[llvm] [llvm-gsymutil] Fix dumping of call sites for merged functions (PR #119759)
via llvm-commits
llvm-commits at lists.llvm.org
Thu Dec 12 17:42:05 PST 2024
https://github.com/alx32 updated https://github.com/llvm/llvm-project/pull/119759
>From cd9e6f08b2137c38bc310a5c74f071426e0135af Mon Sep 17 00:00:00 2001
From: Alex B <alexborcan at meta.com>
Date: Thu, 12 Dec 2024 13:08:05 -0800
Subject: [PATCH] [llvm-gsymutil] Improve dumping of callsites for merged
functions
---
llvm/include/llvm/DebugInfo/GSYM/GsymReader.h | 6 +-
llvm/lib/DebugInfo/GSYM/GsymReader.cpp | 13 +-
.../macho-gsym-merged-callsites-dsym.yaml | 1388 +++++++++++++++++
3 files changed, 1401 insertions(+), 6 deletions(-)
create mode 100644 llvm/test/tools/llvm-gsymutil/ARM_AArch64/macho-gsym-merged-callsites-dsym.yaml
diff --git a/llvm/include/llvm/DebugInfo/GSYM/GsymReader.h b/llvm/include/llvm/DebugInfo/GSYM/GsymReader.h
index 72b7f3e7bfc42e..3d532588a70234 100644
--- a/llvm/include/llvm/DebugInfo/GSYM/GsymReader.h
+++ b/llvm/include/llvm/DebugInfo/GSYM/GsymReader.h
@@ -199,7 +199,11 @@ class GsymReader {
/// \param OS The output stream to dump to.
///
/// \param CSIC The CallSiteInfoCollection object to dump.
- void dump(raw_ostream &OS, const CallSiteInfoCollection &CSIC);
+ ///
+ /// \param Indent The indentation as number of spaces. Used when dumping as an
+ /// item from within MergedFunctionsInfo.
+ void dump(raw_ostream &OS, const CallSiteInfoCollection &CSIC,
+ uint32_t Indent = 0);
/// Dump a LineTable object.
///
diff --git a/llvm/lib/DebugInfo/GSYM/GsymReader.cpp b/llvm/lib/DebugInfo/GSYM/GsymReader.cpp
index 7979f1f5d51928..fa5476db191ec4 100644
--- a/llvm/lib/DebugInfo/GSYM/GsymReader.cpp
+++ b/llvm/lib/DebugInfo/GSYM/GsymReader.cpp
@@ -406,13 +406,13 @@ void GsymReader::dump(raw_ostream &OS, const FunctionInfo &FI,
if (FI.Inline)
dump(OS, *FI.Inline, Indent);
+ if (FI.CallSites)
+ dump(OS, *FI.CallSites, Indent);
+
if (FI.MergedFunctions) {
assert(Indent == 0 && "MergedFunctionsInfo should only exist at top level");
dump(OS, *FI.MergedFunctions);
}
-
- if (FI.CallSites)
- dump(OS, *FI.CallSites);
}
void GsymReader::dump(raw_ostream &OS, const MergedFunctionsInfo &MFI) {
@@ -454,10 +454,13 @@ void GsymReader::dump(raw_ostream &OS, const CallSiteInfo &CSI) {
}
}
-void GsymReader::dump(raw_ostream &OS, const CallSiteInfoCollection &CSIC) {
+void GsymReader::dump(raw_ostream &OS, const CallSiteInfoCollection &CSIC,
+ uint32_t Indent) {
+ OS.indent(Indent);
OS << "CallSites (by relative return offset):\n";
for (const auto &CS : CSIC.CallSites) {
- OS.indent(2);
+ OS.indent(Indent);
+ OS << " ";
dump(OS, CS);
OS << "\n";
}
diff --git a/llvm/test/tools/llvm-gsymutil/ARM_AArch64/macho-gsym-merged-callsites-dsym.yaml b/llvm/test/tools/llvm-gsymutil/ARM_AArch64/macho-gsym-merged-callsites-dsym.yaml
new file mode 100644
index 00000000000000..5f4c863948d625
--- /dev/null
+++ b/llvm/test/tools/llvm-gsymutil/ARM_AArch64/macho-gsym-merged-callsites-dsym.yaml
@@ -0,0 +1,1388 @@
+## Test that reconstructs a dSYM file from YAML and generates a callsite-enabled gsym from it - and then verifies the gsym.
