llvm/test/MC/ELF/gen-dwarf.s
Oliver Stannard 5604ab9da4 Record the DWARF version in MCContext
Record the DWARF version in MCContext, and use it when
emitting the dwarf version into the debug info.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207739 91177308-0d34-0410-b5e6-96231b3b80d8
2014-05-01 08:46:02 +00:00

55 lines
2.1 KiB
ArmAsm

// RUN: llvm-mc -g -dwarf-version 2 -triple i686-pc-linux-gnu %s -filetype=obj -o - | llvm-readobj -r | FileCheck %s
// RUN: not llvm-mc -g -dwarf-version 1 -triple i686-pc-linux-gnu %s -filetype=asm -o - 2>&1 | FileCheck --check-prefix=DWARF1 %s
// RUN: llvm-mc -g -dwarf-version 2 -triple i686-pc-linux-gnu %s -filetype=asm -o - | FileCheck --check-prefix=ASM --check-prefix=DWARF2 %s
// RUN: llvm-mc -g -dwarf-version 3 -triple i686-pc-linux-gnu %s -filetype=asm -o - | FileCheck --check-prefix=ASM --check-prefix=DWARF3 %s
// RUN: llvm-mc -g -triple i686-pc-linux-gnu %s -filetype=asm -o - | FileCheck --check-prefix=ASM --check-prefix=DWARF4 %s
// RUN: not llvm-mc -g -dwarf-version 5 -triple i686-pc-linux-gnu %s -filetype=asm -o - 2>&1 | FileCheck --check-prefix=DWARF5 %s
// Test that on ELF:
// 1. the debug info has a relocation to debug_abbrev and one to to debug_line.
// 2. the debug_aranges has relocations to text and debug_line.
.text
.globl foo
.type foo, @function
.align 4
foo:
ret
.size foo, .-foo
// CHECK: Relocations [
// CHECK: Section ({{[^ ]+}}) .rel.debug_info {
// CHECK-NEXT: 0x6 R_386_32 .debug_abbrev 0x0
// CHECK-NEXT: 0xC R_386_32 .debug_line 0x0
// CHECK: }
// CHECK-NEXT: Section ({{[^ ]+}}) .rel.debug_aranges {
// CHECK-NEXT: 0x6 R_386_32 .debug_info 0x0
// CHECK-NEXT: 0x10 R_386_32 .text 0x0
// CHECK-NEXT: }
// CHECK: ]
// First instance of the section is just to give it a label for debug_aranges to refer to
// ASM: .section .debug_info
// ASM: .section .debug_abbrev
// ASM-NEXT: [[ABBREV_LABEL:.Ltmp[0-9]+]]
// Second instance of the section has the CU
// ASM: .section .debug_info
// Dwarf version
// DWARF2: .short 2
// DWARF3: .short 3
// DWARF4: .short 4
// ASM-NEXT: .long [[ABBREV_LABEL]]
// First .byte 1 is the abbreviation number for the compile_unit abbrev
// ASM: .byte 1
// ASM-NEXT: .long [[LINE_LABEL:.L[a-z0-9]+]]
// ASM: .section .debug_line
// ASM-NEXT: [[LINE_LABEL]]
// DWARF1: Dwarf version 1 is not supported.
// DWARF5: Dwarf version 5 is not supported.