Re-introducing support for the i486 architecture
This commit is contained in:
parent
cc628191ce
commit
d2b40c3379
4
Makefile
4
Makefile
@ -50,11 +50,14 @@ dist:
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$(PACKAGE)-$(VERSION)/src/token.h \
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$(PACKAGE)-$(VERSION)/src/token.h \
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$(PACKAGE)-$(VERSION)/src/project.conf \
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$(PACKAGE)-$(VERSION)/src/project.conf \
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$(PACKAGE)-$(VERSION)/src/arch/i386.c \
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$(PACKAGE)-$(VERSION)/src/arch/i386.c \
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$(PACKAGE)-$(VERSION)/src/arch/i486.c \
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$(PACKAGE)-$(VERSION)/src/arch/sparc.c \
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$(PACKAGE)-$(VERSION)/src/arch/sparc.c \
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$(PACKAGE)-$(VERSION)/src/arch/Makefile \
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$(PACKAGE)-$(VERSION)/src/arch/Makefile \
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$(PACKAGE)-$(VERSION)/src/arch/common.ins \
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$(PACKAGE)-$(VERSION)/src/arch/common.ins \
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$(PACKAGE)-$(VERSION)/src/arch/i386.h \
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$(PACKAGE)-$(VERSION)/src/arch/i386.ins \
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$(PACKAGE)-$(VERSION)/src/arch/i386.ins \
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$(PACKAGE)-$(VERSION)/src/arch/i386.reg \
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$(PACKAGE)-$(VERSION)/src/arch/i386.reg \
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$(PACKAGE)-$(VERSION)/src/arch/i486.ins \
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$(PACKAGE)-$(VERSION)/src/arch/null.ins \
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$(PACKAGE)-$(VERSION)/src/arch/null.ins \
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$(PACKAGE)-$(VERSION)/src/arch/sparc.ins \
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$(PACKAGE)-$(VERSION)/src/arch/sparc.ins \
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$(PACKAGE)-$(VERSION)/src/arch/sparc.reg \
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$(PACKAGE)-$(VERSION)/src/arch/sparc.reg \
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@ -67,6 +70,7 @@ dist:
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$(PACKAGE)-$(VERSION)/src/format/Makefile \
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$(PACKAGE)-$(VERSION)/src/format/Makefile \
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$(PACKAGE)-$(VERSION)/src/format/project.conf \
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$(PACKAGE)-$(VERSION)/src/format/project.conf \
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$(PACKAGE)-$(VERSION)/test/i386.S \
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$(PACKAGE)-$(VERSION)/test/i386.S \
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$(PACKAGE)-$(VERSION)/test/i486.S \
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$(PACKAGE)-$(VERSION)/test/sparc.S \
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$(PACKAGE)-$(VERSION)/test/sparc.S \
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$(PACKAGE)-$(VERSION)/test/Makefile \
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$(PACKAGE)-$(VERSION)/test/Makefile \
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$(PACKAGE)-$(VERSION)/test/project.conf \
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$(PACKAGE)-$(VERSION)/test/project.conf \
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@ -1,4 +1,4 @@
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TARGETS = i386.so sparc.so
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TARGETS = i386.so i486.so sparc.so
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PREFIX = /usr/local
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PREFIX = /usr/local
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DESTDIR =
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DESTDIR =
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LIBDIR = $(PREFIX)/lib
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LIBDIR = $(PREFIX)/lib
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@ -25,6 +25,13 @@ i386_LDFLAGS = $(LDFLAGSF) $(LDFLAGS)
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i386.so: $(i386_OBJS)
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i386.so: $(i386_OBJS)
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$(LD) -o i386.so $(i386_OBJS) $(i386_LDFLAGS)
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$(LD) -o i386.so $(i386_OBJS) $(i386_LDFLAGS)
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i486_OBJS = i486.o
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i486_CFLAGS = $(CPPFLAGSF) $(CPPFLAGS) $(CFLAGSF) $(CFLAGS)
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i486_LDFLAGS = $(LDFLAGSF) $(LDFLAGS)
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i486.so: $(i486_OBJS)
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$(LD) -o i486.so $(i486_OBJS) $(i486_LDFLAGS)
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sparc_OBJS = sparc.o
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sparc_OBJS = sparc.o
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sparc_CFLAGS = $(CPPFLAGSF) $(CPPFLAGS) $(CFLAGSF) $(CFLAGS)
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sparc_CFLAGS = $(CPPFLAGSF) $(CPPFLAGS) $(CFLAGSF) $(CFLAGS)
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sparc_LDFLAGS = $(LDFLAGSF) $(LDFLAGS)
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sparc_LDFLAGS = $(LDFLAGSF) $(LDFLAGS)
