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llvm-mc: Add option for prefering hex format disassembly.

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Previously there was a separate mode entirely (--hdis vs.
--disassemble). It makes a bit more sense for the immediate printing
style to be a flag for --disassmeble rather than an entirely different
thing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210700 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach 2014-06-11 20:26:40 +00:00
parent 7fa80b45eb
commit 7ca0567652
4 changed files with 14 additions and 14 deletions
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2
test/MC/Disassembler/ARM/hex-immediates.txt
View File

@ -1,4 +1,4 @@
# RUN: llvm-mc -triple=thumbv7-apple-darwin -mcpu=cortex-a8 -hdis < %s | FileCheck %s
# RUN: llvm-mc -triple=thumbv7-apple-darwin -mcpu=cortex-a8 --disassemble --print-imm-hex < %s | FileCheck %s
# CHECK: ldr r4, [pc, #0x20]
0x08 0x4c
# CHECK: sub sp, #0x84

2
test/MC/Disassembler/X86/hex-immediates.txt
View File

@ -1,4 +1,4 @@
# RUN: llvm-mc --hdis %s -triple=x86_64-apple-darwin9 2>&1 | FileCheck %s
# RUN: llvm-mc --print-imm-hex --disassemble %s -triple=x86_64-apple-darwin9 2>&1 | FileCheck %s
# CHECK: movabsq $0x7fffffffffffffff, %rcx
0x48 0xb9 0xff 0xff 0xff 0xff 0xff 0xff 0xff 0x7f

6
test/MC/Disassembler/X86/moffs.txt
View File

@ -1,6 +1,6 @@
# RUN: llvm-mc --hdis %s -triple=i686-linux-gnu-code16 | FileCheck --check-prefix=16 %s
# RUN: llvm-mc --hdis %s -triple=i686-linux-gnu | FileCheck --check-prefix=32 %s
# RUN: llvm-mc --hdis %s -triple=x86_64-linux-gnu | FileCheck --check-prefix=64 %s
# RUN: llvm-mc --disassemble --print-imm-hex %s -triple=i686-linux-gnu-code16 | FileCheck --check-prefix=16 %s
# RUN: llvm-mc --disassemble --print-imm-hex %s -triple=i686-linux-gnu | FileCheck --check-prefix=32 %s
# RUN: llvm-mc --disassemble --print-imm-hex %s -triple=x86_64-linux-gnu | FileCheck --check-prefix=64 %s
# 16: movb 0x5a5a, %al
# 32: movb 0x5a5a5a5a, %al

18
tools/llvm-mc/llvm-mc.cpp
View File

@ -65,6 +65,10 @@ static cl::opt<unsigned>
OutputAsmVariant("output-asm-variant",
cl::desc("Syntax variant to use for output printing"));
static cl::opt<bool>
PrintImmHex("print-imm-hex", cl::init(false),
cl::desc("Prefer hex format for immediate values"));
enum OutputFileType {
OFT_Null,
OFT_AssemblyFile,
@ -167,7 +171,6 @@ enum ActionType {
AC_Assemble,
AC_Disassemble,
AC_MDisassemble,
AC_HDisassemble
};
static cl::opt<ActionType>
@ -181,9 +184,6 @@ Action(cl::desc("Action to perform:"),
"Disassemble strings of hex bytes"),
clEnumValN(AC_MDisassemble, "mdis",
"Marked up disassembly of strings of hex bytes"),
clEnumValN(AC_HDisassemble, "hdis",
"Disassemble strings of hex bytes printing "
"immediates as hex"),
clEnumValEnd));
static const Target *GetTarget(const char *ProgName) {
@ -445,6 +445,11 @@ int main(int argc, char **argv) {
if (FileType == OFT_AssemblyFile) {
IP =
TheTarget->createMCInstPrinter(OutputAsmVariant, *MAI, *MCII, *MRI, *STI);
// Set the display preference for hex vs. decimal immediates.
IP->setPrintImmHex(PrintImmHex);
// Set up the AsmStreamer.
MCCodeEmitter *CE = nullptr;
MCAsmBackend *MAB = nullptr;
if (ShowEncoding) {
@ -480,11 +485,6 @@ int main(int argc, char **argv) {
IP->setUseMarkup(1);
disassemble = true;
break;
case AC_HDisassemble:
assert(IP && "Expected assembly output");
IP->setPrintImmHex(1);
disassemble = true;
break;
case AC_Disassemble:
disassemble = true;
break;