| // This test checks that the unwind data is dumped by llvm-objdump. |
| // RUN: llvm-mc -triple x86_64-pc-win32 -filetype=obj %s | llvm-objdump -u - | FileCheck %s |
| |
| // CHECK: Unwind info: |
| // CHECK: Function Table: |
| // CHECK-NEXT: Start Address: .text |
| // CHECK-NEXT: End Address: .text + 0x001b |
| // CHECK-NEXT: Unwind Info Address: .xdata |
| // CHECK-NEXT: Version: 1 |
| // CHECK-NEXT: Flags: 1 UNW_ExceptionHandler |
| // CHECK-NEXT: Size of prolog: 18 |
| // CHECK-NEXT: Number of Codes: 8 |
| // CHECK-NEXT: Frame register: RBX |
| // CHECK-NEXT: Frame offset: 0 |
| // CHECK-NEXT: Unwind Codes: |
| // CHECK-NEXT: 0x00: UOP_SetFPReg |
| // CHECK-NEXT: 0x0f: UOP_PushNonVol RBX |
| // CHECK-NEXT: 0x0e: UOP_SaveXMM128 XMM8 [0x0000] |
| // CHECK-NEXT: 0x09: UOP_SaveNonVol RSI [0x0010] |
| // CHECK-NEXT: 0x04: UOP_AllocSmall 24 |
| // CHECK-NEXT: 0x00: UOP_PushMachFrame w/o error code |
| // CHECK: Function Table: |
| // CHECK-NEXT: Start Address: .text + 0x0012 |
| // CHECK-NEXT: End Address: .text + 0x0012 |
| // CHECK-NEXT: Unwind Info Address: .xdata + 0x001c |
| // CHECK-NEXT: Version: 1 |
| // CHECK-NEXT: Flags: 4 UNW_ChainInfo |
| // CHECK-NEXT: Size of prolog: 0 |
| // CHECK-NEXT: Number of Codes: 0 |
| // CHECK-NEXT: No frame pointer used |
| // CHECK: Function Table: |
| // CHECK-NEXT: Start Address: .text + 0x001b |
| // CHECK-NEXT: End Address: .text + 0x001c |
| // CHECK-NEXT: Unwind Info Address: .xdata + 0x002c |
| // CHECK-NEXT: Version: 1 |
| // CHECK-NEXT: Flags: 0 |
| // CHECK-NEXT: Size of prolog: 0 |
| // CHECK-NEXT: Number of Codes: 0 |
| // CHECK-NEXT: No frame pointer used |
| // CHECK: Function Table: |
| // CHECK-NEXT: Start Address: .text + 0x001c |
| // CHECK-NEXT: End Address: .text + 0x0039 |
| // CHECK-NEXT: Unwind Info Address: .xdata + 0x0034 |
| // CHECK-NEXT: Version: 1 |
| // CHECK-NEXT: Flags: 0 |
| // CHECK-NEXT: Size of prolog: 14 |
| // CHECK-NEXT: Number of Codes: 6 |
| // CHECK-NEXT: No frame pointer used |
| // CHECK-NEXT: Unwind Codes: |
| // CHECK-NEXT: 0x0e: UOP_AllocLarge 8454128 |
| // CHECK-NEXT: 0x07: UOP_AllocLarge 8190 |
| // CHECK-NEXT: 0x00: UOP_PushMachFrame w/o error code |
| |
| .text |
| .globl func |
| .def func; .scl 2; .type 32; .endef |
| .seh_proc func |
| func: |
| .seh_pushframe @code |
| subq $24, %rsp |
| .seh_stackalloc 24 |
| movq %rsi, 16(%rsp) |
| .seh_savereg %rsi, 16 |
| movups %xmm8, (%rsp) |
| .seh_savexmm %xmm8, 0 |
| pushq %rbx |
| .seh_pushreg 3 |
| mov %rsp, %rbx |
| .seh_setframe 3, 0 |
| .seh_endprologue |
| .seh_handler __C_specific_handler, @except |
| .seh_handlerdata |
| .long 0 |
| .text |
| .seh_startchained |
| .seh_endprologue |
| .seh_endchained |
| lea (%rbx), %rsp |
| pop %rbx |
| addq $24, %rsp |
| ret |
| .seh_endproc |
| |
| // Test emission of small functions. |
| .globl smallFunc |
| .def smallFunc; .scl 2; .type 32; .endef |
| .seh_proc smallFunc |
| smallFunc: |
| ret |
| .seh_endproc |
| |
| // Function with big stack allocation. |
| .globl smallFunc |
| .def allocFunc; .scl 2; .type 32; .endef |
| .seh_proc smallFunc |
| allocFunc: |
| .seh_pushframe @code |
| subq $65520, %rsp |
| .seh_stackalloc 65520 |
| sub $8454128, %rsp |
| .seh_stackalloc 8454128 |
| .seh_endprologue |
| add $8454128, %rsp |
| addq $65520, %rsp |
| ret |
| .seh_endproc |