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[PATCH] Get sparc building again after ASAN merge.
- From: David Miller <davem at davemloft dot net>
- To: gcc-patches at gcc dot gnu dot org
- Date: Tue, 13 Nov 2012 01:49:55 -0500 (EST)
- Subject: [PATCH] Get sparc building again after ASAN merge.
libsanitizer/
* asan/asan_linux.cc (GetPcSpBp): Add sparc support.
---
libsanitizer/ChangeLog.asan | 4 ++++
libsanitizer/asan/asan_linux.cc | 14 ++++++++++++++
2 files changed, 18 insertions(+)
diff --git a/libsanitizer/ChangeLog.asan b/libsanitizer/ChangeLog.asan
index 7fe3c0c..5592092 100644
--- a/libsanitizer/ChangeLog.asan
+++ b/libsanitizer/ChangeLog.asan
@@ -1,3 +1,7 @@
+2012-11-12 David S. Miller <davem@davemloft.net>
+
+ * asan/asan_linux.cc (GetPcSpBp): Add sparc support.
+
2012-10-29 Wei Mi <wmi@google.com>
Initial checkin: migrate asan runtime from llvm.
diff --git a/libsanitizer/asan/asan_linux.cc b/libsanitizer/asan/asan_linux.cc
index 2922740..ea7ee9e 100644
--- a/libsanitizer/asan/asan_linux.cc
+++ b/libsanitizer/asan/asan_linux.cc
@@ -66,6 +66,20 @@ 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(__sparc__)
+ ucontext_t *ucontext = (ucontext_t*)context;
+ uptr *stk_ptr;
+# if defined (__arch64__)
+ *pc = ucontext->uc_mcontext.mc_gregs[MC_PC];
+ *sp = ucontext->uc_mcontext.mc_gregs[MC_O6];
+ stk_ptr = (uptr *) (*sp + 2047);
+ *bp = stk_ptr[15];
+# else
+ *pc = ucontext->uc_mcontext.gregs[REG_PC];
+ *sp = ucontext->uc_mcontext.gregs[REG_O6];
+ stk_ptr = (uptr *) *sp;
+ *bp = stk_ptr[15];
+# endif
#else
# error "Unsupported arch"
#endif
--
1.7.12.2.dirty