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-rw-r--r--lib/asan/asan_linux.cc7
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/asan/asan_linux.cc b/lib/asan/asan_linux.cc
index a500f978e..39eec3bfd 100644
--- a/lib/asan/asan_linux.cc
+++ b/lib/asan/asan_linux.cc
@@ -74,6 +74,13 @@ void GetPcSpBp(void *context, uptr *pc, uptr *sp, uptr *bp) {
*pc = ucontext->uc_mcontext.gregs[REG_EIP];
*bp = ucontext->uc_mcontext.gregs[REG_EBP];
*sp = ucontext->uc_mcontext.gregs[REG_ESP];
+# elif defined(__powerpc__) || defined(__powerpc64__)
+ ucontext_t *ucontext = (ucontext_t*)context;
+ *pc = ucontext->uc_mcontext.regs->nip;
+ *sp = ucontext->uc_mcontext.regs->gpr[PT_R1];
+ // The powerpc{,64}-linux ABIs do not specify r31 as the frame
+ // pointer, but GCC always uses r31 when we need a frame pointer.
+ *bp = ucontext->uc_mcontext.regs->gpr[PT_R31];
# elif defined(__sparc__)
ucontext_t *ucontext = (ucontext_t*)context;
uptr *stk_ptr;