forked from OSchip/llvm-project
[ELF][test] Rework non-preemptible ifunc tests
This commit is contained in:
Fangrui Song
parent
c03d25860a
commit
80f9fd4ce3
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@ -1,23 +0,0 @@
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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 -static -export-dynamic %t.o -o %tout
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// RUN: llvm-nm -U %tout | FileCheck %s
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// RUN: ld.lld -export-dynamic %t.o -o %tout
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// RUN: llvm-nm -U %tout | FileCheck %s
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// CHECK: __rela_iplt_end
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// CHECK: __rela_iplt_start
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.text
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.type foo STT_GNU_IFUNC
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.globl foo
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foo:
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ret
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.globl _start
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_start:
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call foo
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movl $__rela_iplt_start,%edx
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movl $__rela_iplt_end,%edx
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@ -0,0 +1,67 @@
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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 -o %t
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# RUN: llvm-objdump -d %t | FileCheck %s --check-prefix=DISASM
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# RUN: llvm-readelf -r -s %t | FileCheck %s
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# RUN: ld.lld --export-dynamic %t.o -o %t
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# RUN: llvm-readelf -r -s %t | FileCheck %s
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# CHECK: Relocation section '.rela.dyn' at offset {{.*}} contains 2 entries:
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# CHECK-NEXT: Type
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# CHECK-NEXT: R_X86_64_IRELATIVE
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# CHECK-NEXT: R_X86_64_IRELATIVE
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# CHECK: 0 NOTYPE LOCAL HIDDEN [[#]] __rela_iplt_start
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# CHECK-NEXT: 0 NOTYPE LOCAL HIDDEN [[#]] __rela_iplt_end
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# RUN: ld.lld -pie %t.o -o %t1
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# RUN: llvm-readelf -s %t1 | FileCheck %s --check-prefix=PIC
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# RUN: ld.lld -shared %t.o -o %t2
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# RUN: llvm-readelf -s %t2 | FileCheck %s --check-prefix=PIC
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# PIC: 0 NOTYPE LOCAL HIDDEN [[#]] __rela_iplt_start
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# PIC-NEXT: 0 NOTYPE LOCAL HIDDEN [[#]] __rela_iplt_end
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# DISASM: Disassembly of section .text:
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# DISASM-EMPTY:
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# DISASM-NEXT: <foo>:
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# DISASM-NEXT: 201188: {{.*}} retq
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# DISASM: <bar>:
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# DISASM-NEXT: 201189: {{.*}} retq
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# DISASM: <_start>:
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# DISASM-NEXT: 20118a: {{.*}} callq 0x2011a0
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# DISASM-NEXT: 20118f: {{.*}} callq 0x2011b0
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# DISASM-EMPTY:
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# DISASM-NEXT: Disassembly of section .iplt:
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# DISASM-EMPTY:
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# DISASM-NEXT: <.iplt>:
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# DISASM-NEXT: 2011a0: {{.*}} jmpq *{{.*}}(%rip) # 0x2021d0
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# DISASM-NEXT: 2011a6: {{.*}} pushq $0
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# DISASM-NEXT: 2011ab: {{.*}} jmp 0x0
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# DISASM-NEXT: 2011b0: {{.*}} jmpq *{{.*}}(%rip) # 0x2021d8
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# DISASM-NEXT: 2011b6: {{.*}} pushq $1
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# DISASM-NEXT: 2011bb: {{.*}} jmp 0x0
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.text
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.type foo STT_GNU_IFUNC
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.globl foo
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foo:
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ret
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.type bar STT_GNU_IFUNC
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.globl bar
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bar:
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ret
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.weak __rela_iplt_start
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.weak __rela_iplt_end
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.globl _start
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_start:
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call foo
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call bar
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.data
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.quad __rela_iplt_start
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.quad __rela_iplt_end
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@ -1,133 +0,0 @@
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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 -static %t.o -o %tout
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// RUN: llvm-objdump -d %tout | FileCheck %s --check-prefix=DISASM
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// RUN: llvm-readobj -r --symbols --sections %tout | FileCheck %s
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// CHECK: Sections [
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// CHECK: Section {
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// CHECK: Index: 1
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// CHECK-NEXT: Name: .rela.dyn
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// CHECK-NEXT: Type: SHT_RELA
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// CHECK-NEXT: Flags [
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// CHECK-NEXT: SHF_ALLOC
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// CHECK-NEXT: SHF_INFO_LINK
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// CHECK-NEXT: ]
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// CHECK-NEXT: Address: [[RELA:.*]]
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// CHECK-NEXT: Offset: 0x158
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// CHECK-NEXT: Size: 48
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// CHECK-NEXT: Link: 0
