| ## Test that "llvm-objdump --traceback-table" decodes the ControlledStorageInfo, |
| ## AllocaRegister, and extension table of the traceback table. |
| |
| # RUN: yaml2obj %s -o %t.o |
| # RUN: llvm-objdump -d --traceback-table --symbol-description %t.o | \ |
| # RUN: FileCheck --match-full-lines --strict-whitespace %s |
| |
| ## Show that --traceback-table implies --disassemble. |
| # RUN: llvm-objdump --traceback-table --symbol-description %t.o | \ |
| # RUN: FileCheck --match-full-lines --strict-whitespace %s |
| |
| --- !XCOFF |
| FileHeader: |
| MagicNumber: 0x1DF |
| Sections: |
| - Name: .text |
| Flags: [ STYP_TEXT ] |
| SectionData: "9421ffc0000000000000204080000201000000000000000400064164644e756d0000000093e1fffc0000000000002a6080c202072c90000000000004000000036f0000010000000a000001000003666f6f1f0203c000000000002000000000000000000000000000010000000000000100000000000000000000000000123400000000" |
| Symbols: |
| - Name: .AddNum |
| Value: 0 |
| Section: .text |
| Type: 0x20 |
| StorageClass: C_EXT |
| AuxEntries: |
| - Type: AUX_CSECT |
| SectionOrLength: 0x24 |
| SymbolAlignmentAndType: 0x21 |
| StorageMappingClass: XMC_PR |
| - Name: .foo |
| Value: 0x24 |
| Section: .text |
| Type: 0x20 |
| StorageClass: C_EXT |
| AuxEntries: |
| - Type: AUX_CSECT |
| SectionOrLength: 0x5F |
| SymbolAlignmentAndType: 0x21 |
| StorageMappingClass: XMC_PR |
| |
| ## The above .text section data is generated using the compiler command: |
| ## xlc -o test.o -c test.c |
| ## We also modified the binary content of the traceback table in the object file to add vector information |
| ## for function "foo", including ControlledStorageInfo, AllocaRegister, and ExtensionTable. |
| |
| ## test.c: |
| ## int AddNum(int i,intj) { |
| ## return i+j; |
| ## } |
| |
| ## float foo(int i1,float f1,double d1,int i2, float f2) { |
| ## return i1+f1+d1+i2+f2; |
| ## } |
| |
| # CHECK:00000000 (idx: 0) .AddNum[PR]: |
| # CHECK-NEXT: 0: 94 21 ff c0 stwu 1, -64(1) |
| # CHECK-NEXT: 4: 00 00 00 00 # Traceback table start |
| # CHECK-NEXT: 8: 00 # Version = 0 |
| # CHECK-NEXT: 9: 00 # Language = C |
| # CHECK-NEXT: a: 20 # -isGlobalLinkage, -isOutOfLineEpilogOrPrologue |
| # CHECK-NEXT: +hasTraceBackTableOffset, -isInternalProcedure |
| # CHECK-NEXT: -hasControlledStorage, -isTOCless |
| # CHECK-NEXT: -isFloatingPointPresent |
| # CHECK-NEXT: -isFloatingPointOperationLogOrAbortEnabled |
| # CHECK-NEXT: b: 40 # -isInterruptHandler, +isFuncNamePresent, -isAllocaUsed |
| # CHECK-NEXT: OnConditionDirective = 0, -isCRSaved, -isLRSaved |
