derek.holloway
7502bf64a4
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68 lines
2.1 KiB
ArmAsm
68 lines
2.1 KiB
ArmAsm
# RUN: llvm-mc -filetype=obj -triple x86_64 %s -o %t
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# RUN: llvm-objdump --no-print-imm-hex -dr %t | FileCheck %s
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# RUN: llvm-readelf -s %t | FileCheck %s --check-prefix=SYM
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# RUN: not llvm-mc -filetype=obj -triple x86_64 --defsym ERR0=1 %s -o %t 2>&1 | FileCheck %s --check-prefix=ERR0 --implicit-check-not=error:
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# RUN: not llvm-mc -filetype=obj -triple x86_64 --defsym ERR=1 %s -o %t 2>&1 | FileCheck %s --check-prefix=ERR
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## If a fixup symbol is equated to an undefined symbol, convert the fixup
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## to be against the target symbol, even if there is a variant (@PLT).
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# CHECK: callq {{.*}}
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# CHECK-NEXT: R_X86_64_PLT32 __GI_memcpy-0x4
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# CHECK: movabsq $0, %rax
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# CHECK-NEXT: R_X86_64_64 __GI_memcpy+0x2
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memcpy = __GI_memcpy
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call memcpy@PLT
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movabsq $memcpy+2, %rax
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# CHECK: movq (%rip), %rax
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# CHECK-NEXT: R_X86_64_REX_GOTPCRELX abs-0x4
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# CHECK: movq (%rip), %r16
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# CHECK-NEXT: R_X86_64_CODE_4_GOTPCRELX abs-0x4
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movq abs@GOTPCREL(%rip), %rax
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movq abs@GOTPCREL(%rip), %r16
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abs = 42
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# CHECK: movabsq $0, %rbx
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# CHECK-NEXT: R_X86_64_64 data_alias
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.globl data_alias
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.set data_alias, data
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movabsq $data_alias, %rbx
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## A local alias to a defined symbol still references a section symbol.
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# CHECK: movabsq $0, %rbx
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# CHECK-NEXT: R_X86_64_64 .data+0x1
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.set data_alias_l, data
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movabsq $data_alias_l, %rbx
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.data
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.byte 0
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.globl data
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data:
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.ifdef ERR0
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# ERR0: {{.*}}.s:[[#@LINE+1]]:15: error: relocation specifier not permitted in symbol equating
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memcpy_spec = __GI_memcpy@PLT
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## Should be rejected as well
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memcpy_spec1 = __GI_memcpy@PLT+1
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.endif
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.ifdef ERR
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.text
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## Note, GNU as emits a relocation for this erroneous fixup.
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# ERR: {{.*}}.s:[[#@LINE+2]]:6: error: expected relocatable expression
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memcpy_plus_1 = __GI_memcpy+1
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call memcpy_plus_1@PLT
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.endif
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## Redirected symbols do not have a symbol table entry.
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# SYM: NOTYPE LOCAL DEFAULT UND
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# SYM-NEXT: NOTYPE LOCAL DEFAULT ABS abs
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# SYM-NEXT: NOTYPE LOCAL DEFAULT 4 data_alias_l
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# SYM-NEXT: SECTION LOCAL DEFAULT 4 .data
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# SYM-NEXT: NOTYPE GLOBAL DEFAULT UND __GI_memcpy
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# SYM-NEXT: NOTYPE GLOBAL DEFAULT 4 data_alias
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# SYM-NEXT: NOTYPE GLOBAL DEFAULT 4 data
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# SYM-NOT: {{.}}
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