+## See llvm/test/tools/llvm-gsymutil/ARM_AArch64/macho-gsym-callsite-info.test for the script to generate this yaml file
+
+# RUN: split-file %s %t
+# RUN: yaml2obj %t/call_sites.dSYM.yaml -o %t/call_sites.dSYM
+
+# RUN: llvm-gsymutil --convert=%t/call_sites.dSYM --callsites-yaml-file=%t/callsites.yaml -o %t/call_sites_dSYM.gsym
+
+# Dump the GSYM file and check the output for callsite information
+# RUN: llvm-gsymutil %t/call_sites_dSYM.gsym | FileCheck --check-prefix=CHECK-GSYM %s
+
+
+# CHECK-GSYM: FunctionInfo @ 0x[[#%x,FUNC_INFO:]]: [0x[[#%x,FUNC_START:]] - 0x[[#%x,FUNC_END:]]) "func_mainBin_dec_call_everything"
+# CHECK-GSYM-NEXT: LineTable:
+# // func_mainBin_dec_call_everything() {
+# CHECK-GSYM-NEXT: 0x[[#%x,ENTRY:]] {{.*}}/call_sites.cpp:16
+# // func_mainBin_dec_01();
+# CHECK-GSYM-NEXT: 0x[[#%x,ADDR_DEC_01_CALL:]] {{.*}}/call_sites.cpp:17
+# // func_mainBin_dec_02();
+# CHECK-GSYM-NEXT: 0x[[#%x,ADDR_DEC_02_CALL:]] {{.*}}/call_sites.cpp:18
+# // func_mainBin_dec_03();
+# CHECK-GSYM-NEXT: 0x[[#%x,ADDR_DEC_03_CALL:]] {{.*}}/call_sites.cpp:19
+# // func_mainBin_inc_01();
+# CHECK-GSYM-NEXT: 0x[[#%x,ADDR_INC_01_CALL:]] {{.*}}/call_sites.cpp:21
+# // func_mainBin_inc_02();
+# CHECK-GSYM-NEXT: 0x[[#%x,ADDR_INC_02_CALL:]] {{.*}}/call_sites.cpp:22
+# // func_mainBin_inc_03();
+# CHECK-GSYM-NEXT: 0x[[#%x,ADDR_INC_03_CALL:]] {{.*}}/call_sites.cpp:23
+# // g_func_ptr();
+# CHECK-GSYM-NEXT: 0x[[#%x,ADDR_FUNC_CALL:]] {{.*}}/call_sites.cpp:25
+# // g_extern_func_ptr();
+# CHECK-GSYM-NEXT: 0x[[#%x,ADDR_EXTERN_FUNC_CALL:]] {{.*}}/call_sites.cpp:26
+# // g_volatile_var = 0;
+# CHECK-GSYM-NEXT: 0x[[#%x,ADDR_VAR_ASSIGN:]] {{.*}}/call_sites.cpp:28
+# // }
+# CHECK-GSYM-NEXT: 0x[[#%x,]] {{.*}}/call_sites.cpp:29
+# CHECK-GSYM-NEXT: CallSites (by relative return offset):
+# CHECK-GSYM-NEXT: 0x[[#%.4x,sub(ADDR_DEC_02_CALL,FUNC_START)]] Flags[InternalCall] MatchRegex[func_mainBin_dec_01]
+# CHECK-GSYM-NEXT: 0x[[#%.4x,sub(ADDR_DEC_03_CALL,FUNC_START)]] Flags[InternalCall] MatchRegex[func_mainBin_dec_02]
+# CHECK-GSYM-NEXT: 0x[[#%.4x,sub(ADDR_INC_01_CALL,FUNC_START)]] Flags[InternalCall] MatchRegex[func_mainBin_dec_03]
+# CHECK-GSYM-NEXT: 0x[[#%.4x,sub(ADDR_INC_02_CALL,FUNC_START)]] Flags[InternalCall] MatchRegex[func_mainBin_inc_01]
+# CHECK-GSYM-NEXT: 0x[[#%.4x,sub(ADDR_INC_03_CALL,FUNC_START)]] Flags[InternalCall] MatchRegex[func_mainBin_inc_02]
+# CHECK-GSYM-NEXT: 0x[[#%.4x,sub(ADDR_FUNC_CALL,FUNC_START)]] Flags[InternalCall] MatchRegex[func_mainBin_inc_03]
+# CHECK-GSYM-NEXT: 0x[[#%.4x,sub(ADDR_EXTERN_FUNC_CALL,FUNC_START)]] Flags[None] MatchRegex[.*func.*]
+# CHECK-GSYM-NEXT: 0x[[#%.4x,sub(ADDR_VAR_ASSIGN,FUNC_START)]] Flags[ExternalCall] MatchRegex[.*extern_func.*]
+
+
+#--- callsites.yaml
+--- !mach-o
+FileHeader:
+ magic: 0xFEEDFACF
+ cputype: 0x100000C
+ cpusubtype: 0x0
+ filetype: 0xA
+ ncmds: 8
+ sizeofcmds: 1472
+ flags: 0x0
+ reserved: 0x0
+LoadCommands:
+ - cmd: LC_UUID
+ cmdsize: 24
+ uuid: 4C4C442F-5555-3144-A1E4-99C5508F990D
+ - cmd: LC_BUILD_VERSION
+ cmdsize: 24
+ platform: 1
