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Move ARM disassembler out of libacc and into the acc command-line tool.

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This commit is contained in:
Jack Palevich 2009-09-09 13:19:34 -07:00
parent d62ae8f12f
commit d5315573d7
8 changed files with 76 additions and 90 deletions
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6
include/acc/acc.h
View file

@ -77,6 +77,12 @@ void accGetScriptLabel(ACCscript* script, const ACCchar * name,
void accGetPragmas(ACCscript* script, ACCsizei* actualStringCount,
ACCsizei maxStringCount, ACCchar** strings);
/* Used to implement disassembly */
void accGetProgramBinary(ACCscript* script,
ACCvoid** base,
ACCsizei* length);
#ifdef __cplusplus
};
#endif

8
libacc/Android.mk
View file

@ -7,10 +7,6 @@ include $(CLEAR_VARS)
LOCAL_MODULE:= libacc
LOCAL_SRC_FILES := acc.cpp
ifeq ($(TARGET_ARCH),arm)
LOCAL_SRC_FILES += disassem.cpp
endif
LOCAL_SHARED_LIBRARIES := libdl libcutils
include $(BUILD_SHARED_LIBRARY)
@ -24,10 +20,6 @@ LOCAL_SRC_FILES := acc.cpp
LOCAL_CFLAGS := -O0 -g
ifeq ($(TARGET_ARCH),arm)
LOCAL_SRC_FILES += disassem.cpp
endif
LOCAL_STATIC_LIBRARIES := libcutils
LOCAL_LDLIBS := -ldl

85
libacc/acc.cpp
View file

@ -39,10 +39,6 @@
#define PROVIDE_X64_CODEGEN
#endif
#ifdef PROVIDE_ARM_CODEGEN
#include "disassem.h"
#endif
#if (defined(__VFP_FP__) && !defined(__SOFTFP__))
#define ARM_USE_VFP
#endif
@ -55,7 +51,6 @@
#define LOG_STACK(...) do {} while(0)
// #define LOG_STACK(...) fprintf (stderr, __VA_ARGS__)
#define ENABLE_ARM_DISASSEMBLY
// #define PROVIDE_TRACE_CODEGEN
// Uncomment to save input to a text file in DEBUG_DUMP_PATTERN
@ -484,11 +479,6 @@ class Compiler : public ErrorSink {
*/
virtual void adjustStackAfterCall(Type* pDecl, int l, bool isIndirect) = 0;
/* Print a disassembly of the assembled code to out. Return
* non-zero if there is an error.
*/
virtual int disassemble(FILE* out) = 0;
/* Generate a symbol at the current PC. t is the head of a
* linked list of addresses to patch.
*/
@ -695,9 +685,9 @@ class Compiler : public ErrorSink {
public:
ARMCodeGenerator() {
#ifdef ARM_USE_VFP
LOGD("Using ARM VFP hardware floating point.");
// LOGD("Using ARM VFP hardware floating point.");
#else
LOGD("Using ARM soft floating point.");
// LOGD("Using ARM soft floating point.");
#endif
}
@ -1764,24 +1754,6 @@ class Compiler : public ErrorSink {
#endif
}
virtual int disassemble(FILE* out) {
#ifdef ENABLE_ARM_DISASSEMBLY
disasmOut = out;
disasm_interface_t di;
di.di_readword = disassemble_readword;
di.di_printaddr = disassemble_printaddr;
di.di_printf = disassemble_printf;
int base = getBase();
int pc = getPC();
for(int i = base; i < pc; i += 4) {
fprintf(out, "%08x: %08x ", i, *(int*) i);
::disasm(&di, i, 0);
}
#endif
return 0;
}
/**
* alignment (in bytes) for this type of data
*/
@ -1833,27 +1805,6 @@ class Compiler : public ErrorSink {
}
private:
static FILE* disasmOut;
static u_int
disassemble_readword(u_int address)
{
return(*((u_int *)address));
}
static void
disassemble_printaddr(u_int address)
{
fprintf(disasmOut, "0x%08x", address);
}
static void
disassemble_printf(const char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
vfprintf(disasmOut, fmt, ap);
va_end(ap);
}
static const int BRANCH_REL_ADDRESS_MASK = 0x00ffffff;
@ -2783,10 +2734,6 @@ class Compiler : public ErrorSink {
return 5;
}
virtual int disassemble(FILE* out) {
return 0;
}
/* output a symbol and patch all calls to it */
virtual void gsym(int t) {
int n;
@ -3114,10 +3061,6 @@ class Compiler : public ErrorSink {
return mpBase->jumpOffset();
}
virtual int disassemble(FILE* out) {
return mpBase->disassemble(out);
}
/* output a symbol and patch all calls to it */
virtual void gsym(int t) {
fprintf(stderr, "gsym(%d)\n", t);
@ -5755,15 +5698,6 @@ public:
return true;
}
int dump(FILE* out) {
fwrite(codeBuf.getBase(), 1, codeBuf.getSize(), out);
return 0;
}
int disassemble(FILE* out) {
return pGen->disassemble(out);
}
/* Look through the symbol table to find a symbol.
* If found, return its value.
*/
@ -5796,10 +5730,14 @@ public:
}
}
void getProgramBinary(ACCvoid** base, ACCsizei* length) {
*base = codeBuf.getBase();
*length = (ACCsizei) codeBuf.getSize();
}
char* getErrorMessage() {
return mErrorBuf.getUnwrapped();
}
};
const char* Compiler::operatorChars =
@ -5813,10 +5751,6 @@ const char Compiler::operatorLevel[] =
2, 2 /* ~ ! */
};
#ifdef PROVIDE_ARM_CODEGEN
FILE* Compiler::ARMCodeGenerator::disasmOut;
#endif
#ifdef PROVIDE_X86_CODEGEN
const int Compiler::X86CodeGenerator::operatorHelper[] = {
0x1, // ++
@ -6014,8 +5948,9 @@ void accGetPragmas(ACCscript* script, ACCsizei* actualStringCount,
}
extern "C"
void accDisassemble(ACCscript* script) {
script->compiler.disassemble(stderr);
void accGetProgramBinary(ACCscript* script,
ACCvoid** base, ACCsizei* length) {
script->compiler.getProgramBinary(base, length);
}

