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Re-implement --just-symbols as a regular object file.
I tried a few different designs to find a way to implement it without too much hassle and settled down with this. Unlike before, object files given as arguments for --just-symbols are handled as object files, with an exception that their section tables are handled as if they were all null. Differential Revision: https://reviews.llvm.org/D42025 llvm-svn: 328852
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,20 @@ | ||
# REQUIRES: x86 | ||
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# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o | ||
# RUN: ld.lld %t.o -o %t1.exe -Ttext=0x10000 | ||
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# RUN: ld.lld -just-symbols=%t1.exe -o %t2.exe -cref | FileCheck %s | ||
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# CHECK: Symbol File | ||
# CHECK-NEXT: bar {{.*exe}} | ||
# CHECK-NEXT: foo {{.*exe}} | ||
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.globl foo, bar | ||
foo: | ||
ret | ||
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.section .data | ||
.type bar, @object | ||
.size bar, 40 | ||
bar: | ||
.zero 40 |
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@@ -1,17 +1,20 @@ | ||
# REQUIRES: x86 | ||
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# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %S/Inputs/just-symbols.s -o %t1 | ||
# RUN: ld.lld %t1 -o %t1.exe -Ttext=0x10000 | ||
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o | ||
# RUN: ld.lld %t.o -o %t1.exe -Ttext=0x10000 | ||
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# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t2 | ||
# RUN: ld.lld %t2 -just-symbols=%t1.exe -o %t2.exe | ||
# RUN: ld.lld -just-symbols=%t1.exe -o %t2.exe | ||
# RUN: llvm-readelf -symbols %t2.exe | FileCheck %s | ||
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# CHECK: 0000000000011000 40 OBJECT GLOBAL DEFAULT ABS bar | ||
# CHECK: 0000000000010000 0 NOTYPE GLOBAL DEFAULT ABS foo | ||
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.globl _start | ||
_start: | ||
call foo | ||
call bar | ||
.globl foo, bar | ||
foo: | ||
ret | ||
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.section .data | ||
.type bar, @object | ||
.size bar, 40 | ||
bar: | ||
.zero 40 |