+ minos: 720896
+ sdk: 720896
+ ntools: 0
+ - cmd: LC_SYMTAB
+ cmdsize: 24
+ symoff: 4096
+ nsyms: 10
+ stroff: 4256
+ strsize: 156
+ - cmd: LC_SEGMENT_64
+ cmdsize: 72
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+ vmaddr: 4294967296
+ vmsize: 16384
+ fileoff: 0
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+ maxprot: 5
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+ Sections:
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+ segname: __TEXT
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+ - _main
+ - _function4_copy1
+ - _function4_copy2
+ - _function3_copy1
+ - _function3_copy2
+ - _function2_copy1
+ - _function2_copy2
+ - _function1
+ - _global_result
+ - __mh_execute_header
+DWARF:
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+ - 'clang version 20.0.0git (https://github.com/alx32/llvm-project.git 92a15dd7482ff4e1fae7a07f888564e5b1d53eee)'
+ - '/tmp/tst/out/merged_funcs_test.cpp'
+ - '/'
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+ - function4_copy1
+ - a
+ - b
+ - result
+ - function4_copy2
+ - function3_copy1
+ - function3_copy2
+ - function_inlined
+ - function2_copy1
+ - function2_copy2
+ - function1
+ - main
+ - sum
+ debug_abbrev:
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+ Attributes:
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+ - Attribute: DW_AT_decl_file
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+ Form: DW_FORM_ref_addr
+ - Code: 0x8
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+ Children: DW_CHILDREN_yes
+ Attributes:
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+ Form: DW_FORM_addr
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+ Form: DW_FORM_data4
+ - Attribute: DW_AT_LLVM_stmt_sequence
+ Form: DW_FORM_sec_offset
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+ Form: DW_FORM_exprloc
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+ Form: DW_FORM_flag_present
+ - Attribute: DW_AT_name
+ Form: DW_FORM_strp
+ - Attribute: DW_AT_decl_file
+ Form: DW_FORM_data1
+ - Attribute: DW_AT_decl_line
+ Form: DW_FORM_data1
+ - Attribute: DW_AT_type
+ Form: DW_FORM_ref_addr
+ - Attribute: DW_AT_external
+ Form: DW_FORM_flag_present
+ - Attribute: DW_AT_APPLE_optimized
+ Form: DW_FORM_flag_present
+ - Code: 0x9
+ Tag: DW_TAG_variable
+ Children: DW_CHILDREN_no
+ Attributes:
+ - Attribute: DW_AT_name
+ Form: DW_FORM_strp
+ - Attribute: DW_AT_decl_file
+ Form: DW_FORM_data1
+ - Attribute: DW_AT_decl_line
+ Form: DW_FORM_data1
+ - Attribute: DW_AT_type
+ Form: DW_FORM_ref_addr
+ - Code: 0xA
+ Tag: DW_TAG_call_site
+ Children: DW_CHILDREN_no
+ Attributes:
+ - Attribute: DW_AT_call_origin
+ Form: DW_FORM_ref4
+ - Attribute: DW_AT_call_return_pc
+ Form: DW_FORM_addr
+ - Code: 0xB
+ Tag: DW_TAG_subprogram
+ Children: DW_CHILDREN_yes
+ Attributes:
+ - Attribute: DW_AT_name
+ Form: DW_FORM_strp
+ - Attribute: DW_AT_decl_file
+ Form: DW_FORM_data1
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+ Form: DW_FORM_data1
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