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fd7184191d
SUMMARY:
SUMMARY
for a source file "test.c"
void foo() {};
llc will generate assembly code as (assembly patch)
.globl foo
.globl .foo
.csect foo[DS]
foo:
.long .foo
.long TOC[TC0]
.long 0
and symbol table as (xcoff object file)
[4] m 0x00000004 .data 1 unamex foo
[5] a4 0x0000000c 0 0 SD DS 0 0
[6] m 0x00000004 .data 1 extern foo
[7] a4 0x00000004 0 0 LD DS 0 0
After first patch, the assembly will be as
.globl foo[DS] # -- Begin function foo
.globl .foo
.align 2
.csect foo[DS]
.long .foo
.long TOC[TC0]
.long 0
and symbol table will as
[6] m 0x00000004 .data 1 extern foo
[7] a4 0x00000004 0 0 DS DS 0 0
Change the code for the assembly path and xcoff objectfile patch for llc.
Reviewers: Jason Liu
Subscribers: wuzish, nemanjai, hiraditya
Differential Revision: https://reviews.llvm.org/D76162
93 lines
3.3 KiB
LLVM
93 lines
3.3 KiB
LLVM
; RUN: llc -verify-machineinstrs -mcpu=pwr7 -mtriple powerpc-ibm-aix-xcoff -filetype=obj -o %t.o < %s
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; RUN: llvm-readobj --symbols %t.o | FileCheck %s
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define void @foo() {
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entry:
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ret void
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}
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; CHECK: File: {{.*}}aix-func-dsc-gen.ll.tmp.o
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; CHECK-NEXT: Format: aixcoff-rs6000
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; CHECK-NEXT: Arch: powerpc
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; CHECK-NEXT: AddressSize: 32bit
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; CHECK: Symbol {
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; CHECK-NEXT: Index: [[#Index:]]
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; CHECK-NEXT: Name: .text
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; CHECK-NEXT: Value (RelocatableAddress): 0x0
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; CHECK-NEXT: Section: .text
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; CHECK-NEXT: Type: 0x0
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; CHECK-NEXT: StorageClass: C_HIDEXT (0x6B)
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; CHECK-NEXT: NumberOfAuxEntries: 1
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; CHECK-NEXT: CSECT Auxiliary Entry {
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; CHECK-NEXT: Index: [[#Index+1]]
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; CHECK-NEXT: SectionLen: 4
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; CHECK-NEXT: ParameterHashIndex: 0x0
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; CHECK-NEXT: TypeChkSectNum: 0x0
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; CHECK-NEXT: SymbolAlignmentLog2: 4
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; CHECK-NEXT: SymbolType: XTY_SD (0x1)
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; CHECK-NEXT: StorageMappingClass: XMC_PR (0x0)
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; CHECK-NEXT: StabInfoIndex: 0x0
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; CHECK-NEXT: StabSectNum: 0x0
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; CHECK-NEXT: }
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; CHECK-NEXT: }
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; CHECK-NEXT: Symbol {
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; CHECK-NEXT: Index: [[#Index+2]]
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; CHECK-NEXT: Name: .foo
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; CHECK-NEXT: Value (RelocatableAddress): 0x0
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; CHECK-NEXT: Section: .text
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; CHECK-NEXT: Type: 0x0
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; CHECK-NEXT: StorageClass: C_EXT (0x2)
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; CHECK-NEXT: NumberOfAuxEntries: 1
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; CHECK-NEXT: CSECT Auxiliary Entry {
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; CHECK-NEXT: Index: [[#Index+3]]
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; CHECK-NEXT: ContainingCsectSymbolIndex: [[#Index]]
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; CHECK-NEXT: ParameterHashIndex: 0x0
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; CHECK-NEXT: TypeChkSectNum: 0x0
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; CHECK-NEXT: SymbolAlignmentLog2: 0
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; CHECK-NEXT: SymbolType: XTY_LD (0x2)
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; CHECK-NEXT: StorageMappingClass: XMC_PR (0x0)
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; CHECK-NEXT: StabInfoIndex: 0x0
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; CHECK-NEXT: StabSectNum: 0x0
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; CHECK-NEXT: }
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; CHECK-NEXT: }
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; CHECK-NEXT: Symbol {
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; CHECK-NEXT: Index: [[#Index+4]]
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; CHECK-NEXT: Name: foo
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; CHECK-NEXT: Value (RelocatableAddress): 0x4
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; CHECK-NEXT: Section: .data
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; CHECK-NEXT: Type: 0x0
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; CHECK-NEXT: StorageClass: C_EXT (0x2)
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; CHECK-NEXT: NumberOfAuxEntries: 1
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; CHECK-NEXT: CSECT Auxiliary Entry {
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; CHECK-NEXT: Index: [[#Index+5]]
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; CHECK-NEXT: SectionLen: 12
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; CHECK-NEXT: ParameterHashIndex: 0x0
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; CHECK-NEXT: TypeChkSectNum: 0x0
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; CHECK-NEXT: SymbolAlignmentLog2: 2
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; CHECK-NEXT: SymbolType: XTY_SD (0x1)
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; CHECK-NEXT: StorageMappingClass: XMC_DS (0xA)
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; CHECK-NEXT: StabInfoIndex: 0x0
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; CHECK-NEXT: StabSectNum: 0x0
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; CHECK-NEXT: }
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; CHECK-NEXT: }
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; CHECK-NEXT: Symbol {
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; CHECK-NEXT: Index: [[#Index+6]]
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; CHECK-NEXT: Name: TOC
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; CHECK-NEXT: Value (RelocatableAddress): 0x10
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; CHECK-NEXT: Section: .data
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; CHECK-NEXT: Type: 0x0
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; CHECK-NEXT: StorageClass: C_HIDEXT (0x6B)
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; CHECK-NEXT: NumberOfAuxEntries: 1
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; CHECK-NEXT: CSECT Auxiliary Entry {
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; CHECK-NEXT: Index: [[#Index+7]]
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; CHECK-NEXT: SectionLen: 0
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; CHECK-NEXT: ParameterHashIndex: 0x0
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; CHECK-NEXT: TypeChkSectNum: 0x0
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; CHECK-NEXT: SymbolAlignmentLog2: 2
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; CHECK-NEXT: SymbolType: XTY_SD (0x1)
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; CHECK-NEXT: StorageMappingClass: XMC_TC0 (0xF)
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; CHECK-NEXT: StabInfoIndex: 0x0
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; CHECK-NEXT: StabSectNum: 0x0
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; CHECK-NEXT: }
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; CHECK-NEXT: }
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