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| author | Boris Gjenero <boris.gjenero@gmail.com> | 2012-01-26 20:33:28 -0500 |
|---|---|---|
| committer | Boris Gjenero <boris.gjenero@gmail.com> | 2012-01-26 20:33:28 -0500 |
| commit | f4954c4a9bda0edbdc8e93314b713c036c4ebfdd (patch) | |
| tree | 48c0cb9a170bfae34a13f673c2c0cca28de30bf8 | |
| parent | 1230a45a6581e3799b8c4a4d0310a3e61933a7c3 (diff) | |
| download | rockbox-f4954c4a9bda0edbdc8e93314b713c036c4ebfdd.tar.gz rockbox-f4954c4a9bda0edbdc8e93314b713c036c4ebfdd.zip | |
Fix FS#12559: sigaltstack threads fortify failure
Ubuntu defines _FORTIFY_SOURCE=2, which causes glibc longjmp() to check sp
when gcc optimization is enabled. The check does not allow longjmp() to be
used for switching threads and results in a "longjmp causes uninitialized
stack frame" error. This disables the check.
Change-Id: Idb8877b43ce711df880ca88875ba5477445a577a
| -rw-r--r-- | firmware/thread.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/firmware/thread.c b/firmware/thread.c index 5e543c558a..4c15fcc294 100644 --- a/firmware/thread.c +++ b/firmware/thread.c | |||
| @@ -19,6 +19,15 @@ | |||
| 19 | * | 19 | * |
| 20 | ****************************************************************************/ | 20 | ****************************************************************************/ |
| 21 | #include "config.h" | 21 | #include "config.h" |
| 22 | |||
| 23 | #ifdef HAVE_SIGALTSTACK_THREADS | ||
| 24 | /* | ||
| 25 | * The sp check in glibc __longjmp_chk() will cause | ||
| 26 | * a fatal error when switching threads via longjmp(). | ||
| 27 | */ | ||
| 28 | #undef _FORTIFY_SOURCE | ||
| 29 | #endif | ||
| 30 | |||
| 22 | #include <stdbool.h> | 31 | #include <stdbool.h> |
| 23 | #include <stdio.h> | 32 | #include <stdio.h> |
| 24 | #include "thread.h" | 33 | #include "thread.h" |