forked from OSchip/llvm-project
137 lines
5.9 KiB
Plaintext
137 lines
5.9 KiB
Plaintext
# REQUIRES: x86
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# RUN: rm -rf %t && split-file %s %t
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# RUN: llvm-mc -filetype=obj -triple=x86_64 %t/a.s -o %t/a.o
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## There is no main linker script. OVERWRITE_SECTIONS defines output section
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## descriptions and follows the usual orphan placement rules.
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# RUN: ld.lld %t/overwrite1.lds %t/a.o -o %t1
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# RUN: llvm-readelf -S %t1 | FileCheck %s --check-prefix=CHECK1
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# CHECK1: Name Type Address Off Size ES Flg Lk Inf Al
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# CHECK1-NEXT: NULL [[#%x,]] [[#%x,]] 000000
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# CHECK1-NEXT: .text PROGBITS [[#%x,]] [[#%x,]] 000001 00 AX 0 0 4
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# CHECK1-NEXT: .foo.text PROGBITS [[#%x,]] [[#%x,]] 000002 00 WAX 0 0 8
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# CHECK1-NEXT: .data PROGBITS [[#%x,]] [[#%x,]] 000001 00 WA 0 0 1
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# CHECK1-NEXT: .comment PROGBITS {{.*}}
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# RUN: ld.lld %t/overwrite1.lds %t/overwrite1.lds %t/a.o -o /dev/null 2>&1 | FileCheck %s --check-prefix=WARN1
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# WARN1: warning: OVERWRITE_SECTIONS specifies duplicate .foo.text
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## The output section description order (.foo.data .foo.text) does not affect
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## the output order.
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# RUN: ld.lld %t/overwrite2.lds %t/a.o -o %t2
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# RUN: llvm-readelf -S -s %t2 | FileCheck %s --check-prefix=CHECK2
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# CHECK2: [Nr] Name Type Address Off Size ES Flg Lk Inf Al
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# CHECK2-NEXT: [ 0] NULL [[#%x,]] [[#%x,]] 000000
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# CHECK2-NEXT: [ 1] .text PROGBITS [[#%x,]] [[#%x,]] 000001 00 AX 0 0 4
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# CHECK2-NEXT: [ 2] .foo.text PROGBITS [[#%x,]] [[#%x,]] 000001 00 AX 0 0 1
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# CHECK2-NEXT: [ 3] .data PROGBITS [[#%x,]] [[#%x,]] 000001 00 WA 0 0 1
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# CHECK2-NEXT: [ 4] .foo.data PROGBITS [[#%x,]] [[#%x,]] 000001 00 WA 0 0 1
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# CHECK2-NEXT: [ 5] .comment PROGBITS {{.*}}
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# CHECK2: Num: Value Size Type Bind Vis Ndx Name
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# CHECK2: [[#]]: [[#%x,ADDR:]] 0 NOTYPE GLOBAL DEFAULT 4 FOO_DATA_START
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# CHECK2-NEXT: [[#]]: {{0*}}[[#ADDR+1]] 0 NOTYPE GLOBAL DEFAULT 4 FOO_DATA_END
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# CHECK2-NEXT: [[#]]: [[#%x,ADDR:]] 0 NOTYPE GLOBAL DEFAULT 2 FOO_TEXT_START
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# CHECK2-NEXT: [[#]]: {{0*}}[[#ADDR+1]] 0 NOTYPE GLOBAL DEFAULT 2 FOO_TEXT_END
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## OVERWRITE_SECTIONS is processed before the main script. The main script
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## specifies the output order. The alignment of .foo.text is specified by
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## OVERWRITE_SECTIONS insteaad of the main script.
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# RUN: ld.lld -T %t/main.lds %t/overwrite1.lds %t/a.o -o %t3 2>&1 | count 0
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# RUN: llvm-readelf -S %t3 | FileCheck %s --check-prefix=CHECK3
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# RUN: ld.lld %t/overwrite1.lds -T %t/main.lds %t/a.o -o %t3 2>&1 | count 0
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# RUN: llvm-readelf -S %t3 | FileCheck %s --check-prefix=CHECK3
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# CHECK3: Name Type Address Off Size ES Flg Lk Inf Al
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# CHECK3-NEXT: NULL [[#%x,]] [[#%x,]] 000000
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# CHECK3-NEXT: .data PROGBITS [[#%x,]] [[#%x,]] 000001 00 WA 0 0 1
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# CHECK3-NEXT: .text PROGBITS [[#%x,]] [[#%x,]] 000001 00 AX 0 0 4
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# CHECK3-NEXT: .foo.text PROGBITS [[#%x,]] [[#%x,]] 000002 00 WAX 0 0 8
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# CHECK3-NEXT: .comment PROGBITS {{.*}}
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# RUN: ld.lld -T %t/main.lds %t/overwrite1.lds %t/a.o -o %t3 --verbose 2>&1 | FileCheck %s --check-prefix=VERBOSE3
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# VERBOSE3: {{.*}}overwrite1.lds:[[#]] overwrites .foo.text
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## If INSERT commands are specified, INSERT commands are processed after overwrite sections.