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@ -32,14 +39,17 @@ sparc_LDFLAGS = $(LDFLAGSF) $(LDFLAGS)
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sparc.so: $(sparc_OBJS)
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sparc.so: $(sparc_OBJS)
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$(LD) -o sparc.so $(sparc_OBJS) $(sparc_LDFLAGS)
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$(LD) -o sparc.so $(sparc_OBJS) $(sparc_LDFLAGS)
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i386.o: i386.c common.ins null.ins i386.ins i386.reg
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i386.o: i386.c common.ins null.ins i386.h i386.ins i386.reg
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$(CC) $(i386_CFLAGS) -c i386.c
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$(CC) $(i386_CFLAGS) -c i386.c
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i486.o: i486.c common.ins null.ins i386.h i386.ins i386.reg i486.ins
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$(CC) $(i486_CFLAGS) -c i486.c
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sparc.o: sparc.c common.ins null.ins sparc.ins sparc.reg
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sparc.o: sparc.c common.ins null.ins sparc.ins sparc.reg
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$(CC) $(sparc_CFLAGS) -c sparc.c
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$(CC) $(sparc_CFLAGS) -c sparc.c
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clean:
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clean:
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$(RM) -- $(i386_OBJS) $(sparc_OBJS)
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$(RM) -- $(i386_OBJS) $(i486_OBJS) $(sparc_OBJS)
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distclean: clean
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distclean: clean
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$(RM) -- $(TARGETS)
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$(RM) -- $(TARGETS)
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@ -48,10 +58,13 @@ install: $(TARGETS)
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$(MKDIR) $(DESTDIR)$(LIBDIR)/asm/arch
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$(MKDIR) $(DESTDIR)$(LIBDIR)/asm/arch
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$(INSTALL) -m 0644 -- i386.so $(DESTDIR)$(LIBDIR)/asm/arch/i386.so
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$(INSTALL) -m 0644 -- i386.so $(DESTDIR)$(LIBDIR)/asm/arch/i386.so
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$(MKDIR) $(DESTDIR)$(LIBDIR)/asm/arch
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$(MKDIR) $(DESTDIR)$(LIBDIR)/asm/arch
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$(INSTALL) -m 0644 -- i486.so $(DESTDIR)$(LIBDIR)/asm/arch/i486.so
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$(MKDIR) $(DESTDIR)$(LIBDIR)/asm/arch
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$(INSTALL) -m 0644 -- sparc.so $(DESTDIR)$(LIBDIR)/asm/arch/sparc.so
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$(INSTALL) -m 0644 -- sparc.so $(DESTDIR)$(LIBDIR)/asm/arch/sparc.so
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uninstall:
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uninstall:
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$(RM) -- $(DESTDIR)$(LIBDIR)/asm/arch/i386.so
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$(RM) -- $(DESTDIR)$(LIBDIR)/asm/arch/i386.so
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$(RM) -- $(DESTDIR)$(LIBDIR)/asm/arch/i486.so
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$(RM) -- $(DESTDIR)$(LIBDIR)/asm/arch/sparc.so
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$(RM) -- $(DESTDIR)$(LIBDIR)/asm/arch/sparc.so
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.PHONY: all clean distclean install uninstall
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.PHONY: all clean distclean install uninstall
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234
src/arch/i386.c
234
src/arch/i386.c
@ -59,9 +59,8 @@ static ArchInstruction _i386_instructions[] =
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};
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};
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/* prototypes */
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/* functions */
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static int _i386_write(ArchPlugin * plugin, ArchInstruction * instruction,
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#include "i386.h"
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ArchInstructionCall * call);
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/* public */
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/* public */
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@ -77,232 +76,3 @@ ArchPlugin arch_plugin =
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_i386_write,
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_i386_write,
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NULL
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NULL
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};
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};
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/* functions */
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static int _write_dregister(ArchPlugin * plugin, uint32_t * i,
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ArchOperandDefinition * definitions, ArchOperand * operands);
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static int _write_immediate(ArchPlugin * plugin,
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ArchOperandDefinition definition, ArchOperand * operand);
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static int _write_immediate8(ArchPlugin * plugin, uint8_t value);
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static int _write_immediate16(ArchPlugin * plugin, uint16_t value);
