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[compiler-rt] Add the common FreeBSD AArch64 support 

Reviewed by: vitalybuka

Differential Revision: https://reviews.llvm.org/D125756
This commit is contained in:
Andrew Turner 2022-05-16 16:58:45 +01:00 committed by Ed Maste
parent d97d930d92
commit 9496e39b4a
2 changed files with 15 additions and 2 deletions
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14
compiler-rt/lib/sanitizer_common/sanitizer_linux.cpp
View File

@ -1793,7 +1793,7 @@ void *internal_start_thread(void *(*func)(void *), void *arg) { return 0; }
void internal_join_thread(void *th) {}
#endif
#if defined(__aarch64__)
#if SANITIZER_LINUX && defined(__aarch64__)
// Android headers in the older NDK releases miss this definition.
struct __sanitizer_esr_context {
struct _aarch64_ctx head;
@ -1814,6 +1814,11 @@ static bool Aarch64GetESR(ucontext_t *ucontext, u64 *esr) {
}
return false;
}
#elif SANITIZER_FREEBSD && defined(__aarch64__)
// FreeBSD doesn't provide ESR in the ucontext.
static bool Aarch64GetESR(ucontext_t *ucontext, u64 *esr) {
return false;
}
#endif
using Context = ucontext_t;
@ -2039,10 +2044,17 @@ static void GetPcSpBp(void *context, uptr *pc, uptr *sp, uptr *bp) {
*bp = ucontext->uc_mcontext.arm_fp;
*sp = ucontext->uc_mcontext.arm_sp;
#elif defined(__aarch64__)
# if SANITIZER_FREEBSD
ucontext_t *ucontext = (ucontext_t*)context;
*pc = ucontext->uc_mcontext.mc_gpregs.gp_elr;
*bp = ucontext->uc_mcontext.mc_gpregs.gp_x[29];
*sp = ucontext->uc_mcontext.mc_gpregs.gp_sp;
# else
ucontext_t *ucontext = (ucontext_t*)context;
*pc = ucontext->uc_mcontext.pc;
*bp = ucontext->uc_mcontext.regs[29];
*sp = ucontext->uc_mcontext.sp;
# endif
#elif defined(__hppa__)
ucontext_t *ucontext = (ucontext_t*)context;
*pc = ucontext->uc_mcontext.sc_iaoq[0];

3
compiler-rt/lib/sanitizer_common/sanitizer_syscall_generic.inc
View File

@ -19,7 +19,8 @@
# define SYSCALL(name) __NR_ ## name
#endif
#if defined(__x86_64__) && (SANITIZER_FREEBSD || SANITIZER_APPLE)
#if (defined(__x86_64__) && (SANITIZER_FREEBSD || SANITIZER_APPLE)) || \
(defined(__aarch64__) && SANITIZER_FREEBSD)
# define internal_syscall __syscall
# else
# define internal_syscall syscall