maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity
llvm-project/lld/test/wasm/merge-string-debug.s

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

42 lines
1.7 KiB
ArmAsm
Raw Normal View History

[lld][WebAssembly] Enable string tail merging in debug sections This is a followup to https://reviews.llvm.org/D97657 which applied string tail merging to data segments. Fixes: https://bugs.llvm.org/show_bug.cgi?id=48828 Differential Revision: https://reviews.llvm.org/D102436
2021-05-13 07:48:34 +08:00
# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %s -o %t.o
# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %p/Inputs/merge-string-debug2.s -o %t2.o
# RUN: wasm-ld %t.o %t2.o -o %t.wasm --no-entry
# RUN: llvm-readobj -x .debug_str %t.wasm | FileCheck %s --check-prefixes CHECK,CHECK-O1
[lld][WebAssembly] Fix for string tail merging and -r/--relocatable Ensure that both SyntheticMergedChunk and all MergeInfoChunks that it comprises are assigned the correct output section. Without this we would crash when outputting relocations in --relocatable mode. Fixes: https://github.com/emscripten-core/emscripten/issues/14220 Differential Revision: https://reviews.llvm.org/D102806
2021-05-20 04:33:24 +08:00
# Check that we -r/--reclocatable can handle string merging too
# RUN: wasm-ld --relocatable %t.o %t2.o -o %t3.o
# RUN: wasm-ld -O1 %t3.o -o %t.wasm --no-entry
# RUN: llvm-readobj -x .debug_str %t.wasm | FileCheck %s --check-prefixes CHECK,CHECK-O1
[lld][WebAssembly] Enable string tail merging in debug sections This is a followup to https://reviews.llvm.org/D97657 which applied string tail merging to data segments. Fixes: https://bugs.llvm.org/show_bug.cgi?id=48828 Differential Revision: https://reviews.llvm.org/D102436
2021-05-13 07:48:34 +08:00
# RUN: wasm-ld -O0 %t.o %t2.o -o %tO0.wasm --no-entry
# RUN: llvm-readobj -x .debug_str %tO0.wasm | FileCheck %s --check-prefixes CHECK,CHECK-O0
[lld][WebAssemlby] Fix for string merging of -dwarf-5 sections We were mistakenly treating `.debug_str_offsets` as a string mergable section when it is not (it contains integers not strings). This is an indication that we really should find a way to store flags for custom sections. Fixes: https://bugs.llvm.org/show_bug.cgi?id=48828 Fixes: https://bugs.chromium.org/p/chromium/issues/detail?id=1172217 Differential Revision: https://reviews.llvm.org/D103486
2021-06-02 03:48:21 +08:00
# RUN: llvm-readobj -x .debug_str_offsets %tO0.wasm | FileCheck %s --check-prefixes CHECK-OFFSETS
[lld][WebAssembly] Enable string tail merging in debug sections This is a followup to https://reviews.llvm.org/D97657 which applied string tail merging to data segments. Fixes: https://bugs.llvm.org/show_bug.cgi?id=48828 Differential Revision: https://reviews.llvm.org/D102436
2021-05-13 07:48:34 +08:00
.section .debug_str,"S",@
[lld][WebAssembly] Fix for string tail merging and -r/--relocatable Ensure that both SyntheticMergedChunk and all MergeInfoChunks that it comprises are assigned the correct output section. Without this we would crash when outputting relocations in --relocatable mode. Fixes: https://github.com/emscripten-core/emscripten/issues/14220 Differential Revision: https://reviews.llvm.org/D102806
2021-05-20 04:33:24 +08:00
.Linfo_string0:
[lld][WebAssembly] Enable string tail merging in debug sections This is a followup to https://reviews.llvm.org/D97657 which applied string tail merging to data segments. Fixes: https://bugs.llvm.org/show_bug.cgi?id=48828 Differential Revision: https://reviews.llvm.org/D102436
2021-05-13 07:48:34 +08:00
.asciz "clang version 13.0.0"
[lld][WebAssembly] Fix for string tail merging and -r/--relocatable Ensure that both SyntheticMergedChunk and all MergeInfoChunks that it comprises are assigned the correct output section. Without this we would crash when outputting relocations in --relocatable mode. Fixes: https://github.com/emscripten-core/emscripten/issues/14220 Differential Revision: https://reviews.llvm.org/D102806
2021-05-20 04:33:24 +08:00
.Linfo_string1:
[lld][WebAssembly] Enable string tail merging in debug sections This is a followup to https://reviews.llvm.org/D97657 which applied string tail merging to data segments. Fixes: https://bugs.llvm.org/show_bug.cgi?id=48828 Differential Revision: https://reviews.llvm.org/D102436
2021-05-13 07:48:34 +08:00
.asciz "foobar"
[lld][WebAssembly] Fix for string tail merging and -r/--relocatable Ensure that both SyntheticMergedChunk and all MergeInfoChunks that it comprises are assigned the correct output section. Without this we would crash when outputting relocations in --relocatable mode. Fixes: https://github.com/emscripten-core/emscripten/issues/14220 Differential Revision: https://reviews.llvm.org/D102806
2021-05-20 04:33:24 +08:00
.section .debug_other,"",@
.int32 .Linfo_string0
[lld][WebAssemlby] Fix for string merging of -dwarf-5 sections We were mistakenly treating `.debug_str_offsets` as a string mergable section when it is not (it contains integers not strings). This is an indication that we really should find a way to store flags for custom sections. Fixes: https://bugs.llvm.org/show_bug.cgi?id=48828 Fixes: https://bugs.chromium.org/p/chromium/issues/detail?id=1172217 Differential Revision: https://reviews.llvm.org/D103486
2021-06-02 03:48:21 +08:00
.section .debug_str_offsets,"",@
.int32 .Linfo_string0
.int32 .Linfo_string0
.int32 .Linfo_string0
[lld][WebAssembly] Enable string tail merging in debug sections This is a followup to https://reviews.llvm.org/D97657 which applied string tail merging to data segments. Fixes: https://bugs.llvm.org/show_bug.cgi?id=48828 Differential Revision: https://reviews.llvm.org/D102436
2021-05-13 07:48:34 +08:00
# CHECK: Hex dump of section '.debug_str':
# CHECK-O0: 0x00000000 636c616e 67207665 7273696f 6e203133 clang version 13
# CHECK-O0: 0x00000010 2e302e30 00666f6f 62617200 636c616e .0.0.foobar.clan
# CHECK-O0: 0x00000020 67207665 7273696f 6e203133 2e302e30 g version 13.0.0
# CHECK-O0: 0x00000030 00626172 00666f6f 00 .bar.foo.
# CHECK-O1: 0x00000000 666f6f62 61720066 6f6f0063 6c616e67 foobar.foo.clang
# CHECK-O1: 0x00000010 20766572 73696f6e 2031332e 302e3000 version 13.0.0.
[lld][WebAssemlby] Fix for string merging of -dwarf-5 sections We were mistakenly treating `.debug_str_offsets` as a string mergable section when it is not (it contains integers not strings). This is an indication that we really should find a way to store flags for custom sections. Fixes: https://bugs.llvm.org/show_bug.cgi?id=48828 Fixes: https://bugs.chromium.org/p/chromium/issues/detail?id=1172217 Differential Revision: https://reviews.llvm.org/D103486
2021-06-02 03:48:21 +08:00
# CHECK-OFFSETS: Hex dump of section '.debug_str_offsets':
# CHECK-OFFSETS: 0x00000000 00000000 00000000 00000000 ............