aboutsummaryrefslogtreecommitdiffstats
path: root/lib/Target/X86/Disassembler
diff options
context:
space:
mode:
authorStephen Hines <srhines@google.com>2013-01-21 13:15:17 -0800
committerStephen Hines <srhines@google.com>2013-01-21 13:15:17 -0800
commit059800f9e3fee2852672f846d91a2da14da7783a (patch)
treea6ef16b7263252ae1b8069295ea9cbbae0d9467d /lib/Target/X86/Disassembler
parentcbefa15de4821975bb99fc6d74b3bdb42b2df45c (diff)
parentb6714227eda5d499f7667fc865f931126a8dc488 (diff)
downloadexternal_llvm-059800f9e3fee2852672f846d91a2da14da7783a.zip
external_llvm-059800f9e3fee2852672f846d91a2da14da7783a.tar.gz
external_llvm-059800f9e3fee2852672f846d91a2da14da7783a.tar.bz2
Merge remote-tracking branch 'upstream/master' into merge-llvm
Conflicts: lib/CodeGen/AsmPrinter/AsmPrinter.cpp lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp lib/MC/MCAssembler.cpp lib/Support/Atomic.cpp lib/Support/Memory.cpp lib/Target/ARM/ARMJITInfo.cpp Change-Id: Ib339baf88df5b04870c8df1bedcfe1f877ccab8d
Diffstat (limited to 'lib/Target/X86/Disassembler')
-rw-r--r--lib/Target/X86/Disassembler/X86Disassembler.cpp9
-rw-r--r--lib/Target/X86/Disassembler/X86Disassembler.h6
-rw-r--r--lib/Target/X86/Disassembler/X86DisassemblerDecoder.c8
-rw-r--r--lib/Target/X86/Disassembler/X86DisassemblerDecoder.h2
-rw-r--r--lib/Target/X86/Disassembler/X86DisassemblerDecoderCommon.h5
5 files changed, 14 insertions, 16 deletions
diff --git a/lib/Target/X86/Disassembler/X86Disassembler.cpp b/lib/Target/X86/Disassembler/X86Disassembler.cpp
index f136927..ca6f80c 100644
--- a/lib/Target/X86/Disassembler/X86Disassembler.cpp
+++ b/lib/Target/X86/Disassembler/X86Disassembler.cpp
@@ -16,11 +16,9 @@
#include "X86Disassembler.h"
#include "X86DisassemblerDecoder.h"
-
-#include "llvm/MC/EDInstInfo.h"
-#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCDisassembler.h"
+#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCSubtargetInfo.h"
@@ -33,7 +31,6 @@
#include "X86GenRegisterInfo.inc"
#define GET_INSTRINFO_ENUM
#include "X86GenInstrInfo.inc"
-#include "X86GenEDInfo.inc"
using namespace llvm;
using namespace llvm::X86Disassembler;
@@ -84,10 +81,6 @@ X86GenericDisassembler::~X86GenericDisassembler() {
delete MII;
}
-const EDInstInfo *X86GenericDisassembler::getEDInfo() const {
- return instInfoX86;
-}
-
/// regionReader - a callback function that wraps the readByte method from
/// MemoryObject.
///
diff --git a/lib/Target/X86/Disassembler/X86Disassembler.h b/lib/Target/X86/Disassembler/X86Disassembler.h
index 0dbfa26..b92427a 100644
--- a/lib/Target/X86/Disassembler/X86Disassembler.h
+++ b/lib/Target/X86/Disassembler/X86Disassembler.h
@@ -78,7 +78,7 @@
uint16_t operands;
#define INSTRUCTION_IDS \
- unsigned instructionIDs;
+ uint16_t instructionIDs;
#include "X86DisassemblerDecoderCommon.h"
@@ -95,8 +95,6 @@ class MCSubtargetInfo;
class MemoryObject;
class raw_ostream;
-struct EDInstInfo;
-
namespace X86Disassembler {
/// X86GenericDisassembler - Generic disassembler for all X86 platforms.