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static int _write_immediate32(ArchPlugin * plugin, uint32_t value);
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static int _write_opcode(ArchPlugin * plugin, ArchInstruction * instruction);
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static int _write_operand(ArchPlugin * plugin, uint32_t * i,
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ArchOperandDefinition * definitions, ArchOperand * operands);
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static int _write_register(ArchPlugin * plugin, uint32_t * i,
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ArchOperandDefinition * definitions, ArchOperand * operands);
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static int _i386_write(ArchPlugin * plugin, ArchInstruction * instruction,
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ArchInstructionCall * call)
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{
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uint32_t i;
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ArchOperandDefinition definitions[3];
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#ifdef DEBUG
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fprintf(stderr, "DEBUG: %s(\"%s\")\n", __func__, instruction->name);
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#endif
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if(_write_opcode(plugin, instruction) != 0)
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return -1;
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definitions[0] = instruction->op1;
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definitions[1] = instruction->op2;
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definitions[2] = instruction->op3;
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for(i = 0; i < call->operands_cnt; i++)
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if(_write_operand(plugin, &i, definitions, call->operands) != 0)
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return -1;
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return 0;
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}
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static int _write_dregister(ArchPlugin * plugin, uint32_t * i,
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ArchOperandDefinition * definitions, ArchOperand * operands)
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{
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ArchPluginHelper * helper = plugin->helper;
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ArchOperandDefinition definition = definitions[*i];
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ArchOperand * operand = &operands[*i];
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char const * name = operand->value._register.name;
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size_t size = AO_GET_SIZE(definition);
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ArchRegister * ar;
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ArchOperandDefinition idefinition;
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ArchOperand ioperand;
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if((ar = helper->get_register_by_name_size(helper->arch, name, size))
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== NULL)
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return -1;
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/* write register */
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idefinition = AO_IMMEDIATE(0, 0, 8);
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memset(&ioperand, 0, sizeof(ioperand));
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ioperand.type = AOT_IMMEDIATE;
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ioperand.value.immediate.value = ar->id;
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if(AO_GET_FLAGS(definition) & AOF_I386_MODRM
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&& AO_GET_VALUE(definition) == 8) /* mod r/m, /r */
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{
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(*i)++; /* skip next operand */
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/* FIXME it could as well be an inverted /r */
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name = operands[*i].value._register.name;
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size = AO_GET_SIZE(definitions[*i]);
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if((ar = helper->get_register_by_name_size(helper->arch, name,
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size)) == NULL)
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return -1;
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ioperand.value.immediate.value |= (ar->id << 3);
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}
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else if(AO_GET_FLAGS(definition) & AOF_I386_MODRM) /* mod r/m, /[0-7] */
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ioperand.value.immediate.value |= (AO_GET_VALUE(definition)
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<< 3);
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if(operand->value.dregister.offset == 0)
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/* there is no offset */
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return _write_immediate(plugin, idefinition, &ioperand);
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/* declare offset */
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switch(AO_GET_OFFSET(definition) >> 3)
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{
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case sizeof(uint8_t):
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ioperand.value.immediate.value |= 0x40;
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break;
