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-rw-r--r--llvm/include/llvm/CodeGen/AsmPrinter.h9
-rw-r--r--llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp31
-rw-r--r--llvm/lib/CodeGen/AsmPrinter/DIE.cpp2
-rw-r--r--llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp5
-rw-r--r--llvm/lib/CodeGen/AsmPrinter/DwarfException.cpp11
-rw-r--r--llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp33
-rw-r--r--llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.h11
7 files changed, 45 insertions, 57 deletions
diff --git a/llvm/include/llvm/CodeGen/AsmPrinter.h b/llvm/include/llvm/CodeGen/AsmPrinter.h
index dad5de914a4..1f5e153d7d9 100644
--- a/llvm/include/llvm/CodeGen/AsmPrinter.h
+++ b/llvm/include/llvm/CodeGen/AsmPrinter.h
@@ -252,10 +252,6 @@ namespace llvm {
/// representing an unsigned leb128 value.
void PrintULEB128(unsigned Value) const;
- /// PrintSLEB128 - Print a series of hexidecimal values(separated by commas)
- /// representing a signed leb128 value.
- void PrintSLEB128(int Value) const;
-
//===------------------------------------------------------------------===//
// Emission and print routines
//
@@ -263,16 +259,11 @@ namespace llvm {
/// EOL - Print a newline character to asm stream. If a comment is present
/// then it will be printed first. Comments should not contain '\n'.
void EOL(const Twine &Comment) const;
- void EOL(const Twine &Comment, unsigned Encoding) const;
/// EmitULEB128Bytes - Emit an assembler byte data directive to compose an
/// unsigned leb128 value.
void EmitULEB128Bytes(unsigned Value) const;
- /// EmitSLEB128Bytes - print an assembler byte data directive to compose a
- /// signed leb128 value.
- void EmitSLEB128Bytes(int Value) const;
-
/// EmitInt8 - Emit a byte directive and value.
///
void EmitInt8(int Value) const;
diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 87afee0cc3a..bf3d4241e3b 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -672,22 +672,6 @@ void AsmPrinter::PrintULEB128(unsigned Value) const {
} while (Value);
}
-/// PrintSLEB128 - Print a series of hexadecimal values (separated by commas)
-/// representing a signed leb128 value.
-void AsmPrinter::PrintSLEB128(int Value) const {
- int Sign = Value >> (8 * sizeof(Value) - 1);
- bool IsMore;
-
- do {
- unsigned char Byte = static_cast<unsigned char>(Value & 0x7f);
- Value >>= 7;
- IsMore = Value != Sign || ((Byte ^ Sign) & 0x40) != 0;
- if (IsMore) Byte |= 0x80;
- O << "0x";
- O.write_hex(Byte);
- if (IsMore) O << ", ";
- } while (IsMore);
-}
//===--------------------------------------------------------------------===//
// Emission and print routines
@@ -707,26 +691,13 @@ void AsmPrinter::EOL(const Twine &Comment) const {
/// unsigned leb128 value.
void AsmPrinter::EmitULEB128Bytes(unsigned Value) const {
if (MAI->hasLEB128()) {
- O << "\t.uleb128\t"
- << Value;
+ O << "\t.uleb128\t" << Value;
} else {
O << MAI->getData8bitsDirective();
PrintULEB128(Value);
}
}
-/// EmitSLEB128Bytes - print an assembler byte data directive to compose a
-/// signed leb128 value.
-void AsmPrinter::EmitSLEB128Bytes(int Value) const {
- if (MAI->hasLEB128()) {
- O << "\t.sleb128\t"
- << Value;
- } else {
- O << MAI->getData8bitsDirective();
- PrintSLEB128(Value);
- }
-}
-
/// EmitInt8 - Emit a byte directive and value.
///
void AsmPrinter::EmitInt8(int Value) const {
diff --git a/llvm/lib/CodeGen/AsmPrinter/DIE.cpp b/llvm/lib/CodeGen/AsmPrinter/DIE.cpp
index 9b37963d206..131aa087ca2 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DIE.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DIE.cpp
@@ -200,7 +200,7 @@ void DIEInteger::EmitValue(DwarfPrinter *D, unsigned Form) const {
case dwarf::DW_FORM_ref8: // Fall thru
case dwarf::DW_FORM_data8: Size = 8; break;
case dwarf::DW_FORM_udata: Asm->EmitULEB128Bytes(Integer); return;
- case dwarf::DW_FORM_sdata: Asm->EmitSLEB128Bytes(Integer); return;
+ case dwarf::DW_FORM_sdata: D->EmitSLEB128(Integer, ""); return;
default: llvm_unreachable("DIE Value form not supported yet");
}
Asm->OutStreamer.EmitIntValue(Integer, Size, 0/*addrspace*/);
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 4a762b9f144..a9045bd5d2b 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -2624,7 +2624,7 @@ void DwarfDebug::emitDebugLines() {
// ... otherwise use long hand.