@@ -122,8 +120,6 @@ public:
raw_ostream &vStream,
raw_ostream &cStream) const;
- /// getEDInfo - See MCDisassembler.
- const EDInstInfo *getEDInfo() const;
private:
DisassemblerMode fMode;
};
diff --git a/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c b/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c
index af444d1..85d8a99 100644
--- a/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c
+++ b/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c
@@ -138,6 +138,10 @@ static InstrUID decode(OpcodeType type,
if (modFromModRM(modRM) == 0x3)
return modRMTable[dec->instructionIDs+((modRM & 0x38) >> 3)+8];
return modRMTable[dec->instructionIDs+((modRM & 0x38) >> 3)];
+ case MODRM_SPLITMISC:
+ if (modFromModRM(modRM) == 0x3)
+ return modRMTable[dec->instructionIDs+(modRM & 0x3f)+8];
+ return modRMTable[dec->instructionIDs+((modRM & 0x38) >> 3)];
case MODRM_FULL:
return modRMTable[dec->instructionIDs+modRM];
}
@@ -690,7 +694,7 @@ static int getIDWithAttrMask(uint16_t* instructionID,
* @param orig - The instruction that is not 16-bit
* @param equiv - The instruction that is 16-bit
*/
-static BOOL is16BitEquvalent(const char* orig, const char* equiv) {
+static BOOL is16BitEquivalent(const char* orig, const char* equiv) {
off_t i;
for (i = 0;; i++) {
@@ -856,7 +860,7 @@ static int getID(struct InternalInstruction* insn, const void *miiArg) {
specWithOpSizeName =
x86DisassemblerGetInstrName(instructionIDWithOpsize, miiArg);
- if (is16BitEquvalent(specName, specWithOpSizeName)) {
+ if (is16BitEquivalent(specName, specWithOpSizeName)) {
insn->instructionID = instructionIDWithOpsize;
insn->spec = specifierForUID(instructionIDWithOpsize);
} else {
diff --git a/lib/Target/X86/Disassembler/X86DisassemblerDecoder.h b/lib/Target/X86/Disassembler/X86DisassemblerDecoder.h
index 05cbb4c..407ead3 100644
--- a/lib/Target/X86/Disassembler/X86DisassemblerDecoder.h
+++ b/lib/Target/X86/Disassembler/X86DisassemblerDecoder.h
@@ -24,7 +24,7 @@ extern "C" {
uint16_t operands;
#define INSTRUCTION_IDS \
- unsigned instructionIDs;
+ uint16_t instructionIDs;
#include "X86DisassemblerDecoderCommon.h"
diff --git a/lib/Target/X86/Disassembler/X86DisassemblerDecoderCommon.h b/lib/Target/X86/Disassembler/X86DisassemblerDecoderCommon.h
index b0a0e1e..23dfe4b 100644
--- a/lib/Target/X86/Disassembler/X86DisassemblerDecoderCommon.h
+++ b/lib/Target/X86/Disassembler/X86DisassemblerDecoderCommon.h
@@ -160,6 +160,10 @@ typedef uint16_t InstrUID;
* MODRM_SPLITRM - If the ModR/M byte is between 0x00 and 0xbf, the opcode
* corresponds to one instruction; otherwise, it corresponds to
* a different instruction.
+ * MODRM_SPLITMISC- If the ModR/M byte is between 0x00 and 0xbf, ModR/M byte
+ * divided by 8 is used to select instruction; otherwise, each
+ * value of the ModR/M byte could correspond to a different
+ * instruction.
* MODRM_SPLITREG - ModR/M byte divided by 8 is used to select instruction. This
corresponds to instructions that use reg field as opcode
* MODRM_FULL - Potentially, each value of the ModR/M byte could correspond
@@ -169,6 +173,7 @@ typedef uint16_t InstrUID;
#define MODRMTYPES \
ENUM_ENTRY(MODRM_ONEENTRY) \
ENUM_ENTRY(MODRM_SPLITRM) \
+ ENUM_ENTRY(MODRM_SPLITMISC) \
ENUM_ENTRY(MODRM_SPLITREG) \
ENUM_ENTRY(MODRM_FULL)