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case W >> 3:
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ioperand.value.immediate.value |= 0x80;
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break;
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default:
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return -1; /* FIXME report error */
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}
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if(_write_immediate(plugin, idefinition, &ioperand) != 0)
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return -1;
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/* write offset */
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idefinition = AO_IMMEDIATE(0, 0, AO_GET_OFFSET(definition));
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ioperand.value.immediate.value = operand->value.dregister.offset;
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return _write_immediate(plugin, idefinition, &ioperand);
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}
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static int _write_immediate(ArchPlugin * plugin,
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ArchOperandDefinition definition, ArchOperand * operand)
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{
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uint64_t value = operand->value.immediate.value;
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if((AO_GET_FLAGS(definition) & AOF_SIGNED)
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&& operand->value.immediate.negative != 0)
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value = -value;
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switch(AO_GET_SIZE(definition) >> 3)
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{
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case 0:
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return 0;
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case sizeof(uint8_t):
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return _write_immediate8(plugin, value);
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case sizeof(uint16_t):
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return _write_immediate16(plugin, value);
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case sizeof(uint32_t):
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return _write_immediate32(plugin, value);
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default:
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return -1;
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}
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}
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static int _write_immediate8(ArchPlugin * plugin, uint8_t value)
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{
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if(fwrite(&value, sizeof(value), 1, plugin->helper->fp) != 1)
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return -1;
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return 0;
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}
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static int _write_immediate16(ArchPlugin * plugin, uint16_t value)
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{
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value = _htol16(value);
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if(fwrite(&value, sizeof(value), 1, plugin->helper->fp) != 1)
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return -1;
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return 0;
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}
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static int _write_immediate32(ArchPlugin * plugin, uint32_t value)
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{
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value = _htol32(value);
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if(fwrite(&value, sizeof(value), 1, plugin->helper->fp) != 1)
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return -1;
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return 0;
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}
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static int _write_opcode(ArchPlugin * plugin, ArchInstruction * instruction)
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{
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ArchOperand operand;
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#ifdef DEBUG
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fprintf(stderr, "DEBUG: %s() size=%u opcode=0x%x\n", __func__,
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AO_GET_SIZE(instruction->flags), instruction->opcode);
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#endif
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memset(&operand, 0, sizeof(operand));
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operand.type = AOT_IMMEDIATE;
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switch(AO_GET_SIZE(instruction->flags) >> 3)
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{
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case sizeof(uint8_t):
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operand.value.immediate.value = instruction->opcode;
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break;
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case sizeof(uint16_t):
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operand.value.immediate.value = _htob16(
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instruction->opcode);
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break;
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case sizeof(uint32_t):
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operand.value.immediate.value = _htob32(
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instruction->opcode);