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// CHECK-NEXT: Info: [[GOTPLT:.*]]
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// CHECK-NEXT: AddressAlignment: 8
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// CHECK-NEXT: EntrySize: 24
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// CHECK-NEXT: }
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// CHECK: Index: [[GOTPLT]]
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// CHECK-NEXT: Name: .got.plt
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// CHECK: Relocations [
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// CHECK-NEXT: Section ({{.*}}) .rela.dyn {
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// CHECK-NEXT: 0x2021D0 R_X86_64_IRELATIVE
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// CHECK-NEXT: 0x2021D8 R_X86_64_IRELATIVE
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// CHECK-NEXT: }
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// CHECK-NEXT: ]
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// CHECK: Symbols [
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name:
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// CHECK-NEXT: Value: 0x0
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Local
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// CHECK-NEXT: Type: None
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// CHECK-NEXT: Other: 0
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// CHECK-NEXT: Section: Undefined
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// CHECK-NEXT: }
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: __rela_iplt_start
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// CHECK-NEXT: Value: [[RELA]]
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Local
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// CHECK-NEXT: Type: None
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// CHECK-NEXT: Other [
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// CHECK-NEXT: STV_HIDDEN
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// CHECK-NEXT: ]
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// CHECK-NEXT: Section: .rela.dyn
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// CHECK-NEXT: }
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: __rela_iplt_end
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// CHECK-NEXT: Value: 0x200188
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Local
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// CHECK-NEXT: Type: None
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// CHECK-NEXT: Other [
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// CHECK-NEXT: STV_HIDDEN
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// CHECK-NEXT: ]
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// CHECK-NEXT: Section: .rela.dyn
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// CHECK-NEXT: }
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: foo
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// CHECK-NEXT: Value: 0x201188
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Global
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// CHECK-NEXT: Type: GNU_IFunc
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// CHECK-NEXT: Other: 0
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// CHECK-NEXT: Section: .text
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// CHECK-NEXT: }
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: bar
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// CHECK-NEXT: Value: 0x201189
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Global
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// CHECK-NEXT: Type: GNU_IFunc
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// CHECK-NEXT: Other: 0
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// CHECK-NEXT: Section: .text
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// CHECK-NEXT: }
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: _start
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// CHECK-NEXT: Value: 0x20118A
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Global
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// CHECK-NEXT: Type: None
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// CHECK-NEXT: Other: 0
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// CHECK-NEXT: Section: .text
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// CHECK-NEXT: }
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// CHECK-NEXT: ]
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// DISASM: Disassembly of section .text:
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// DISASM-EMPTY:
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// DISASM-NEXT: <foo>:
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// DISASM-NEXT: 201188: {{.*}} retq
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// DISASM: <bar>:
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// DISASM-NEXT: 201189: {{.*}} retq
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// DISASM: <_start>:
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// DISASM-NEXT: 20118a: {{.*}} callq 0x2011b0
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// DISASM-NEXT: 20118f: {{.*}} callq 0x2011c0
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// DISASM-NEXT: 201194: {{.*}} movl $2097496, %edx
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// DISASM-NEXT: 201199: {{.*}} movl $2097544, %edx
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// DISASM-NEXT: 20119e: {{.*}} movl $2097545, %edx
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// DISASM-EMPTY:
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// DISASM-NEXT: Disassembly of section .iplt:
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// DISASM-EMPTY:
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// DISASM-NEXT: <.iplt>:
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// DISASM-NEXT: 2011b0: {{.*}} jmpq *4122(%rip)
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// DISASM-NEXT: 2011b6: {{.*}} pushq $0
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// DISASM-NEXT: 2011bb: {{.*}} jmp 0x0
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// DISASM-NEXT: 2011c0: {{.*}} jmpq *4114(%rip)
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// DISASM-NEXT: 2011c6: {{.*}} pushq $1
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// DISASM-NEXT: 2011cb: {{.*}} jmp 0x0
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.text
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.type foo STT_GNU_IFUNC
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.globl foo
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foo:
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ret
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.type bar STT_GNU_IFUNC
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.globl bar
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bar:
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ret
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.globl _start
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_start:
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call foo
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call bar
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movl $__rela_iplt_start,%edx
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movl $__rela_iplt_end,%edx
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movl $__rela_iplt_end + 1,%edx
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