Asm->EmitInt8(dwarf::DW_LNS_advance_line);
Asm->EOL("DW_LNS_advance_line");
- Asm->EmitSLEB128Bytes(Offset); Asm->EOL("Line Offset");
+ EmitSLEB128(Offset, "Line Offset");
Asm->EmitInt8(dwarf::DW_LNS_copy); Asm->EOL("DW_LNS_copy");
}
} else {
@@ -2675,8 +2675,7 @@ void DwarfDebug::emitCommonDebugFrame() {
Asm->EOL("CIE Augmentation");
Asm->EmitULEB128Bytes(1);
Asm->EOL("CIE Code Alignment Factor");
- Asm->EmitSLEB128Bytes(stackGrowth);
- Asm->EOL("CIE Data Alignment Factor");
+ EmitSLEB128(stackGrowth, "CIE Data Alignment Factor");
Asm->EmitInt8(RI->getDwarfRegNum(RI->getRARegister(), false));
Asm->EOL("CIE RA Column");
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfException.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfException.cpp
index 43b1abf05da..0dfb6b6d79c 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfException.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfException.cpp
@@ -177,8 +177,7 @@ void DwarfException::EmitCIE(const Function *PersonalityFn, unsigned Index) {
// Round out reader.
Asm->EmitULEB128Bytes(1);
Asm->EOL("CIE Code Alignment Factor");
- Asm->EmitSLEB128Bytes(stackGrowth);
- Asm->EOL("CIE Data Alignment Factor");
+ EmitSLEB128(stackGrowth, "CIE Data Alignment Factor");
Asm->EmitInt8(RI->getDwarfRegNum(RI->getRARegister(), true));
Asm->EOL("CIE Return Address Column");
@@ -894,17 +893,13 @@ void DwarfException::EmitExceptionTable() {
//
// Used by the runtime to match the type of the thrown exception to the
// type of the catch clauses or the types in the exception specification.
-
- Asm->EmitSLEB128Bytes(Action.ValueForTypeID);
- Asm->EOL("TypeInfo index");
+ EmitSLEB128(Action.ValueForTypeID, "TypeInfo index");
// Action Record
//
// Self-relative signed displacement in bytes of the next action record,
// or 0 if there is no next action record.
-
- Asm->EmitSLEB128Bytes(Action.NextAction);
- Asm->EOL("Next action");
+ EmitSLEB128(Action.NextAction, "Next action");
}
// Emit the Catch TypeInfos.
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp
index 99b46d61a0b..df8b2d2425f 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp
@@ -85,6 +85,36 @@ void DwarfPrinter::EmitEncodingByte(unsigned Val, const char *Desc) {
Asm->OutStreamer.EmitIntValue(Val, 1, 0/*addrspace*/);
}
+/// PrintSLEB128 - Print a series of hexadecimal values (separated by commas)
+/// representing a signed leb128 value.
+static void PrintSLEB128(MCStreamer &O, int Value) {
+ int Sign = Value >> (8 * sizeof(Value) - 1);
+ bool IsMore;
+
+ do {
+ unsigned char Byte = static_cast<unsigned char>(Value & 0x7f);
+ Value >>= 7;
+ IsMore = Value != Sign || ((Byte ^ Sign) & 0x40) != 0;
+ if (IsMore) Byte |= 0x80;
+
+ O.EmitIntValue(Byte, 1, /*addrspace*/0);
+ } while (IsMore);
+}
+
+/// EmitSLEB128 - print the specified signed leb128 value.
+void DwarfPrinter::EmitSLEB128(int Value, const char *Desc) const {
+ if (Asm->VerboseAsm && Desc)
+ Asm->OutStreamer.AddComment(Desc);
+
+ if (MAI->hasLEB128()) {
+ O << "\t.sleb128\t" << Value;
+ Asm->OutStreamer.AddBlankLine();
+ } else {
+ PrintSLEB128(Asm->OutStreamer, Value);
+ }
+}
+
+
/// PrintLabelName - Print label name in form used by Dwarf writer.
///
@@ -267,8 +297,7 @@ void DwarfPrinter::EmitFrameMoves(const char *BaseLabel, unsigned BaseLabelID,
Asm->EOL("DW_CFA_offset_extended_sf");
Asm->EmitULEB128Bytes(Reg);
Asm->EOL("Reg");
- Asm->EmitSLEB128Bytes(Offset);
- Asm->EOL("Offset");
+ EmitSLEB128(Offset, "Offset");
} else if (Reg < 64) {
Asm->EmitInt8(dwarf::DW_CFA_offset + Reg);
Asm->EOL("DW_CFA_offset + Reg (" + Twine(Reg) + ")");
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.h b/llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.h
index d76caf9a4ee..bc285c7cad5 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.h
@@ -87,11 +87,14 @@ public:
/// EmitEncodingByte - Emit a .byte 42 directive that corresponds to an
/// encoding. If verbose assembly output is enabled, we output comments
- /// describing the encoding. Desc is an optional string saying what the
- /// encoding is specifying (e.g. "LSDA").
- void EmitEncodingByte(unsigned Val, const char *Desc = 0);
+ /// describing the encoding. Desc is a string saying what the encoding is
+ /// specifying (e.g. "LSDA").
+ void EmitEncodingByte(unsigned Val, const char *Desc);
+
+ /// EmitSLEB128 - print the specified signed leb128 value.
+ void EmitSLEB128(int Value, const char *Desc) const;
+
-
/// PrintLabelName - Print label name in form used by Dwarf writer.
///
void PrintLabelName(const DWLabel &Label) const {
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