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break;
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default:
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return -1; /* FIXME report error */
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}
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return _write_immediate(plugin, instruction->flags, &operand);
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}
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static int _write_operand(ArchPlugin * plugin, uint32_t * i,
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ArchOperandDefinition * definitions, ArchOperand * operands)
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{
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switch(operands[*i].type)
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{
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case AOT_DREGISTER:
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return _write_dregister(plugin, i, definitions,
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operands);
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case AOT_IMMEDIATE:
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return _write_immediate(plugin, definitions[*i],
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&operands[*i]);
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case AOT_REGISTER:
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return _write_register(plugin, i, definitions,
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operands);
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}
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return 0;
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}
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static int _write_register(ArchPlugin * plugin, uint32_t * i,
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ArchOperandDefinition * definitions, ArchOperand * operands)
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{
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ArchPluginHelper * helper = plugin->helper;
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ArchOperandDefinition definition = definitions[*i];
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ArchOperand * operand = &operands[*i];
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char const * name = operand->value._register.name;
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size_t size = AO_GET_SIZE(definition);
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ArchRegister * ar;
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ArchOperandDefinition idefinition;
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ArchOperand ioperand;
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if(AO_GET_FLAGS(definition) & AOF_IMPLICIT)
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return 0;
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if((ar = helper->get_register_by_name_size(helper->arch, name, size))
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== NULL)
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return -1;
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/* write register */
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idefinition = AO_IMMEDIATE(0, 0, 8);
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memset(&ioperand, 0, sizeof(ioperand));
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ioperand.type = AOT_IMMEDIATE;
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ioperand.value.immediate.value = ar->id;
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if(AO_GET_FLAGS(definition) & AOF_I386_MODRM
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&& AO_GET_VALUE(definition) == 8) /* mod r/m, /r */
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{
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(*i)++; /* skip next operand */
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/* FIXME it could as well be an inverted /r */
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name = operands[*i].value._register.name;
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size = AO_GET_SIZE(definitions[*i]);
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if((ar = helper->get_register_by_name_size(helper->arch, name,
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size)) == NULL)
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return -1;
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ioperand.value.immediate.value |= 0xc0 | (ar->id << 3);
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}
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else if(AO_GET_FLAGS(definition) & AOF_I386_MODRM) /* mod r/m, /[0-7] */
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ioperand.value.immediate.value = 0xc0 | ar->id
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| (AO_GET_VALUE(definition) << 3);
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else
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ioperand.value.immediate.value = ar->id;
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return _write_immediate(plugin, idefinition, &ioperand);
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}
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|
250
src/arch/i386.h
Normal file
250
src/arch/i386.h
Normal file
@ -0,0 +1,250 @@
|
|||||||
|
/* $Id$ */
|
||||||
|
/* Copyright (c) 2011 Pierre Pronchery <khorben@defora.org> */
|
||||||
|
/* This file is part of DeforaOS Devel asm */
|
||||||
|
/* This program is free software: you can redistribute it and/or modify
|
||||||
|
* it under the terms of the GNU General Public License as published by
|
||||||
|
* the Free Software Foundation, version 3 of the License.
|
||||||
|
*
|
||||||
|
* This program is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
* GNU General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU General Public License
|
