f34f45fd53
DEFINED(symbol) 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. Can be used to define default values for symbols. Found it in the wild. Differential revision: https://reviews.llvm.org/D24858 llvm-svn: 282245
26 lines
768 B
ArmAsm
26 lines
768 B
ArmAsm
# REQUIRES: x86
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# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
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# RUN: echo "SECTIONS \
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# RUN: { \
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# RUN: . = DEFINED(defined) ? 0x11000 : .; \
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# RUN: .foo : { *(.foo*) } \
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# RUN: . = DEFINED(notdefined) ? 0x12000 : 0x13000; \
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# RUN: .bar : { *(.bar*) } \
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# RUN: }" > %t.script
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# RUN: ld.lld -o %t1 --script %t.script %t
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# RUN: llvm-objdump -section-headers %t1 | FileCheck %s
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# CHECK: 1 .foo 00000008 0000000000011000 DATA
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# CHECK: 2 .bar 00000008 0000000000013000 DATA
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# CHECK: 3 .text 00000000 0000000000013008 TEXT DATA
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.global defined
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defined = 0
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.section .foo,"a"
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.quad 1
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.section .bar,"a"
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.quad 1
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