diff options
Diffstat (limited to 'tcg')
| -rw-r--r-- | tcg/ppc64/tcg-target.c | 64 |
1 files changed, 36 insertions, 28 deletions
diff --git a/tcg/ppc64/tcg-target.c b/tcg/ppc64/tcg-target.c index 44abf7b8c0..a198a70a3a 100644 --- a/tcg/ppc64/tcg-target.c +++ b/tcg/ppc64/tcg-target.c @@ -1408,46 +1408,53 @@ static void tcg_out_qemu_st(TCGContext *s, TCGReg data_reg, TCGReg addr_reg, /* Parameters for function call generation, used in tcg.c. */ #define TCG_TARGET_STACK_ALIGN 16 -#define TCG_TARGET_CALL_STACK_OFFSET ((6 + 8) * SZR) #define TCG_TARGET_EXTEND_ARGS 1 -#define FRAME_SIZE ((int) \ - ((8 /* back chain */ \ - + 8 /* CR */ \ - + 8 /* LR */ \ - + 8 /* compiler doubleword */ \ - + 8 /* link editor doubleword */ \ - + 8 /* TOC save area */ \ - + TCG_STATIC_CALL_ARGS_SIZE \ - + CPU_TEMP_BUF_NLONGS * sizeof(long) \ - + ARRAY_SIZE(tcg_target_callee_save_regs) * 8 \ - + 15) & ~15)) +#ifdef _CALL_AIX +# define LINK_AREA_SIZE (6 * SZR) +# define LR_OFFSET (1 * SZR) +# define TCG_TARGET_CALL_STACK_OFFSET (LINK_AREA_SIZE + 8 * SZR) +#else +# error +#endif + +#define CPU_TEMP_BUF_SIZE (CPU_TEMP_BUF_NLONGS * (int)sizeof(long)) +#define REG_SAVE_SIZE ((int)ARRAY_SIZE(tcg_target_callee_save_regs) * SZR) -#define REG_SAVE_BOT (FRAME_SIZE - ARRAY_SIZE(tcg_target_callee_save_regs) * 8) +#define FRAME_SIZE ((TCG_TARGET_CALL_STACK_OFFSET \ + + TCG_STATIC_CALL_ARGS_SIZE \ + + CPU_TEMP_BUF_SIZE \ + + REG_SAVE_SIZE \ + + TCG_TARGET_STACK_ALIGN - 1) \ + & -TCG_TARGET_STACK_ALIGN) + +#define REG_SAVE_BOT (FRAME_SIZE - REG_SAVE_SIZE) static void tcg_target_qemu_prologue(TCGContext *s) { int i; - tcg_set_frame(s, TCG_REG_CALL_STACK, - REG_SAVE_BOT - CPU_TEMP_BUF_NLONGS * sizeof(long), - CPU_TEMP_BUF_NLONGS * sizeof(long)); + tcg_set_frame(s, TCG_REG_CALL_STACK, REG_SAVE_BOT - CPU_TEMP_BUF_SIZE, + CPU_TEMP_BUF_SIZE); -#ifndef __APPLE__ - /* First emit adhoc function descriptor */ - tcg_out64(s, (uint64_t)s->code_ptr + 24); /* entry point */ - tcg_out64(s, 0); /* toc */ - tcg_out64(s, 0); /* environment pointer */ +#ifdef _CALL_AIX + { + void **desc = (void **)s->code_ptr; + desc[0] = desc + 2; /* entry point */ + desc[1] = 0; /* environment pointer */ + s->code_ptr = (void *)(desc + 2); /* skip over descriptor */ + } #endif /* Prologue */ tcg_out32(s, MFSPR | RT(TCG_REG_R0) | LR); tcg_out32(s, STDU | SAI(TCG_REG_R1, TCG_REG_R1, -FRAME_SIZE)); + for (i = 0; i < ARRAY_SIZE(tcg_target_callee_save_regs); ++i) { tcg_out_st(s, TCG_TYPE_REG, tcg_target_callee_save_regs[i], TCG_REG_R1, REG_SAVE_BOT + i * SZR); } - tcg_out_st(s, TCG_TYPE_PTR, TCG_REG_R0, TCG_REG_R1, FRAME_SIZE + 16); + tcg_out_st(s, TCG_TYPE_PTR, TCG_REG_R0, TCG_REG_R1, FRAME_SIZE+LR_OFFSET); #ifdef CONFIG_USE_GUEST_BASE if (GUEST_BASE) { @@ -1463,11 +1470,11 @@ static void tcg_target_qemu_prologue(TCGContext *s) /* Epilogue */ tb_ret_addr = s->code_ptr; + tcg_out_ld(s, TCG_TYPE_PTR, TCG_REG_R0, TCG_REG_R1, FRAME_SIZE+LR_OFFSET); for (i = 0; i < ARRAY_SIZE(tcg_target_callee_save_regs); ++i) { tcg_out_ld(s, TCG_TYPE_REG, tcg_target_callee_save_regs[i], TCG_REG_R1, REG_SAVE_BOT + i * SZR); } - tcg_out_ld(s, TCG_TYPE_PTR, TCG_REG_R0, TCG_REG_R1, FRAME_SIZE + 16); tcg_out32(s, MTSPR | RS(TCG_REG_R0) | LR); tcg_out32(s, ADDI | TAI(TCG_REG_R1, TCG_REG_R1, FRAME_SIZE)); tcg_out32(s, BCLR | BO_ALWAYS); @@ -2158,19 +2165,20 @@ static DebugFrame debug_frame = { .cie.id = -1, .cie.version = 1, .cie.code_align = 1, - .cie.data_align = 0x78, /* sleb128 -8 */ + .cie.data_align = (-SZR & 0x7f), /* sleb128 -SZR */ .cie.return_column = 65, /* Total FDE size does not include the "len" member. */ .fde.len = sizeof(DebugFrame) - offsetof(DebugFrame, fde.cie_offset), .fde_def_cfa = { - 12, 1, /* DW_CFA_def_cfa r1, ... */ + 12, TCG_REG_R1, /* DW_CFA_def_cfa r1, ... */ (FRAME_SIZE & 0x7f) | 0x80, /* ... uleb128 FRAME_SIZE */ (FRAME_SIZE >> 7) }, .fde_reg_ofs = { - 0x11, 65, 0x7e, /* DW_CFA_offset_extended_sf, lr, 16 */ + /* DW_CFA_offset_extended_sf, lr, LR_OFFSET */ + 0x11, 65, (LR_OFFSET / -SZR) & 0x7f, } }; @@ -2181,10 +2189,10 @@ void tcg_register_jit(void *buf, size_t buf_size) for (i = 0; i < ARRAY_SIZE(tcg_target_callee_save_regs); ++i, p += 2) { p[0] = 0x80 + tcg_target_callee_save_regs[i]; - p[1] = (FRAME_SIZE - (REG_SAVE_BOT + i * 8)) / 8; + p[1] = (FRAME_SIZE - (REG_SAVE_BOT + i * SZR)) / SZR; } - debug_frame.fde.func_start = (tcg_target_long) buf; + 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)); |