||||||
|
* along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
/* i386 */
|
||||||
|
/* private */
|
||||||
|
/* prototypes */
|
||||||
|
static int _i386_write(ArchPlugin * plugin, ArchInstruction * instruction,
|
||||||
|
ArchInstructionCall * call);
|
||||||
|
|
||||||
|
|
||||||
|
/* functions */
|
||||||
|
static int _write_dregister(ArchPlugin * plugin, uint32_t * i,
|
||||||
|
ArchOperandDefinition * definitions, ArchOperand * operands);
|
||||||
|
static int _write_immediate(ArchPlugin * plugin,
|
||||||
|
ArchOperandDefinition definition, ArchOperand * operand);
|
||||||
|
static int _write_immediate8(ArchPlugin * plugin, uint8_t value);
|
||||||
|
static int _write_immediate16(ArchPlugin * plugin, uint16_t value);
|
||||||
|
static int _write_immediate32(ArchPlugin * plugin, uint32_t value);
|
||||||
|
static int _write_opcode(ArchPlugin * plugin, ArchInstruction * instruction);
|
||||||
|
static int _write_operand(ArchPlugin * plugin, uint32_t * i,
|
||||||
|
ArchOperandDefinition * definitions, ArchOperand * operands);
|
||||||
|
static int _write_register(ArchPlugin * plugin, uint32_t * i,
|
||||||
|
ArchOperandDefinition * definitions, ArchOperand * operands);
|
||||||
|
|
||||||
|
static int _i386_write(ArchPlugin * plugin, ArchInstruction * instruction,
|
||||||
|
ArchInstructionCall * call)
|
||||||
|
{
|
||||||
|
uint32_t i;
|
||||||
|
ArchOperandDefinition definitions[3];
|
||||||
|
|
||||||
|
#ifdef DEBUG
|
||||||
|
fprintf(stderr, "DEBUG: %s(\"%s\")\n", __func__, instruction->name);
|
||||||
|
#endif
|
||||||
|
if(_write_opcode(plugin, instruction) != 0)
|
||||||
|
return -1;
|
||||||
|
definitions[0] = instruction->op1;
|
||||||
|
definitions[1] = instruction->op2;
|
||||||
|
definitions[2] = instruction->op3;
|
||||||
|
for(i = 0; i < call->operands_cnt; i++)
|
||||||
|
if(_write_operand(plugin, &i, definitions, call->operands) != 0)
|
||||||
|
return -1;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int _write_dregister(ArchPlugin * plugin, uint32_t * i,
|
||||||
|
ArchOperandDefinition * definitions, ArchOperand * operands)
|
||||||
|
{
|
||||||
|
ArchPluginHelper * helper = plugin->helper;
|
||||||
|
ArchOperandDefinition definition = definitions[*i];
|
||||||
|
ArchOperand * operand = &operands[*i];
|
||||||
|
char const * name = operand->value._register.name;
|
||||||
|
size_t size = AO_GET_SIZE(definition);
|
||||||
|
ArchRegister * ar;
|
||||||
|
ArchOperandDefinition idefinition;
|
||||||
|
ArchOperand ioperand;
|
||||||
|
|
||||||
|
if((ar = helper->get_register_by_name_size(helper->arch, name, size))
|
||||||
|
== NULL)
|
||||||
|
return -1;
|
||||||
|
/* write register */
|
||||||
|
idefinition = AO_IMMEDIATE(0, 0, 8);
|
||||||
|
memset(&ioperand, 0, sizeof(ioperand));
|
||||||
|
ioperand.type = AOT_IMMEDIATE;
|
||||||
|
ioperand.value.immediate.value = ar->id;
|
||||||
|
if(AO_GET_FLAGS(definition) & AOF_I386_MODRM
|
||||||
|
&& AO_GET_VALUE(definition) == 8) /* mod r/m, /r */
|
||||||
|
{
|
||||||
|
(*i)++; /* skip next operand */
|
||||||
|
/* FIXME it could as well be an inverted /r */
|
||||||
|
name = operands[*i].value._register.name;
|
||||||
|
size = AO_GET_SIZE(definitions[*i]);
|
||||||
|
if((ar = helper->get_register_by_name_size(helper->arch, name,
|
||||||
|
size)) == NULL)
|
||||||
|
return -1;
|
||||||
|
ioperand.value.immediate.value |= (ar->id << 3);
|
||||||
|
}
|
||||||
|
else if(AO_GET_FLAGS(definition) & AOF_I386_MODRM) /* mod r/m, /[0-7] */
|
||||||
|
ioperand.value.immediate.value |= (AO_GET_VALUE(definition)
|
||||||
|
<< 3);
|
||||||
|
if(operand->value.dregister.offset == 0)
|
||||||
|
/* there is no offset */
|
||||||
|
return _write_immediate(plugin, idefinition, &ioperand);
|
||||||
|
/* declare offset */
|
||||||
|
switch(AO_GET_OFFSET(definition) >> 3)
|
||||||
|
{
|
||||||
|
case sizeof(uint8_t):
|
||||||
|
ioperand.value.immediate.value |= 0x40;
|
||||||
|
break;
|
||||||
|
case W >> 3:
|
||||||
|
ioperand.value.immediate.value |= 0x80;
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
return -1; /* FIXME report error */
|
||||||
|
}
|
||||||
|
if(_write_immediate(plugin, idefinition, &ioperand) != 0)
|
||||||
|
return -1;
|
||||||
|
/* write offset */
|
||||||
|
idefinition = AO_IMMEDIATE(0, 0, AO_GET_OFFSET(definition));
|
||||||
|
ioperand.value.immediate.value = operand->value.dregister.offset;
|
||||||
|
return _write_immediate(plugin, idefinition, &ioperand);
|
||||||
|
}
|
||||||
|
|
||||||
|
static int _write_immediate(ArchPlugin * plugin,
|
||||||
|
ArchOperandDefinition definition, ArchOperand * operand)
|
||||||
|
{
|
||||||
|
uint64_t value = operand->value.immediate.value;
|
||||||
|
|
||||||
|
if((AO_GET_FLAGS(definition) & AOF_SIGNED)
|
||||||
|
&& operand->value.immediate.negative != 0)
|
||||||
|
value = -value;
|
||||||
|
switch(AO_GET_SIZE(definition) >> 3)
|
||||||
|
{
|
||||||
|
case 0:
|
||||||
|
return 0;
|
||||||
|
case sizeof(uint8_t):
|
||||||
|
return _write_immediate8(plugin, value);
|
||||||
|
case sizeof(uint16_t):
|
||||||
|
return _write_immediate16(plugin, value);
|
||||||
|
case sizeof(uint32_t):
|
||||||
|
return _write_immediate32(plugin, value);
|
||||||
|
default:
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static int _write_immediate8(ArchPlugin * plugin, uint8_t value)
|
||||||
|
{
|
||||||
|
if(fwrite(&value, sizeof(value), 1, plugin->helper->fp) != 1)
|
||||||
|
return -1;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int _write_immediate16(ArchPlugin * plugin, uint16_t value)
|
||||||
|
{
|
||||||
|
value = _htol16(value);
|
||||||
|
if(fwrite(&value, sizeof(value), 1, plugin->helper->fp) != 1)
|
||||||
|
return -1;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int _write_immediate32(ArchPlugin * plugin, uint32_t value)
|
||||||
|
{
|
||||||
|
value = _htol32(value);
|
||||||
|
if(fwrite(&value, sizeof(value), 1, plugin->helper->fp) != 1)
|
||||||
|
return -1;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int _write_opcode(ArchPlugin * plugin, ArchInstruction * instruction)
