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General purpose memory allocator for linker.

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Add basic general purpose memory allocator to
 linker in order to enable usage of other libraries
 like libziparchive.

Change-Id: I4a680ebb36ed5ba67c61249f81dba9f567808434
This commit is contained in:
Dmitriy Ivanov
2015-03-10 17:48:27 -07:00
parent 11a06c73f6
commit 19656ce537
8 changed files with 745 additions and 20 deletions
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12
linker/linker.cpp
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@@ -147,18 +147,6 @@ void count_relocation(RelocationKind) {
uint32_t bitmask[4096];
#endif
// You shouldn't try to call memory-allocating functions in the dynamic linker.
// Guard against the most obvious ones.
#define DISALLOW_ALLOCATION(return_type, name, ...) \
return_type name __VA_ARGS__ \
{ \
__libc_fatal("ERROR: " #name " called from the dynamic linker!\n"); \
}
DISALLOW_ALLOCATION(void*, malloc, (size_t u __unused));
DISALLOW_ALLOCATION(void, free, (void* u __unused));
DISALLOW_ALLOCATION(void*, realloc, (void* u1 __unused, size_t u2 __unused));
DISALLOW_ALLOCATION(void*, calloc, (size_t u1 __unused, size_t u2 __unused));
static char __linker_dl_err_buf[768];
char* linker_get_error_buffer() {