc64__) || \
35 SANITIZER_RISCV64 || SANITIZER_LOONGARCH64) && \
3536 !SANITIZER_ANDROID
3637// GLIBC 2.20+ sys/user does not include asm/ptrace.h
3738# include <asm/ptrace.h>