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authorRichard Henderson <rth@twiddle.net>2014-05-15 12:48:43 -0700
committerRichard Henderson <rth@twiddle.net>2014-05-28 09:33:55 -0700
commite9a9a5b60508ae689fa8101ed56b40c9c7437ba7 (patch)
treeaf0e7f8806a8c6ba49366f62f4358b3d2090c6e3 /tcg
parent2c90784abf347a68db4b8638495aaf9682f33b48 (diff)
tcg-i386: Make debug_frame const
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'tcg')
-rw-r--r--tcg/i386/tcg-target.c38
1 files changed, 17 insertions, 21 deletions
diff --git a/tcg/i386/tcg-target.c b/tcg/i386/tcg-target.c
index a373073ff8..d9102335f9 100644
--- a/tcg/i386/tcg-target.c
+++ b/tcg/i386/tcg-target.c
@@ -2341,8 +2341,7 @@ static void tcg_target_init(TCGContext *s)
}
typedef struct {
- DebugFrameCIE cie;
- DebugFrameFDEHeader fde;
+ DebugFrameHeader h;
uint8_t fde_def_cfa[4];
uint8_t fde_reg_ofs[14];
} DebugFrame;
@@ -2354,16 +2353,16 @@ QEMU_BUILD_BUG_ON(FRAME_SIZE >= (1 << 14));
/* Host machine without ELF. */
#elif TCG_TARGET_REG_BITS == 64
#define ELF_HOST_MACHINE EM_X86_64
-static DebugFrame debug_frame = {
- .cie.len = sizeof(DebugFrameCIE)-4, /* length after .len member */
- .cie.id = -1,
- .cie.version = 1,
- .cie.code_align = 1,
- .cie.data_align = 0x78, /* sleb128 -8 */
- .cie.return_column = 16,
+static const DebugFrame debug_frame = {
+ .h.cie.len = sizeof(DebugFrameCIE)-4, /* length after .len member */
+ .h.cie.id = -1,
+ .h.cie.version = 1,
+ .h.cie.code_align = 1,
+ .h.cie.data_align = 0x78, /* sleb128 -8 */
+ .h.cie.return_column = 16,
/* Total FDE size does not include the "len" member. */
- .fde.len = sizeof(DebugFrame) - offsetof(DebugFrame, fde.cie_offset),
+ .h.fde.len = sizeof(DebugFrame) - offsetof(DebugFrame, h.fde.cie_offset),
.fde_def_cfa = {
12, 7, /* DW_CFA_def_cfa %rsp, ... */
@@ -2383,16 +2382,16 @@ static DebugFrame debug_frame = {
};
#else
#define ELF_HOST_MACHINE EM_386
-static DebugFrame debug_frame = {
- .cie.len = sizeof(DebugFrameCIE)-4, /* length after .len member */
- .cie.id = -1,
- .cie.version = 1,
- .cie.code_align = 1,
- .cie.data_align = 0x7c, /* sleb128 -4 */
- .cie.return_column = 8,
+static const DebugFrame debug_frame = {
+ .h.cie.len = sizeof(DebugFrameCIE)-4, /* length after .len member */
+ .h.cie.id = -1,
+ .h.cie.version = 1,
+ .h.cie.code_align = 1,
+ .h.cie.data_align = 0x7c, /* sleb128 -4 */
+ .h.cie.return_column = 8,
/* Total FDE size does not include the "len" member. */
- .fde.len = sizeof(DebugFrame) - offsetof(DebugFrame, fde.cie_offset),
+ .h.fde.len = sizeof(DebugFrame) - offsetof(DebugFrame, h.fde.cie_offset),
.fde_def_cfa = {
12, 4, /* DW_CFA_def_cfa %esp, ... */
@@ -2413,9 +2412,6 @@ static DebugFrame debug_frame = {
#if defined(ELF_HOST_MACHINE)
void tcg_register_jit(void *buf, size_t buf_size)
{
- debug_frame.fde.func_start = (uintptr_t)buf;
- debug_frame.fde.func_len = buf_size;
-
tcg_register_jit_int(buf, buf_size, &debug_frame, sizeof(debug_frame));
}
#endif