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| author | Natanael Copa <ncopa@alpinelinux.org> | 2012-03-01 08:18:59 +0000 |
|---|---|---|
| committer | Natanael Copa <ncopa@alpinelinux.org> | 2012-03-01 08:18:59 +0000 |
| commit | d35474dc7fc86ed44dbf38cda42d8bd4dd0dbe3c (patch) | |
| tree | bf0b9ede00a0f4ee5da1ca54d8a4858dbc571a5d /testing/gnash/aslr-fix.patch | |
| parent | b9d2fc8b4f469c2638bfac2f11d52f7d1497cb29 (diff) | |
| download | aports-d35474dc7fc86ed44dbf38cda42d8bd4dd0dbe3c.tar.bz2 aports-d35474dc7fc86ed44dbf38cda42d8bd4dd0dbe3c.tar.xz | |
main/gnash: rebuild against mesa-8.0 and add aslr fix for jemalloc
Diffstat (limited to 'testing/gnash/aslr-fix.patch')
| -rw-r--r-- | testing/gnash/aslr-fix.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/testing/gnash/aslr-fix.patch b/testing/gnash/aslr-fix.patch new file mode 100644 index 0000000000..632443b602 --- /dev/null +++ b/testing/gnash/aslr-fix.patch @@ -0,0 +1,52 @@ +diff -Naur gnash-0.8.10.alt/libbase/jemalloc.c gnash-0.8.10/libbase/jemalloc.c +--- gnash-0.8.10.alt/libbase/jemalloc.c 2012-02-07 09:39:41.000000000 +0100 ++++ gnash-0.8.10/libbase/jemalloc.c 2012-02-24 18:36:47.000000000 +0100 +@@ -429,7 +429,7 @@ + static const bool __isthreaded = true; + #endif + +-#if defined(MOZ_MEMORY_SOLARIS) && defined(MAP_ALIGN) && !defined(JEMALLOC_NEVER_USES_MAP_ALIGN) ++#if defined(MOZ_MEMORY_SOLARIS) && defined(MAP_ALIGN) && !defined(JEMALLOC_NEVER_USES_MAP_ALIGN) || defined(MOZ_MEMORY_LINUX) + #define JEMALLOC_USES_MAP_ALIGN /* Required on Solaris 10. Might improve performance elsewhere. */ + #endif + +@@ -2238,6 +2238,7 @@ + * We don't use MAP_FIXED here, because it can cause the *replacement* + * of existing mappings, and we only want to create new mappings. + */ ++#ifndef MOZ_MEMORY_LINUX + #ifdef MALLOC_PAGEFILE + if (pfd != -1) { + ret = mmap((void *)alignment, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | +@@ -2252,6 +2253,31 @@ + + if (ret == MAP_FAILED) + ret = NULL; ++#else /* MOZ_MEMORY_LINUX */ ++#ifdef MALLOC_PAGEFILE ++ if (pfd != -1) { ++ ret = mmap((void *)alignment, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | ++ MAP_NOSYNC, pfd, 0); ++ } else ++#endif ++ { ++ ret = mmap(NULL, size + alignment, PROT_READ | PROT_WRITE, MAP_PRIVATE | ++ MAP_NOSYNC | MAP_ANON, -1, 0); ++ } ++ assert(ret != NULL); ++ ++ if (ret == MAP_FAILED) ++ return NULL; ++ ++ uintptr_t aligned_ret; ++ size_t extra_size; ++ aligned_ret = (uintptr_t)ret + alignment - 1; ++ aligned_ret &= ~(alignment - 1); ++ extra_size = aligned_ret - (uintptr_t)ret; ++ munmap(ret, extra_size); ++ munmap(ret + extra_size + size, alignment - extra_size); ++ ret = (void*)aligned_ret; ++#endif /* ifndef MOZ_MEMORY_LINUX*/ + return (ret); + } + #endif |