|
||||||
|
{
|
||||||
|
ArchOperand operand;
|
||||||
|
|
||||||
|
#ifdef DEBUG
|
||||||
|
fprintf(stderr, "DEBUG: %s() size=%u opcode=0x%x\n", __func__,
|
||||||
|
AO_GET_SIZE(instruction->flags), instruction->opcode);
|
||||||
|
#endif
|
||||||
|
memset(&operand, 0, sizeof(operand));
|
||||||
|
operand.type = AOT_IMMEDIATE;
|
||||||
|
switch(AO_GET_SIZE(instruction->flags) >> 3)
|
||||||
|
{
|
||||||
|
case sizeof(uint8_t):
|
||||||
|
operand.value.immediate.value = instruction->opcode;
|
||||||
|
break;
|
||||||
|
case sizeof(uint16_t):
|
||||||
|
operand.value.immediate.value = _htob16(
|
||||||
|
instruction->opcode);
|
||||||
|
break;
|
||||||
|
case sizeof(uint32_t):
|
||||||
|
operand.value.immediate.value = _htob32(
|
||||||
|
instruction->opcode);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
return -1; /* FIXME report error */
|
||||||
|
}
|
||||||
|
return _write_immediate(plugin, instruction->flags, &operand);
|
||||||
|
}
|
||||||
|
|
||||||
|
static int _write_operand(ArchPlugin * plugin, uint32_t * i,
|
||||||
|
ArchOperandDefinition * definitions, ArchOperand * operands)
|
||||||
|
{
|
||||||
|
switch(operands[*i].type)
|
||||||
|
{
|
||||||
|
case AOT_DREGISTER:
|
||||||
|
return _write_dregister(plugin, i, definitions,
|
||||||
|
operands);
|
||||||
|
case AOT_IMMEDIATE:
|
||||||
|
return _write_immediate(plugin, definitions[*i],
|
||||||
|
&operands[*i]);
|
||||||
|
case AOT_REGISTER:
|
||||||
|
return _write_register(plugin, i, definitions,
|
||||||
|
operands);
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int _write_register(ArchPlugin * plugin, uint32_t * i,
|
||||||
|
ArchOperandDefinition * definitions, ArchOperand * operands)
|
||||||
|
{
|
||||||
|
ArchPluginHelper * helper = plugin->helper;
|
||||||
|
ArchOperandDefinition definition = definitions[*i];
|
||||||
|
ArchOperand * operand = &operands[*i];
|
||||||
|
char const * name = operand->value._register.name;
|
||||||
|
size_t size = AO_GET_SIZE(definition);
|
||||||
|
ArchRegister * ar;
|
||||||
|
ArchOperandDefinition idefinition;
|
||||||
|
ArchOperand ioperand;
|
||||||
|
|
||||||
|
if(AO_GET_FLAGS(definition) & AOF_IMPLICIT)
|
||||||
|
return 0;
|
||||||
|
if((ar = helper->get_register_by_name_size(helper->arch, name, size))
|
||||||
|
== NULL)
|
||||||
|
return -1;
|
||||||
|
/* write register */
|
||||||
|
idefinition = AO_IMMEDIATE(0, 0, 8);
|
||||||
|
memset(&ioperand, 0, sizeof(ioperand));
|
||||||
|
ioperand.type = AOT_IMMEDIATE;
|
||||||
|
ioperand.value.immediate.value = ar->id;
|
||||||
|
if(AO_GET_FLAGS(definition) & AOF_I386_MODRM
|
||||||
|
&& AO_GET_VALUE(definition) == 8) /* mod r/m, /r */
|
||||||
|
{
|
||||||
|
(*i)++; /* skip next operand */
|
||||||
|
/* FIXME it could as well be an inverted /r */
|
||||||
|
name = operands[*i].value._register.name;
|
||||||
|
size = AO_GET_SIZE(definitions[*i]);
|
||||||
|
if((ar = helper->get_register_by_name_size(helper->arch, name,
|
||||||
|
size)) == NULL)
|
||||||
|
return -1;
|
||||||
|
ioperand.value.immediate.value |= 0xc0 | (ar->id << 3);
|
||||||
|
}
|
||||||
|
else if(AO_GET_FLAGS(definition) & AOF_I386_MODRM) /* mod r/m, /[0-7] */
|
||||||
|
ioperand.value.immediate.value = 0xc0 | ar->id
|
||||||
|
| (AO_GET_VALUE(definition) << 3);
|
||||||
|
else
|
||||||
|
ioperand.value.immediate.value = ar->id;
|
||||||
|
return _write_immediate(plugin, idefinition, &ioperand);
|
||||||
|
}
|
@ -19,6 +19,14 @@
|
|||||||
#define OP_RW AO_REGISTER(0, W, 0)
|
#define OP_RW AO_REGISTER(0, W, 0)
|
||||||
#define OP_al AO_REGISTER(AOF_IMPLICIT, REG_al_size, REG_al_id)
|
#define OP_al AO_REGISTER(AOF_IMPLICIT, REG_al_size, REG_al_id)
|
||||||
#define OP_AX AO_REGISTER(AOF_IMPLICIT, W, REG_AX_id)
|
#define OP_AX AO_REGISTER(AOF_IMPLICIT, W, REG_AX_id)
|
||||||
|
#define OP_eax AO_REGISTER(AOF_IMPLICIT, 32, REG_eax_id)
|
||||||
|
#define OP_ecx AO_REGISTER(AOF_IMPLICIT, 32, REG_ecx_id)
|
||||||
|
#define OP_edx AO_REGISTER(AOF_IMPLICIT, 32, REG_edx_id)
|
||||||
|
#define OP_ebx AO_REGISTER(AOF_IMPLICIT, 32, REG_ebx_id)
|
||||||
|
#define OP_esp AO_REGISTER(AOF_IMPLICIT, 32, REG_esp_id)
|
||||||
|
#define OP_ebp AO_REGISTER(AOF_IMPLICIT, 32, REG_ebp_id)
|
||||||
|
#define OP_esi AO_REGISTER(AOF_IMPLICIT, 32, REG_esi_id)
|
||||||
|
#define OP_edi AO_REGISTER(AOF_IMPLICIT, 32, REG_edi_id)
|
||||||
|
|
||||||
/* mod r/m byte */
|
/* mod r/m byte */
|
||||||
#define AOF_I386_MODRM 0x2
|
#define AOF_I386_MODRM 0x2
|
||||||
@ -200,5 +208,14 @@
|
|||||||
{ "bsr", 0x0fbd, OP2F, OP_RMW_RW_R,OP_RMW_DW_R,AOT_NONE },
|
{ "bsr", 0x0fbd, OP2F, OP_RMW_RW_R,OP_RMW_DW_R,AOT_NONE },
|
||||||
{ "bsr", 0x0fbd, OP2F, OP_RMW_RW_R,OP_RMW_RW_R,AOT_NONE },
|
{ "bsr", 0x0fbd, OP2F, OP_RMW_RW_R,OP_RMW_RW_R,AOT_NONE },
|
||||||
#endif
|
#endif
|
||||||
|
/* BSWAP 0x0fc8 +rd 2 */
|
||||||
|
{ "bswap", 0x0fc8, OP2F, OP_eax, AOT_NONE, AOT_NONE },
|
||||||
|
{ "bswap", 0x0fc9, OP2F, OP_ecx, AOT_NONE, AOT_NONE },
|
||||||
|
{ "bswap", 0x0fca, OP2F, OP_edx, AOT_NONE, AOT_NONE },
|
||||||
|
{ "bswap", 0x0fcb, OP2F, OP_ebx, AOT_NONE, AOT_NONE },
|
||||||
|
{ "bswap", 0x0fcc, OP2F, OP_esp, AOT_NONE, AOT_NONE },
|
||||||
|
{ "bswap", 0x0fcd, OP2F, OP_ebp, AOT_NONE, AOT_NONE },
|
||||||
|
{ "bswap", 0x0fce, OP2F, OP_esi, AOT_NONE, AOT_NONE },
|
||||||
|
{ "bswap", 0x0fcf, OP2F, OP_edi, AOT_NONE, AOT_NONE },
|
||||||
/* NOP */
|
/* NOP */
|
||||||
{ "nop", 0x90, OP1F, AOT_NONE, AOT_NONE, AOT_NONE },
|
{ "nop", 0x90, OP1F, AOT_NONE, AOT_NONE, AOT_NONE },
|
||||||
|
79
src/arch/i486.c
Normal file
79
src/arch/i486.c
Normal file
@ -0,0 +1,79 @@
|
|||||||
|
/* $Id$ */
|
||||||
|
/* Copyright (c) 2011 Pierre Pronchery <khorben@defora.org> */
|
||||||
|
/* This file is part of DeforaOS Devel asm */
|
||||||
|
/* This program is free software: you can redistribute it and/or modify
|
||||||
|
* it under the terms of the GNU General Public License as published by
|
||||||
|
* the Free Software Foundation, version 3 of the License.
