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https://github.com/c64scene-ar/llvm-6502.git
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eef7b6219e
The new command line option -unwind-info dumps the Win64 EH unwind data to the console. This is a nice feature if you need to debug generated EH data (e.g. from LLVM). Includes a test case. Initial patch by João Matos, extensions and rework by Kai Nacke. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169415 91177308-0d34-0410-b5e6-96231b3b80d8
107 lines
3.0 KiB
ArmAsm
107 lines
3.0 KiB
ArmAsm
// This test checks that the unwind data is dumped by llvm-objdump.
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// RUN: llvm-mc -triple x86_64-pc-win32 -filetype=obj %s | llvm-objdump -u - | FileCheck %s
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// CHECK: Unwind info:
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// CHECK: Function Table:
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// CHECK-NEXT: Start Address: .text
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// CHECK-NEXT: End Address: .text + 0x001b
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// CHECK-NEXT: Unwind Info Address: .xdata
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// CHECK-NEXT: Version: 1
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// CHECK-NEXT: Flags: 1 UNW_ExceptionHandler
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// CHECK-NEXT: Size of prolog: 18
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// CHECK-NEXT: Number of Codes: 8
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// CHECK-NEXT: Frame register: RBX
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// CHECK-NEXT: Frame offset: 0
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// CHECK-NEXT: Unwind Codes:
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// CHECK-NEXT: 0x00: UOP_SetFPReg
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// CHECK-NEXT: 0x0f: UOP_PushNonVol RBX
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// CHECK-NEXT: 0x0e: UOP_SaveXMM128 XMM8 [0x0000]
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// CHECK-NEXT: 0x09: UOP_SaveNonVol RSI [0x0010]
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// CHECK-NEXT: 0x04: UOP_AllocSmall 24
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// CHECK-NEXT: 0x00: UOP_PushMachFrame w/o error code
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// CHECK: Function Table:
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// CHECK-NEXT: Start Address: .text + 0x0012
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// CHECK-NEXT: End Address: .text + 0x0012
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// CHECK-NEXT: Unwind Info Address: .xdata + 0x001c
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// CHECK-NEXT: Version: 1
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// CHECK-NEXT: Flags: 4 UNW_ChainInfo
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// CHECK-NEXT: Size of prolog: 0
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// CHECK-NEXT: Number of Codes: 0
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// CHECK-NEXT: No frame pointer used
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// CHECK: Function Table:
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// CHECK-NEXT: Start Address: .text + 0x001b
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// CHECK-NEXT: End Address: .text + 0x001c
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// CHECK-NEXT: Unwind Info Address: .xdata + 0x002c
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// CHECK-NEXT: Version: 1
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// CHECK-NEXT: Flags: 0
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// CHECK-NEXT: Size of prolog: 0
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// CHECK-NEXT: Number of Codes: 0
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// CHECK-NEXT: No frame pointer used
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// CHECK: Function Table:
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// CHECK-NEXT: Start Address: .text + 0x001c
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// CHECK-NEXT: End Address: .text + 0x0039
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// CHECK-NEXT: Unwind Info Address: .xdata + 0x0034
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// CHECK-NEXT: Version: 1
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// CHECK-NEXT: Flags: 0
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// CHECK-NEXT: Size of prolog: 14
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// CHECK-NEXT: Number of Codes: 6
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// CHECK-NEXT: No frame pointer used
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// CHECK-NEXT: Unwind Codes:
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// CHECK-NEXT: 0x0e: UOP_AllocLarge 8454128
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// CHECK-NEXT: 0x07: UOP_AllocLarge 8190
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// CHECK-NEXT: 0x00: UOP_PushMachFrame w/o error code
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.text
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.globl func
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.def func; .scl 2; .type 32; .endef
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.seh_proc func
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func:
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.seh_pushframe @code
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subq $24, %rsp
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.seh_stackalloc 24
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movq %rsi, 16(%rsp)
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.seh_savereg %rsi, 16
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movups %xmm8, (%rsp)
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.seh_savexmm %xmm8, 0
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pushq %rbx
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.seh_pushreg 3
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mov %rsp, %rbx
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.seh_setframe 3, 0
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.seh_endprologue
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.seh_handler __C_specific_handler, @except
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.seh_handlerdata
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.long 0
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.text
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.seh_startchained
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.seh_endprologue
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.seh_endchained
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lea (%rbx), %rsp
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pop %rbx
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addq $24, %rsp
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ret
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.seh_endproc
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// Test emission of small functions.
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.globl smallFunc
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.def smallFunc; .scl 2; .type 32; .endef
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.seh_proc smallFunc
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smallFunc:
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ret
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.seh_endproc
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// Function with big stack allocation.
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.globl smallFunc
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.def allocFunc; .scl 2; .type 32; .endef
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.seh_proc smallFunc
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allocFunc:
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.seh_pushframe @code
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subq $65520, %rsp
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.seh_stackalloc 65520
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sub $8454128, %rsp
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.seh_stackalloc 8454128
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.seh_endprologue
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add $8454128, %rsp
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addq $65520, %rsp
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ret
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.seh_endproc
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