diff options
Diffstat (limited to 'libc/bionic/dlmalloc.c')
| -rw-r--r-- | libc/bionic/dlmalloc.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/libc/bionic/dlmalloc.c b/libc/bionic/dlmalloc.c index 2d67392c0..7ecca1d3e 100644 --- a/libc/bionic/dlmalloc.c +++ b/libc/bionic/dlmalloc.c @@ -26,11 +26,16 @@ static void __bionic_heap_usage_error(const char* function, void* address); #define CORRUPTION_ERROR_ACTION(m) __bionic_heap_corruption_error(__FUNCTION__) #define USAGE_ERROR_ACTION(m,p) __bionic_heap_usage_error(__FUNCTION__, p) -/* Bionic named anonymous memory declarations */ +// Bionic named anonymous memory declarations. static void* named_anonymous_mmap(size_t length); #define MMAP(s) named_anonymous_mmap(s) #define DIRECT_MMAP(s) named_anonymous_mmap(s) +// Local definitions of custom prctl arguments to set a vma name in Android kernels. +#include <sys/prctl.h> +#define PR_SET_VMA 0x53564d41 +#define PR_SET_VMA_ANON_NAME 0 + // Ugly inclusion of C file so that bionic specific #defines configure dlmalloc. #include "../upstream-dlmalloc/malloc.c" @@ -51,6 +56,6 @@ static void* named_anonymous_mmap(size_t length) { if (map == MAP_FAILED) { return map; } - __bionic_name_mem(map, length, "libc_malloc"); + prctl(BIONIC_PR_SET_VMA, BIONIC_PR_SET_VMA_ANON_NAME, map, length, "libc_malloc"); return map; } |