3
libacc/tests/Android.mk
View file

@ -21,7 +21,8 @@ include $(CLEAR_VARS)
LOCAL_MODULE:= acc
LOCAL_SRC_FILES:= \
main.cpp
main.cpp \
disassem.cpp
LOCAL_SHARED_LIBRARIES := \
libacc

0
libacc/armreg.h → libacc/tests/armreg.h
View file

0
libacc/disassem.cpp → libacc/tests/disassem.cpp
View file

0
libacc/disassem.h → libacc/tests/disassem.h
View file

64
libacc/tests/main.cpp
View file

@ -20,6 +20,14 @@
#include <unistd.h>
#endif
#if defined(__arm__)
#define PROVIDE_ARM_DISASSEMBLY
#endif
#ifdef PROVIDE_ARM_DISASSEMBLY
#include "disassem.h"
#endif
#include <acc/acc.h>
@ -29,15 +37,57 @@ int run(MainPtr mainFunc, int argc, char** argv) {
return mainFunc(argc, argv);
}
// Private API for development:
extern "C"
void accDisassemble(ACCscript* script);
ACCvoid* symbolLookup(ACCvoid* pContext, const ACCchar* name) {
return (ACCvoid*) dlsym(RTLD_DEFAULT, name);
}
#ifdef PROVIDE_ARM_DISASSEMBLY
static FILE* disasmOut;
static u_int
disassemble_readword(u_int address)
{
return(*((u_int *)address));
}
static void
disassemble_printaddr(u_int address)
{
fprintf(disasmOut, "0x%08x", address);
}
static void
disassemble_printf(const char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
vfprintf(disasmOut, fmt, ap);
va_end(ap);
}
static int disassemble(ACCscript* script, FILE* out) {
disasmOut = out;
disasm_interface_t di;
di.di_readword = disassemble_readword;
di.di_printaddr = disassemble_printaddr;
di.di_printf = disassemble_printf;
ACCvoid* base;
ACCsizei length;
accGetProgramBinary(script, &base, &length);
unsigned long* pBase = (unsigned long*) base;
unsigned long* pEnd = (unsigned long*) (((unsigned char*) base) + length);
for(unsigned long* pInstruction = pBase; pInstruction < pEnd; pInstruction++) {
fprintf(out, "%08x: %08x ", (int) pInstruction, *pInstruction);
::disasm(&di, (uint) pInstruction, 0);
}
return 0;
}
#endif // PROVIDE_ARM_DISASSEMBLY
int main(int argc, char** argv) {
const char* inFile = NULL;
bool printListing;
@ -121,7 +171,9 @@ int main(int argc, char** argv) {
}
if (printListing) {
accDisassemble(script);
#ifdef PROVIDE_ARM_DISASSEMBLY
disassemble(script, stderr);
#endif
}
if (runResults) {