1f166edeb4
Current implementation did not check that symbols is actually defined. Only checked for presence. GNU ld documentation says, "Return 1 if symbol is in the linker global symbol table and is defined before the statement using DEFINED in the script, otherwise return 0." https://sourceware.org/binutils/docs/ld/Builtin-Functions.html#Builtin-Functions Reviewed By: MaskRay Differential Revision: https://reviews.llvm.org/D83758
20 lines
629 B
Plaintext
20 lines
629 B
Plaintext
# REQUIRES: x86
|
|
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/define.s -o %t.o
|
|
# RUN: ld.lld -o %t --script %s %t.o
|
|
# RUN: llvm-objdump --section-headers %t | FileCheck %s
|
|
|
|
EXTERN(extern_defined)
|
|
SECTIONS {
|
|
. = DEFINED(defined) ? 0x11000 : .;
|
|
.foo : { *(.foo*) }
|
|
. = DEFINED(notdefined) ? 0x12000 : 0x13000;
|
|
.bar : { *(.bar*) }
|
|
. = DEFINED(extern_defined) ? 0x14000 : 0x15000;
|
|
.test : { *(.test*) }
|
|
}
|
|
|
|
# CHECK: 1 .foo 00000008 0000000000011000 DATA
|
|
# CHECK: 2 .bar 00000008 0000000000013000 DATA
|
|
# CHECK: 3 .test 00000008 0000000000015000 DATA
|
|
# CHECK: 4 .text 00000000 0000000000015008 TEXT
|