114 lines
2.6 KiB
Plaintext
114 lines
2.6 KiB
Plaintext
/*
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Tests a simple linker script that changes the order of output sections and
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also changes the address of output sections by using simple expressions.
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This test uses three X86-64 input objects, prog1.o, prog2.o and prog3.o,
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which were created with the following C or assembly code:
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*** prog1.o:
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(command line clang -c prog1.c -o prog1.o)
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const char *prog2();
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void write(int, const char *, int);
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int main() {
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write(1, prog2(), 14);
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}
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*** prog2.o:
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(command line clang -c prog2.c -o prog2.o)
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const char *prog2() {
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return "Hello, world!\n";
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}
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*** prog3.o:
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(command line clang -c prog3.S -o prog3.o)
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.globl write
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write:
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mov $1, %eax
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syscall
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ret
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.globl _start
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_start:
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call main
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mov $60, %eax
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syscall
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ret
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We use the following linker script for this test:
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*/
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ENTRY(_start)
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SECTIONS
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{
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. = 0x500000;
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.text : { prog1.o(.text) }
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.mystring : { prog2.o(.rodata.str1.1) }
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. = . + 0x6000;
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.text.2 : {prog3.o(.text) prog2.o(.text) }
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}
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/*
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RUN: mkdir -p %T
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RUN: yaml2obj -format=elf %p/Inputs/prog1.o.yaml -o=%T/prog1.o
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RUN: yaml2obj -format=elf %p/Inputs/prog2.o.yaml -o=%T/prog2.o
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RUN: yaml2obj -format=elf %p/Inputs/prog3.o.yaml -o=%T/prog3.o
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RUN: cd %T
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RUN: lld -flavor gnu -target x86_64 -T %s prog1.o prog2.o prog3.o \
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RUN: -static -o %t1
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RUN: llvm-readobj -s %t1 | FileCheck -check-prefix CHECKSECTIONS %s
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CHECKSECTIONS: Index: 1
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CHECKSECTIONS: Name: .text
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CHECKSECTIONS: Address: 0x500000
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CHECKSECTIONS: Size: 33
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CHECKSECTIONS: Index: 2
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CHECKSECTIONS: Name: .mystring
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CHECKSECTIONS: Address: 0x500021
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CHECKSECTIONS: Size: 15
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CHECKSECTIONS: Index: 3
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CHECKSECTIONS: Name: .text.2
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CHECKSECTIONS: Address: 0x506030
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CHECKSECTIONS: Size: 48
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RUN: llvm-readobj -symbols %t1 | FileCheck -check-prefix CHECKSYMS %s
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CHECKSYMS: Name: main
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CHECKSYMS-NEXT: Value: 0x500000
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CHECKSYMS: Name: write
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CHECKSYMS-NEXT: Value: 0x506030
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CHECKSYMS: Name: _start
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CHECKSYMS-NEXT: Value: 0x506038
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CHECKSYMS: Name: prog2
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CHECKSYMS-NEXT: Value: 0x506050
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RUN: llvm-readobj -program-headers %t1 | FileCheck -check-prefix CHECKPHDRS %s
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CHECKPHDRS: Type: PT_LOAD (0x1)
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CHECKPHDRS: Offset: 0x1000
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CHECKPHDRS-NEXT: VirtualAddress: 0x500000
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CHECKPHDRS-NEXT: PhysicalAddress: 0x500000
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CHECKPHDRS-NEXT: FileSize: 48
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CHECKPHDRS-NEXT: MemSize: 48
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CHECKPHDRS: Type: PT_LOAD (0x1)
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CHECKPHDRS: Offset: 0x2030
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CHECKPHDRS-NEXT: VirtualAddress: 0x506030
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CHECKPHDRS-NEXT: PhysicalAddress: 0x506030
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CHECKPHDRS-NEXT: FileSize: 168
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CHECKPHDRS-NEXT: MemSize: 168
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*/
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