diff options
Diffstat (limited to 'pkgs/development/libraries/libffi/libffi-3.0.13-emutramp_pax_proc.patch')
| -rw-r--r-- | pkgs/development/libraries/libffi/libffi-3.0.13-emutramp_pax_proc.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/pkgs/development/libraries/libffi/libffi-3.0.13-emutramp_pax_proc.patch b/pkgs/development/libraries/libffi/libffi-3.0.13-emutramp_pax_proc.patch new file mode 100644 index 00000000000..c27bd9bf889 --- /dev/null +++ b/pkgs/development/libraries/libffi/libffi-3.0.13-emutramp_pax_proc.patch @@ -0,0 +1,37 @@ +2013-05-22 Magnus Granberg <zorry@gentoo.org> + + #457194 + * src/closuer.c (emutramp_enabled_check): Check with /proc. + +--- a/src/closures.c 2013-03-17 23:27:11.000000000 +0100 ++++ b/src/closures.c 2013-04-29 23:26:02.279022022 +0200 +@@ -181,10 +181,26 @@ static int emutramp_enabled = -1; + static int + emutramp_enabled_check (void) + { +- if (getenv ("FFI_DISABLE_EMUTRAMP") == NULL) +- return 1; +- else ++ char *buf = NULL; ++ size_t len = 0; ++ FILE *f; ++ int ret; ++ f = fopen ("/proc/self/status", "r"); ++ if (f == NULL) + return 0; ++ ret = 0; ++ ++ while (getline (&buf, &len, f) != -1) ++ if (!strncmp (buf, "PaX:", 4)) ++ { ++ char emutramp; ++ if (sscanf (buf, "%*s %*c%c", &emutramp) == 1) ++ ret = (emutramp == 'E'); ++ break; ++ } ++ free (buf); ++ fclose (f); ++ return ret; + } + + #define is_emutramp_enabled() (emutramp_enabled >= 0 ? emutramp_enabled \ |