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memleak: refactor unicorn_common.h, move stuff to uc_close

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This commit is contained in:
danghvu 2016-07-08 11:16:23 -05:00
parent ada1c13662
commit 6b9f17f2f7
2 changed files with 55 additions and 51 deletions
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57
qemu/unicorn_common.h
View file

@ -2,6 +2,7 @@
#define UNICORN_COMMON_H_
#include "tcg.h"
#include <sys/mman.h>
// This header define common patterns/codes that will be included in all arch-sepcific
// codes for unicorns purposes.
@ -19,23 +20,12 @@ static inline bool cpu_physical_mem_write(AddressSpace *as, hwaddr addr,
return !cpu_physical_memory_rw(as, addr, (void *)buf, len, 1);
}
static void free_table(gpointer key, gpointer value, gpointer data)
{
TypeInfo *ti = (TypeInfo*) value;
g_free((void*) ti->class);
g_free((void*) ti->name);
g_free((void*) ti->parent);
g_free((void*) ti);
}
void tb_cleanup(struct uc_struct *uc);
/** Freeing common resources */
static void release_common(void *t)
{
TCGContext *s = (TCGContext *)t;
struct uc_struct* uc = s->uc;
CPUState *cpu;
#if TCG_TARGET_REG_BITS == 32
int i;
#endif
@ -45,7 +35,9 @@ static void release_common(void *t)
g_free(def->args_ct);
g_free(def->sorted_args);
g_free(s->tcg_op_defs);
g_free(s->code_gen_buffer);
if (s->code_gen_buffer) {
munmap(s->code_gen_buffer, s->code_gen_buffer_size);
}
TCGPool *po, *to;
for (po = s->pool_first; po; po = to) {
@ -55,36 +47,11 @@ static void release_common(void *t)
tcg_pool_reset(s);
g_hash_table_destroy(s->helpers);
// Clean memory.
phys_mem_clean(uc);
address_space_destroy(&(uc->as));
memory_free(uc);
// Clean CPU.
CPU_FOREACH(cpu) {
g_free(cpu->tcg_as_listener);
g_free(cpu->thread);
g_free(cpu->halt_cond);
}
OBJECT(uc->machine_state->accelerator)->ref = 1;
OBJECT(uc->machine_state)->ref = 1;
OBJECT(uc->owner)->ref = 1;
OBJECT(uc->root)->ref = 1;
object_unref(uc, OBJECT(uc->machine_state->accelerator));
object_unref(uc, OBJECT(uc->machine_state));
object_unref(uc, uc->cpu);
object_unref(uc, OBJECT(&uc->io_mem_notdirty));
object_unref(uc, OBJECT(&uc->io_mem_unassigned));
object_unref(uc, OBJECT(&uc->io_mem_rom));
object_unref(uc, OBJECT(uc->root));
g_hash_table_foreach(uc->type_table, free_table, uc);
g_free(uc->system_memory);
if (uc->qemu_thread_data)
free(uc->qemu_thread_data);
// TODO(danghvu): these function is not available outside qemu
// so we keep them here instead of outside uc_close.
phys_mem_clean(s->uc);
address_space_destroy(&(s->uc->as));
memory_free(s->uc);
#if TCG_TARGET_REG_BITS == 32
for(i = 0; i < s->nb_globals; i++) {
@ -97,12 +64,6 @@ static void release_common(void *t)
}
}
#endif
qemu_mutex_destroy(&uc->qemu_global_mutex);
qemu_cond_destroy(&uc->qemu_cpu_cond);
// Clean cache.
tb_cleanup(uc);
}
static inline void uc_common_init(struct uc_struct* uc)

49
uc.c
View file

@ -29,7 +29,16 @@
#include "qemu/target-sparc/unicorn.h"
#include "qemu/include/hw/boards.h"
#include "qemu/include/qemu/queue.h"
static void free_table(gpointer key, gpointer value, gpointer data)
{
TypeInfo *ti = (TypeInfo*) value;
g_free((void*) ti->class);
g_free((void*) ti->name);
g_free((void*) ti->parent);
g_free((void*) ti);
}
UNICORN_EXPORT
unsigned int uc_version(unsigned int *major, unsigned int *minor)
@ -283,19 +292,53 @@ uc_err uc_close(uc_engine *uc)
int i;
struct list_item *cur;
struct hook *hook;
CPUState *cpu;
// Cleanup internally.
if (uc->release)
uc->release(uc->tcg_ctx);
g_free(uc->tcg_ctx);
// Cleanup CPU.
CPU_FOREACH(cpu) {
g_free(cpu->tcg_as_listener);
g_free(cpu->thread);
g_free(cpu->halt_cond);
}
// Cleanup all objects.
OBJECT(uc->machine_state->accelerator)->ref = 1;
OBJECT(uc->machine_state)->ref = 1;
OBJECT(uc->owner)->ref = 1;
OBJECT(uc->root)->ref = 1;
object_unref(uc, OBJECT(uc->machine_state->accelerator));
object_unref(uc, OBJECT(uc->machine_state));
object_unref(uc, uc->cpu);
object_unref(uc, OBJECT(&uc->io_mem_notdirty));
object_unref(uc, OBJECT(&uc->io_mem_unassigned));
object_unref(uc, OBJECT(&uc->io_mem_rom));
object_unref(uc, OBJECT(uc->root));
// System memory.
g_free(uc->system_memory);
// Thread relateds.
if (uc->qemu_thread_data)
free(uc->qemu_thread_data);
qemu_mutex_destroy(&uc->qemu_global_mutex);
qemu_cond_destroy(&uc->qemu_cpu_cond);
// Other auxilaries.
free(uc->l1_map);
if (uc->bounce.buffer) {
free(uc->bounce.buffer);
}
g_free(uc->tcg_ctx);
g_hash_table_destroy(uc->type_table);
g_hash_table_foreach(uc->type_table, free_table, uc);
g_hash_table_unref(uc->type_table);
for (i = 0; i < DIRTY_MEMORY_NUM; i++) {
free(uc->ram_list.dirty_memory[i]);