| # CHECK-NEXT: c: 80 # +isBackChainStored, -isFixup, NumOfFPRsSaved = 0 |
| # CHECK-NEXT: d: 00 # -hasExtensionTable, -hasVectorInfo, NumOfGPRsSaved = 0 |
| # CHECK-NEXT: e: 02 # NumberOfFixedParms = 2 |
| # CHECK-NEXT: f: 01 # NumberOfFPParms = 0, +hasParmsOnStack |
| # CHECK-NEXT: 10: 00 00 00 00 # ParmsType = i, i |
| # CHECK-NEXT: 14: 00 00 00 04 # TraceBackTableOffset = 4 |
| # CHECK-NEXT: 18: 00 06 # FunctionNameLen = 6 |
| # CHECK-NEXT: 1a: 41 64 64 4e # FunctionName = AddNum |
| # CHECK-NEXT: 1e: 75 6d |
| # CHECK-NEXT: 20: 00 00 00 00 # Padding |
| |
| # CHECK:00000024 (idx: 2) .foo[PR]: |
| # CHECK-NEXT: 24: 93 e1 ff fc stw 31, -4(1) |
| # CHECK-NEXT: 28: 00 00 00 00 # Traceback table start |
| # CHECK-NEXT: 2c: 00 # Version = 0 |
| # CHECK-NEXT: 2d: 00 # Language = C |
| # CHECK-NEXT: 2e: 2a # -isGlobalLinkage, -isOutOfLineEpilogOrPrologue |
| # CHECK-NEXT: +hasTraceBackTableOffset, -isInternalProcedure |
| # CHECK-NEXT: +hasControlledStorage, -isTOCless |
| # CHECK-NEXT: +isFloatingPointPresent |
| # CHECK-NEXT: -isFloatingPointOperationLogOrAbortEnabled |
| # CHECK-NEXT: 2f: 60 # -isInterruptHandler, +isFuncNamePresent, +isAllocaUsed |
| # CHECK-NEXT: OnConditionDirective = 0, -isCRSaved, -isLRSaved |
| # CHECK-NEXT: 30: 80 # +isBackChainStored, -isFixup, NumOfFPRsSaved = 0 |
| # CHECK-NEXT: 31: c2 # +hasExtensionTable, +hasVectorInfo, NumOfGPRsSaved = 2 |
| # CHECK-NEXT: 32: 02 # NumberOfFixedParms = 2 |
| # CHECK-NEXT: 33: 07 # NumberOfFPParms = 3, +hasParmsOnStack |
| # CHECK-NEXT: 34: 2c 90 00 00 # ParmsType = i, f, d, i, f, v |
| # CHECK-NEXT: 38: 00 00 00 04 # TraceBackTableOffset = 4 |
| # CHECK-NEXT: 3c: 00 00 00 03 # NumOfCtlAnchors = 3 |
| # CHECK-NEXT: 40: 6f 00 00 01 # ControlledStorageInfoDisp[0] = 1862270977 |
| # CHECK-NEXT: 44: 00 00 00 0a ControlledStorageInfoDisp[1] = 10 |
| # CHECK-NEXT: 48: 00 00 01 00 ControlledStorageInfoDisp[2] = 256 |
| # CHECK-NEXT: 4c: 00 03 # FunctionNameLen = 3 |
| # CHECK-NEXT: 4e: 66 6f 6f # FunctionName = foo |
| # CHECK-NEXT: 51: 1f # AllocaRegister = 31 |
| # CHECK-NEXT: 52: 02 # NumberOfVRSaved = 0, +isVRSavedOnStack, -hasVarArgs |
| # CHECK-NEXT: 53: 03 # NumberOfVectorParms = 1, +hasVMXInstruction |
| # CHECK-NEXT: 54: c0 00 00 00 # VectorParmsInfoString = vf |
| # CHECK-NEXT: 58: 00 00 # Padding |
| # CHECK-NEXT: 5a: 20 # ExtensionTable = TB_SSP_CANARY |
| # CHECK-NEXT: 5b: 00 # Padding |
| # CHECK-NEXT: ... |
| # CHECK-NEXT: 68: 01 00 00 00 |
| # CHECK-NEXT: 6c: 00 00 00 01 |
| # CHECK-NEXT: 70: 00 00 00 00 |
| # CHECK-NEXT: ... |
| # CHECK-NEXT: 7c: 00 12 34 00 |
| # CHECK-NEXT: 80: 00 00 00 |