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bb77d317cd
The fix itself is fairly simple: move getAccessVariant to MCValue so that we replace the old weak expression evaluation with the far more general EvaluateAsRelocatable. This then requires that EvaluateAsRelocatable stop when it finds a non trivial reference kind. And that in turn requires the ELF writer to look harder for weak references. Last but not least, this found a case where we were being bug by bug compatible with gas and accepting an invalid input. I reported pr19647 to track it. llvm-svn: 207920
77 lines
3.0 KiB
ArmAsm
77 lines
3.0 KiB
ArmAsm
// RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | llvm-readobj -s -sr -t | FileCheck %s
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// Test that we produce the correct relocation.
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bar:
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movl $bar, %edx # R_X86_64_32
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movq $bar, %rdx # R_X86_64_32S
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movq $bar, bar(%rip) # R_X86_64_32S
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movl bar, %edx # R_X86_64_32S
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movq bar, %rdx # R_X86_64_32S
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.long bar # R_X86_64_32
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leaq foo@GOTTPOFF(%rip), %rax # R_X86_64_GOTTPOFF
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leaq foo@TLSGD(%rip), %rax # R_X86_64_TLSGD
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leaq foo@TPOFF(%rax), %rax # R_X86_64_TPOFF32
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leaq foo@TLSLD(%rip), %rdi # R_X86_64_TLSLD
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leaq foo@dtpoff(%rax), %rcx # R_X86_64_DTPOFF32
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movabs foo@GOT, %rax # R_X86_64_GOT64
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movabs foo@GOTOFF, %rax # R_X86_64_GOTOFF64
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pushq $bar
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movq foo(%rip), %rdx
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leaq foo-bar(%r14),%r14
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addq $bar,%rax # R_X86_64_32S
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.quad foo@DTPOFF
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movabsq $baz@TPOFF, %rax
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.word foo-bar
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.byte foo-bar
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# this should probably be an error...
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zed = foo +2
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call zed@PLT
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leaq -1+foo(%rip), %r11
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movl $_GLOBAL_OFFSET_TABLE_, %eax
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movabs $_GLOBAL_OFFSET_TABLE_, %rax
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// CHECK: Section {
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// CHECK: Name: .rela.text
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// CHECK: Relocations [
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// CHECK-NEXT: 0x1 R_X86_64_32 .text
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// CHECK-NEXT: 0x8 R_X86_64_32S .text
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// CHECK-NEXT: 0x13 R_X86_64_32S .text
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// CHECK-NEXT: 0x1A R_X86_64_32S .text
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// CHECK-NEXT: 0x22 R_X86_64_32S .text
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// CHECK-NEXT: 0x26 R_X86_64_32 .text
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// CHECK-NEXT: 0x2D R_X86_64_GOTTPOFF foo 0xFFFFFFFFFFFFFFFC
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// CHECK-NEXT: 0x34 R_X86_64_TLSGD foo 0xFFFFFFFFFFFFFFFC
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// CHECK-NEXT: 0x3B R_X86_64_TPOFF32 foo 0x0
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// CHECK-NEXT: 0x42 R_X86_64_TLSLD foo 0xFFFFFFFFFFFFFFFC
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// CHECK-NEXT: 0x49 R_X86_64_DTPOFF32 foo 0x0
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// CHECK-NEXT: 0x4F R_X86_64_GOT64 foo 0x0
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// CHECK-NEXT: 0x59 R_X86_64_GOTOFF64 foo 0x0
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// CHECK-NEXT: 0x62 R_X86_64_32S .text 0x0
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// CHECK-NEXT: 0x69 R_X86_64_PC32 foo 0xFFFFFFFFFFFFFFFC
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// CHECK-NEXT: 0x70 R_X86_64_PC32 foo 0x70
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// CHECK-NEXT: 0x77 R_X86_64_32S .text 0x0
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// CHECK-NEXT: 0x7B R_X86_64_DTPOFF64 foo 0x0
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// CHECK-NEXT: 0x85 R_X86_64_TPOFF64 baz 0x0
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// CHECK-NEXT: 0x8D R_X86_64_PC16 foo 0x8D
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// CHECK-NEXT: 0x8F R_X86_64_PC8 foo 0x8F
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// CHECK-NEXT: 0x91 R_X86_64_PLT32 zed 0xFFFFFFFFFFFFFFFC
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// CHECK-NEXT: 0x98 R_X86_64_PC32 foo 0xFFFFFFFFFFFFFFFB
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// CHECK-NEXT: 0x9D R_X86_64_GOTPC32 _GLOBAL_OFFSET_TABLE_ 0x1
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// CHECK-NEXT: 0xA3 R_X86_64_GOTPC64 _GLOBAL_OFFSET_TABLE_ 0x2
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// CHECK-NEXT: ]
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// CHECK-NEXT: }
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// CHECK: Symbol {
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// CHECK: Name: .text (0)
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// CHECK-NEXT: Value:
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// CHECK-NEXT: Size:
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// CHECK-NEXT: Binding: Local
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// CHECK-NEXT: Type: Section
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// CHECK-NEXT: Other: 0
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// CHECK-NEXT: Section: .text (0x1)
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// CHECK-NEXT: }
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