forked from OSchip/llvm-project
[ELF][test] Refactor some .eh_frame tests
* Improve eh-frame-merge.s * Delete invalid .eh_frame+5 test in ehframe-relocation.s
This commit is contained in:
Fangrui Song
parent
3e9805eb03
commit
27ef7494b1
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@ -10,7 +10,7 @@
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// CHECK-NEXT: Flags [
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// CHECK-NEXT: SHF_ALLOC
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// CHECK-NEXT: ]
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// CHECK-NEXT: Address: 0x200120
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// CHECK-NEXT: Address:
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// CHECK-NEXT: Offset: 0x120
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// CHECK-NEXT: Size: 4
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@ -1,12 +1,39 @@
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// REQUIRES: x86
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// RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
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// RUN: ld.lld --hash-style=sysv %t.o %t.o -o %t -shared
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// RUN: llvm-readobj -S --section-data %t | FileCheck %s
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# REQUIRES: x86
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# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
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# RUN: ld.lld %t.o %t.o -shared --emit-relocs -o %t.so
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# RUN: llvm-readelf -S -r %t.so | FileCheck %s --check-prefixes=CHECK,RELOC
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# RUN: llvm-dwarfdump --eh-frame %t.so | FileCheck %s --check-prefix=EH
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/// Also show that the merging happens when going via a -r link.
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// RUN: ld.lld -r %t.o %t.o -o %t.r.o
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// RUN: ld.lld --hash-style=sysv %t.r.o -o %t2 -shared
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// RUN: llvm-readobj -S --section-data %t2 | FileCheck %s
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## Also show that the merging happens when going via a -r link.
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# RUN: ld.lld -r %t.o %t.o -o %t.ro
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# RUN: ld.lld %t.ro -o %t2.so -shared
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# RUN: llvm-readelf -S -r %t2.so | FileCheck %s
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# CHECK: Name Type Address Off Size ES Flg Lk Inf Al
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# CHECK: .eh_frame PROGBITS [[#%x,]] [[#%x,]] 000064 00 A 0 0 8
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# CHECK: foo PROGBITS {{0*}}[[#%x,FOO:]] [[#%x,]] 000002 00 AX 0 0 1
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# CHECK-NEXT: bar PROGBITS {{0*}}[[#%x,FOO+2]] [[#%x,]] 000002 00 AX 0 0 1
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# RELOC: Offset Info Type Symbol's Value Symbol's Name + Addend
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# RELOC-NEXT: {{0*}}[[#%x,OFF:]] [[#%x,]] R_X86_64_PC32 [[#%x,]] foo + 0
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# RELOC-NEXT: {{0*}}[[#%x,OFF+20]] [[#%x,]] R_X86_64_PC32 [[#%x,]] bar + 0
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# RELOC-NEXT: {{0*}}[[#OFF]] [[#%x,]] R_X86_64_PC32 [[#%x,]] foo + 1
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# RELOC-NEXT: {{0*}}[[#OFF+20]] [[#%x,]] R_X86_64_NONE 0{{$}}
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# EH: Format: DWARF32
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# EH: 00000018 00000014 0000001c FDE cie=00000000 pc={{0*}}[[#%x,FOO:]]...
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# EH-SAME: {{0*}}[[#%x,FOO+1]]
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# EH-COUNT-7: DW_CFA_nop:
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# EH-EMPTY:
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# EH: 00000030 00000014 00000034 FDE cie=00000000 pc={{0*}}[[#%x,FOO+2]]...{{0*}}[[#%x,FOO+4]]
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# EH-COUNT-7: DW_CFA_nop:
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# EH-EMPTY:
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# EH: 00000048 00000014 0000004c FDE cie=00000000 pc={{0*}}[[#%x,FOO+1]]...{{0*}}[[#%x,FOO+2]]
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# EH-COUNT-7: DW_CFA_nop:
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# EH-EMPTY:
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# EH-NEXT: 0x[[#%x,]]: CFA=RSP+8: RIP=[CFA-8]
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# EH-EMPTY:
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# EH-NEXT: 00000060 ZERO terminator
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.section foo,"ax",@progbits
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.cfi_startproc
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@ -18,47 +45,3 @@
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nop
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nop
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.cfi_endproc
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// FIXME: We could really use a .eh_frame parser.
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// The intention is to show that:
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// * There is only one copy of the CIE
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// * There are two copies of the first FDE
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// * There is only one copy of the second FDE
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// CHECK: Name: .eh_frame
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// CHECK-NEXT: Type: SHT_PROGBITS
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// CHECK-NEXT: Flags [
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// CHECK-NEXT: SHF_ALLOC
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// CHECK-NEXT: ]
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// CHECK-NEXT: Address:
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// CHECK-NEXT: Offset:
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// CHECK-NEXT: Size: 100
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// CHECK-NEXT: Link: 0
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// CHECK-NEXT: Info: 0
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// CHECK-NEXT: AddressAlignment: 8
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// CHECK-NEXT: EntrySize: 0
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// CHECK-NEXT: SectionData (
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// CHECK-NEXT: 0000: 14000000 00000000 017A5200 01781001 |
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// CHECK-NEXT: 0010: 1B0C0708 90010000 14000000 1C000000 |
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// CHECK-NEXT: 0020: 44100000 01000000 00000000 00000000 |
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// CHECK-NEXT: 0030: 14000000 34000000 2E100000 02000000 |
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// CHECK-NEXT: 0040: 00000000 00000000 14000000 4C000000 |
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// CHECK-NEXT: 0050: 15100000 01000000 00000000 00000000 |
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// CHECK-NEXT: 0060: 00000000
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// CHECK-NEXT: )
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// CHECK: Name: foo
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// CHECK-NEXT: Type: SHT_PROGBITS
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// CHECK-NEXT: Flags [
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// CHECK-NEXT: SHF_ALLOC
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// CHECK-NEXT: SHF_EXECINSTR
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// CHECK-NEXT: ]
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// CHECK-NEXT: Address: 0x125C
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// CHECK: Name: bar
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// CHECK-NEXT: Type: SHT_PROGBITS
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// CHECK-NEXT: Flags [
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// CHECK-NEXT: SHF_ALLOC
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// CHECK-NEXT: SHF_EXECINSTR
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// CHECK-NEXT: ]
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// CHECK-NEXT: Address: 0x125E
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@ -16,12 +16,10 @@
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// CHECK-NOT: .eh_frame
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// 0x200120 = 2097440
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// 0x200120 + 5 = 2097445
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// DISASM: Disassembly of section .text:
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// DISASM-EMPTY:
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// DISASM-NEXT: <_start>:
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// DISASM-NEXT: 201154: {{.*}} movq 2097440, %rax
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// DISASM-NEXT: 20115c: {{.*}} movq 2097445, %rax
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.section .eh_frame,"a",@unwind
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@ -29,4 +27,3 @@
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.globl _start
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_start:
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movq .eh_frame, %rax
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movq .eh_frame + 5, %rax
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