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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-11-17 18:22:04 +1100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-11-17 18:22:04 +1100 |
| commit | 71664fd8d2d2550a56cc6a9c2b81797bfe90d613 (patch) | |
| tree | 6f55e009ff6a8b00f9f1c7a905ad4075225dec93 /core/backtrace.c | |
| parent | 31d20fc02c8ee7c12d84bc28ce732bbc362ce369 (diff) | |
| download | skiboot-71664fd8d2d2550a56cc6a9c2b81797bfe90d613.zip skiboot-71664fd8d2d2550a56cc6a9c2b81797bfe90d613.tar.gz skiboot-71664fd8d2d2550a56cc6a9c2b81797bfe90d613.tar.bz2 | |
Stack checking extensions
This patch adds:
- Normal builds are done with -fstack-protector (we want to investigate
using -fstack-protector-strong on gcc4.9 but for now we just use that
- Build with STACK_CHECK=1 will use -fstack-protector-all and -pg and
will check the stack in mcount
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'core/backtrace.c')
| -rw-r--r-- | core/backtrace.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/core/backtrace.c b/core/backtrace.c index 2d05d3d..c4c8546 100644 --- a/core/backtrace.c +++ b/core/backtrace.c @@ -24,7 +24,7 @@ static char backtrace_buffer[STACK_BUF_SZ]; /* Dumps backtrace to buffer */ -void __backtrace(char *bt_buf, int bt_buf_len) +void __nomcount __backtrace(char *bt_buf, int bt_buf_len) { unsigned int pir = mfspr(SPR_PIR); unsigned long *sp; |