forked from OSchip/llvm-project
36 lines
1.7 KiB
Plaintext
36 lines
1.7 KiB
Plaintext
# REQUIRES: x86
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# RUN: echo '.globl _start; _start: ret;' | \
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# RUN: llvm-mc -filetype=obj -triple=x86_64 - -o %t.o
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# RUN: ld.lld -T %s %t.o -o %t
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# RUN: llvm-readelf -S -l %t | FileCheck %s
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# CHECK: Name Type Address Off Size ES Flg Lk Inf Al
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# CHECK-NEXT: NULL 0000000000000000 000000 000000 00 0 0 0
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# CHECK-NEXT: .text PROGBITS 0000000008000000 001000 000001 00 AX 0 0 4
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# CHECK-NEXT: .data PROGBITS 0000000020000000 002000 000006 00 AX 0 0 8
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# CHECK-NEXT: .data2 PROGBITS 000000000800000e 00200e 000008 00 AX 0 0 1
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# CHECK-NEXT: .data3 PROGBITS 0000000020000008 002018 000000 00 AX 0 0 8
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# CHECK-NEXT: .data4 PROGBITS 0000000008000018 002018 000008 00 AX 0 0 1
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# CHECK: Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align
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# CHECK-NEXT: LOAD 0x001000 0x0000000008000000 0x0000000008000000 0x000001 0x000001 R E 0x1000
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# CHECK-NEXT: LOAD 0x002000 0x0000000020000000 0x0000000008000008 0x000006 0x000006 R E 0x1000
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# CHECK-NEXT: LOAD 0x00200e 0x000000000800000e 0x000000000800000e 0x000008 0x000008 R E 0x1000
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# CHECK-NEXT: LOAD 0x002018 0x0000000008000018 0x0000000008000018 0x000008 0x000008 R E 0x1000
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MEMORY {
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CODE (rx) : ORIGIN = 0x08000000, LENGTH = 100K
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DATA (rw) : ORIGIN = 0x20000000, LENGTH = 100K
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}
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SECTIONS {
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.text : { *(.text) } > CODE
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## Aligning the start address of .data to 8 should also increase the location counter of CODE.
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.data : ALIGN(8) { . += 6; } > DATA AT> CODE
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.data2 : { . += 8; } > CODE
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## Also an empty output section with an alignment requirement increases the location counter.
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.data3 : ALIGN(8) { . = ALIGN(. != 0 ? 4 : 1); } > DATA AT> CODE
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.data4 : { . += 8; } > CODE
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}
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