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Add a simple memory management wrapper.

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* lib/jit_memory.c: Implement a simple memory allocation wrapper
	to allow overriding calls to malloc/calloc/realloc/free, as well
	as ensuring all memory containing pointers is zero or points to
	allocated memory.

	* include/lightning.h, include/lightning/jit_private.h: Definitions
	for the memory allocation wrapper.

	* lib/Makefile.am: Update for new jit_memory.c file.

	* lib/jit_arm.c, lib/jit_disasm.c, lib/jit_mips.c, lib/jit_note.c,
	lib/jit_ppc.c, lib/jit_sparc.c, lib/jit_x86.c, lib/lightning.c:
	Use the new memory allocation wrapper code.
This commit is contained in:
pcpa 2013-03-29 12:10:36 -03:00
parent be9068f2ee
commit c39def9dce
13 changed files with 263 additions and 148 deletions
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15
lib/jit_disasm.c
View file

@ -111,7 +111,8 @@ jit_init_debug(void)
else
dyn_storage = 0;
disasm_symbols = malloc(sym_storage + dyn_storage);
jit_alloc((jit_pointer_t *)&disasm_symbols,
(sym_storage + dyn_storage) * sizeof(asymbol *));
sym_count = bfd_canonicalize_symtab(disasm_bfd, disasm_symbols);
assert(sym_count >= 0);
if (dyn_storage) {
@ -132,10 +133,10 @@ jit_init_debug(void)
sym_count,
&disasm_synthetic);
if (disasm_num_synthetic > 0) {
disasm_symbols = realloc(disasm_symbols,
sym_storage + dyn_storage +
disasm_num_synthetic *
sizeof(asymbol *));
jit_realloc((jit_pointer_t *)&disasm_symbols,
(sym_storage + dyn_storage) * sizeof(asymbol *),
(sym_storage + dyn_storage + disasm_num_synthetic) *
sizeof(asymbol *));
for (offset = 0; offset < disasm_num_synthetic; offset++)
disasm_symbols[disasm_num_symbols++] =
disasm_synthetic + offset;
@ -165,9 +166,9 @@ jit_finish_debug(void)
{
#if DISASSEMBLER
if (disasm_synthetic)
free(disasm_synthetic);
jit_free((jit_pointer_t *)&disasm_synthetic);
if (disasm_symbols)
free(disasm_symbols);
jit_free((jit_pointer_t *)&disasm_symbols);
#endif
}