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# RUN: ld.lld %t/insert.lds %t/overwrite2.lds %t/a.o -o %t4
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# RUN: llvm-readelf -S -s %t4 | FileCheck %s --check-prefix=CHECK4
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# CHECK4: [Nr] Name Type Address Off Size ES Flg Lk Inf Al
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# CHECK4-NEXT: [ 0] NULL [[#%x,]] [[#%x,]] 000000
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# CHECK4-NEXT: [ 1] .text PROGBITS [[#%x,]] [[#%x,]] 000001 00 AX 0 0 4
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# CHECK4-NEXT: [ 2] .data PROGBITS [[#%x,]] [[#%x,]] 000001 00 WA 0 0 1
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# CHECK4-NEXT: [ 3] .foo.data PROGBITS [[#%x,]] [[#%x,]] 000001 00 WA 0 0 1
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# CHECK4-NEXT: [ 4] .foo.text PROGBITS [[#%x,]] [[#%x,]] 000001 00 AX 0 0 1
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# CHECK4-NEXT: [ 5] .comment PROGBITS {{.*}}
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# CHECK4: Num: Value Size Type Bind Vis Ndx Name
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# CHECK4: [[#]]: [[#%x,ADDR:]] 0 NOTYPE GLOBAL DEFAULT 4 FOO_TEXT_START
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# CHECK4-NEXT: [[#]]: {{0*}}[[#ADDR+1]] 0 NOTYPE GLOBAL DEFAULT 4 FOO_TEXT_END
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# CHECK4-NEXT: [[#]]: [[#%x,ADDR:]] 0 NOTYPE GLOBAL DEFAULT 3 FOO_DATA_START
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# CHECK4-NEXT: [[#]]: {{0*}}[[#ADDR+1]] 0 NOTYPE GLOBAL DEFAULT 3 FOO_DATA_END
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## OVERWRITE_SECTIONS describes a section used as an anchor of an insert command.
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## Place .foo.data as an orphan, then insert .foo.text after .foo.data.
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# RUN: ld.lld %t/insert.lds %t/overwrite3.lds %t/a.o -o %t5
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# RUN: llvm-readelf -S -s %t4 | FileCheck %s --check-prefix=CHECK5
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# CHECK5: [Nr] Name Type Address Off Size ES Flg Lk Inf Al
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# CHECK5-NEXT: [ 0] NULL [[#%x,]] [[#%x,]] 000000
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# CHECK5-NEXT: [ 1] .text PROGBITS [[#%x,]] [[#%x,]] 000001 00 AX 0 0 4
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# CHECK5-NEXT: [ 2] .data PROGBITS [[#%x,]] [[#%x,]] 000001 00 WA 0 0 1
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# CHECK5-NEXT: [ 3] .foo.data PROGBITS [[#%x,]] [[#%x,]] 000001 00 WA 0 0 1
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# CHECK5-NEXT: [ 4] .foo.text PROGBITS [[#%x,]] [[#%x,]] 000001 00 AX 0 0 1
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# CHECK5-NEXT: [ 5] .comment PROGBITS {{.*}}
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#--- a.s
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.globl _start
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_start:
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.section .foo.text,"ax"; .byte 1
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.section .foo.data,"aw"; .byte 2
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.section .text.1,"ax"; .byte 3
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.section .data.1,"aw"; .byte 4
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#--- main.lds
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SECTIONS {
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.data : { *(.data*) }
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.foo.data : { *(.foo.data) }
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.text : { *(.text*) }
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.foo.text : ALIGN(16) { *(.foo.text) }
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}
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#--- overwrite1.lds
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OVERWRITE_SECTIONS {
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.foo.text : ALIGN(8) { *(.foo.data .foo.text) }
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}
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#--- overwrite2.lds
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OVERWRITE_SECTIONS {
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.foo.data : { FOO_DATA_START = .; *(.foo.data) FOO_DATA_END = .; }
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.foo.text : { FOO_TEXT_START = .; *(.foo.text) FOO_TEXT_END = .; }
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}
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#--- overwrite3.lds
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OVERWRITE_SECTIONS {
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.foo.data : {}
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}
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#--- insert.lds
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SECTIONS { .foo.text : {} } INSERT AFTER .foo.data;
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#--- err1.lds
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## TODO Fix the diagnostic 'malformed number'
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# RUN: not ld.lld %t/err1.lds %t/a.o -o /dev/null 2>&1 | FileCheck %s -DFILE=%t/err1.lds --check-prefix=ERR1
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# ERR1: error: [[FILE]]:[[#@LINE+2]]: malformed number: =
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OVERWRITE_SECTIONS {
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A = 1;
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}
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