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tcg-i386: Make debug_frame const

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Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2014-05-15 12:48:43 -07:00
parent 2c90784abf
commit e9a9a5b605
1 changed files with 17 additions and 21 deletions
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38
tcg/i386/tcg-target.c
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@ -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