diff options
Diffstat (limited to 'tcg/tcg.c')
| -rw-r--r-- | tcg/tcg.c | 71 |
1 files changed, 37 insertions, 34 deletions
@@ -86,8 +86,14 @@ typedef struct QEMU_PACKED { uintptr_t func_len; } DebugFrameFDEHeader; +typedef struct QEMU_PACKED { + DebugFrameCIE cie; + DebugFrameFDEHeader fde; +} DebugFrameHeader; + static void tcg_register_jit_int(void *buf, size_t size, - void *debug_frame, size_t debug_frame_size) + const void *debug_frame, + size_t debug_frame_size) __attribute__((unused)); /* Forward declarations for functions declared and used in tcg-target.c. */ @@ -307,32 +313,17 @@ void tcg_pool_reset(TCGContext *s) s->pool_current = NULL; } -#include "helper.h" - typedef struct TCGHelperInfo { void *func; const char *name; + unsigned flags; + unsigned sizemask; } TCGHelperInfo; +#include "exec/helper-proto.h" + static const TCGHelperInfo all_helpers[] = { -#define GEN_HELPER 2 -#include "helper.h" - - /* Include tcg-runtime.c functions. */ - { tcg_helper_div_i32, "div_i32" }, - { tcg_helper_rem_i32, "rem_i32" }, - { tcg_helper_divu_i32, "divu_i32" }, - { tcg_helper_remu_i32, "remu_i32" }, - - { tcg_helper_shl_i64, "shl_i64" }, - { tcg_helper_shr_i64, "shr_i64" }, - { tcg_helper_sar_i64, "sar_i64" }, - { tcg_helper_div_i64, "div_i64" }, - { tcg_helper_rem_i64, "rem_i64" }, - { tcg_helper_divu_i64, "divu_i64" }, - { tcg_helper_remu_i64, "remu_i64" }, - { tcg_helper_mulsh_i64, "mulsh_i64" }, - { tcg_helper_muluh_i64, "muluh_i64" }, +#include "exec/helper-tcg.h" }; void tcg_context_init(TCGContext *s) @@ -373,7 +364,7 @@ void tcg_context_init(TCGContext *s) for (i = 0; i < ARRAY_SIZE(all_helpers); ++i) { g_hash_table_insert(helper_table, (gpointer)all_helpers[i].func, - (gpointer)all_helpers[i].name); + (gpointer)&all_helpers[i]); } tcg_target_init(s); @@ -706,13 +697,17 @@ int tcg_check_temp_count(void) /* Note: we convert the 64 bit args to 32 bit and do some alignment and endian swap. Maybe it would be better to do the alignment and endian swap in tcg_reg_alloc_call(). */ -void tcg_gen_callN(TCGContext *s, void *func, unsigned int flags, - int sizemask, TCGArg ret, int nargs, TCGArg *args) +void tcg_gen_callN(TCGContext *s, void *func, TCGArg ret, + int nargs, TCGArg *args) { - int i; - int real_args; - int nb_rets; + int i, real_args, nb_rets; + unsigned sizemask, flags; TCGArg *nparam; + TCGHelperInfo *info; + + info = g_hash_table_lookup(s->helpers, (gpointer)func); + flags = info->flags; + sizemask = info->sizemask; #if defined(__sparc__) && !defined(__arch64__) \ && !defined(CONFIG_TCG_INTERPRETER) @@ -798,9 +793,8 @@ void tcg_gen_callN(TCGContext *s, void *func, unsigned int flags, } real_args = 0; for (i = 0; i < nargs; i++) { -#if TCG_TARGET_REG_BITS < 64 int is_64bit = sizemask & (1 << (i+1)*2); - if (is_64bit) { + if (TCG_TARGET_REG_BITS < 64 && is_64bit) { #ifdef TCG_TARGET_CALL_ALIGN_ARGS /* some targets want aligned 64 bit args */ if (real_args & 1) { @@ -828,7 +822,6 @@ void tcg_gen_callN(TCGContext *s, void *func, unsigned int flags, real_args += 2; continue; } -#endif /* TCG_TARGET_REG_BITS < 64 */ *s->gen_opparam_ptr++ = args[i]; real_args++; @@ -1166,7 +1159,10 @@ static inline const char *tcg_find_helper(TCGContext *s, uintptr_t val) { const char *ret = NULL; if (s->helpers) { - ret = g_hash_table_lookup(s->helpers, (gpointer)val); + TCGHelperInfo *info = g_hash_table_lookup(s->helpers, (gpointer)val); + if (info) { + ret = info->name; + } } return ret; } @@ -2787,7 +2783,8 @@ static int find_string(const char *strtab, const char *str) } static void tcg_register_jit_int(void *buf_ptr, size_t buf_size, - void *debug_frame, size_t debug_frame_size) + const void *debug_frame, + size_t debug_frame_size) { struct __attribute__((packed)) DebugInfo { uint32_t len; @@ -2925,10 +2922,10 @@ static void tcg_register_jit_int(void *buf_ptr, size_t buf_size, uintptr_t buf = (uintptr_t)buf_ptr; size_t img_size = sizeof(struct ElfImage) + debug_frame_size; + DebugFrameHeader *dfh; img = g_malloc(img_size); *img = img_template; - memcpy(img + 1, debug_frame, debug_frame_size); img->phdr.p_vaddr = buf; img->phdr.p_paddr = buf; @@ -2956,6 +2953,11 @@ static void tcg_register_jit_int(void *buf_ptr, size_t buf_size, img->di.fn_low_pc = buf; img->di.fn_high_pc = buf + buf_size; + dfh = (DebugFrameHeader *)(img + 1); + memcpy(dfh, debug_frame, debug_frame_size); + dfh->fde.func_start = buf; + dfh->fde.func_len = buf_size; + #ifdef DEBUG_JIT /* Enable this block to be able to debug the ELF image file creation. One can use readelf, objdump, or other inspection utilities. */ @@ -2983,7 +2985,8 @@ static void tcg_register_jit_int(void *buf_ptr, size_t buf_size, and implement the internal function we declared earlier. */ static void tcg_register_jit_int(void *buf, size_t size, - void *debug_frame, size_t debug_frame_size) + const void *debug_frame, + size_t debug_frame_size) { } |