| # REQUIRES: x86 |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o |
| |
| ## Contiguous SHF_LINK_ORDER sections. |
| # RUN: echo 'SECTIONS { .rodata : {BYTE(0) *(.rodata*) BYTE(4)} \ |
| # RUN: .text : {*(.text.bar) *(.text.foo)} }' > %t.lds |
| # RUN: ld.lld -T %t.lds %t.o -o %t |
| # RUN: llvm-readelf -S -x .rodata -x .text %t | FileCheck %s |
| |
| # CHECK: [ 1] .rodata {{.*}} AL 3 |
| # CHECK: [ 3] .text {{.*}} AX 0 |
| # CHECK: Hex dump of section '.rodata': |
| # CHECK-NEXT: 00030102 04 |
| # CHECK: Hex dump of section '.text': |
| # CHECK-NEXT: 0201 |
| |
| # RUN: echo 'SECTIONS { .rodata : {BYTE(0) *(.rodata*) BYTE(4)} \ |
| # RUN: .text : {*(.text.foo) *(.text.bar)} }' > %t1.lds |
| # RUN: ld.lld -T %t1.lds %t.o -o %t1 |
| # RUN: llvm-readelf -S -x .rodata -x .text %t1 | FileCheck --check-prefix=CHECK1 %s |
| |
| # CHECK1: [ 1] .rodata {{.*}} AL 3 |
| # CHECK1: [ 3] .text {{.*}} AX 0 |
| # CHECK1: Hex dump of section '.rodata': |
| # CHECK1-NEXT: 00010302 04 |
| # CHECK1: Hex dump of section '.text': |
| # CHECK1-NEXT: 0102 |
| |
| ## Adjacent input sections descriptions are contiguous. |
| ## Orphan section .text.bar precedes .text.foo. However, don't swap the order of .rodata.* |
| ## because they are in different InputSectionDescriptions. |
| # RUN: echo 'SECTIONS { .rodata : {*(.rodata.foo) *(.rodata.bar)} }' > %t2.lds |
| # RUN: ld.lld -T %t2.lds %t.o -o %t2 |
| # RUN: llvm-readelf -S -x .rodata %t2 | FileCheck --check-prefix=CHECK2 %s |
| |
| # CHECK2: [ 1] .rodata {{.*}} AL 5 |
| # CHECK2: [ 4] .text.bar {{.*}} AX 0 |
| # CHECK2-NEXT: [ 5] .text.foo {{.*}} AX 0 |
| # CHECK2: Hex dump of section '.rodata': |
| # CHECK2-NEXT: 010302 |
| |
| ## Non-contiguous SHF_LINK_ORDER sections, separated by a BYTE. |
| # RUN: echo 'SECTIONS { .rodata : {*(.rodata.foo) BYTE(0) *(.rodata.bar)} }' > %t3.lds |
| # RUN: ld.lld -T %t3.lds %t.o -o %t3 |
| # RUN: llvm-readelf -S -x .rodata %t3 | FileCheck --check-prefix=CHECK3 %s |
| |
| # CHECK3: [ 1] .rodata {{.*}} AL 5 |
| # CHECK3: [ 4] .text.bar {{.*}} AX 0 |
| # CHECK3: [ 5] .text.foo {{.*}} AX 0 |
| # CHECK3: Hex dump of section '.rodata': |
| # CHECK3-NEXT: 01000302 |
| |
| ## Non-contiguous SHF_LINK_ORDER sections, separated by a non-SHF_LINK_ORDER section. |
| # RUN: echo 'SECTIONS { .rodata : {*(.rodata.foo) *(.text) *(.rodata.bar)} }' > %t4.lds |
| # RUN: ld.lld -T %t4.lds %t.o -o %t4 |
| # RUN: llvm-readelf -x .rodata %t4 | FileCheck --check-prefix=CHECK4 %s |
| |
| # CHECK4: Hex dump of section '.rodata': |
| # CHECK4-NEXT: 01cccccc 0302 |
| |
| ## Non-contiguous SHF_LINK_ORDER sections, separated by a symbol assignment. |
| # RUN: echo 'SECTIONS { .rodata : {*(.rodata.foo) a = .; *(.rodata.bar)} }' > %t5.lds |
| # RUN: ld.lld -T %t5.lds %t.o -o %t5 |
| # RUN: llvm-readelf -S -x .rodata %t5 | FileCheck --check-prefix=CHECK2 %s |
| |
| .global _start |
| _start: |
| |
| .section .ro,"a" |
| .byte 0 |
| |
| .section .text.bar,"a",@progbits |
| .byte 2 |
| .section .text.foo,"a",@progbits |
| .byte 1 |
| .section .rodata.foo,"ao",@progbits,.text.foo |
| .byte 1 |
| ## If the two .rodata.bar sections are in the same InputSectionDescription, |
| ## 03 (sh_link!=0) will be ordered before 02 (sh_link=0). |
| .section .rodata.bar,"a",@progbits |
| .byte 2 |
| .section .rodata.bar,"ao",@progbits,.text.bar |
| .byte 3 |