|
||||||
|
*
|
||||||
|
* This program is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
* GNU General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU General Public License
|
||||||
|
* along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
#include <stddef.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include "Asm.h"
|
||||||
|
|
||||||
|
|
||||||
|
/* i486 */
|
||||||
|
/* private */
|
||||||
|
/* types */
|
||||||
|
/* register sizes */
|
||||||
|
#define REG(name, size, id) REG_ ## name ## _size = size,
|
||||||
|
enum
|
||||||
|
{
|
||||||
|
#include "i386.reg"
|
||||||
|
REG_size_count
|
||||||
|
};
|
||||||
|
#undef REG
|
||||||
|
|
||||||
|
/* register ids */
|
||||||
|
#define REG(name, size, id) REG_ ## name ## _id = id,
|
||||||
|
enum
|
||||||
|
{
|
||||||
|
#include "i386.reg"
|
||||||
|
REG_id_count
|
||||||
|
};
|
||||||
|
#undef REG
|
||||||
|
|
||||||
|
|
||||||
|
/* variables */
|
||||||
|
#define REG(name, size, id) { "" # name, size, id },
|
||||||
|
static ArchRegister _i486_registers[] =
|
||||||
|
{
|
||||||
|
#include "i386.reg"
|
||||||
|
{ NULL, 0, 0 }
|
||||||
|
};
|
||||||
|
#undef REG
|
||||||
|
|
||||||
|
static ArchInstruction _i486_instructions[] =
|
||||||
|
{
|
||||||
|
#include "i386.ins"
|
||||||
|
#include "i486.ins"
|
||||||
|
#include "common.ins"
|
||||||
|
#include "null.ins"
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/* functions */
|
||||||
|
#include "i386.h"
|
||||||
|
|
||||||
|
|
||||||
|
/* public */
|
||||||
|
/* variables */
|
||||||
|
/* plug-in */
|
||||||
|
ArchPlugin arch_plugin =
|
||||||
|
{
|
||||||
|
NULL,
|
||||||
|
"i486",
|
||||||
|
NULL,
|
||||||
|
_i486_registers,
|
||||||
|
_i486_instructions,
|
||||||
|
_i386_write,
|
||||||
|
NULL
|
||||||
|
};
|
10
src/arch/i486.ins
Normal file
10
src/arch/i486.ins
Normal file
@ -0,0 +1,10 @@
|
|||||||
|
/* instructions */
|
||||||
|
/* BSWAP 0x0fc8 +rd 2 */
|
||||||
|
{ "bswap", 0x0fc8, OP2F, OP_eax, AOT_NONE, AOT_NONE },
|
||||||
|
{ "bswap", 0x0fc9, OP2F, OP_ecx, AOT_NONE, AOT_NONE },
|
||||||
|
{ "bswap", 0x0fca, OP2F, OP_edx, AOT_NONE, AOT_NONE },
|
||||||
|
{ "bswap", 0x0fcb, OP2F, OP_ebx, AOT_NONE, AOT_NONE },
|
||||||
|
{ "bswap", 0x0fcc, OP2F, OP_esp, AOT_NONE, AOT_NONE },
|
||||||
|
{ "bswap", 0x0fcd, OP2F, OP_ebp, AOT_NONE, AOT_NONE },
|
||||||
|
{ "bswap", 0x0fce, OP2F, OP_esi, AOT_NONE, AOT_NONE },
|
||||||
|
{ "bswap", 0x0fcf, OP2F, OP_edi, AOT_NONE, AOT_NONE },
|
@ -1,8 +1,8 @@
|
|||||||
targets=i386,sparc
|
targets=i386,i486,sparc
|
||||||
cppflags_force=-I ../../include
|
cppflags_force=-I ../../include
|
||||||
cflags_force=-W
|
cflags_force=-W
|
||||||
cflags=-Wall -fPIC -pedantic
|
cflags=-Wall -fPIC -pedantic
|
||||||
dist=Makefile,common.ins,i386.ins,i386.reg,null.ins,sparc.ins,sparc.reg
|
dist=Makefile,common.ins,i386.h,i386.ins,i386.reg,i486.ins,null.ins,sparc.ins,sparc.reg
|
||||||
|
|
||||||
[i386]
|
[i386]
|
||||||
type=plugin
|
type=plugin
|
||||||
@ -10,7 +10,15 @@ sources=i386.c
|
|||||||
install=$(LIBDIR)/asm/arch
|
install=$(LIBDIR)/asm/arch
|
||||||
|
|
||||||
[i386.c]
|
[i386.c]
|
||||||
depends=common.ins,null.ins,i386.ins,i386.reg
|
depends=common.ins,null.ins,i386.h,i386.ins,i386.reg
|
||||||
|
|
||||||
|
[i486]
|
||||||
|
type=plugin
|
||||||
|
sources=i486.c
|
||||||
|
install=$(LIBDIR)/asm/arch
|
||||||
|
|
||||||
|
[i486.c]
|
||||||
|
depends=common.ins,null.ins,i386.h,i386.ins,i386.reg,i486.ins
|
||||||
|
|
||||||
[sparc]
|
[sparc]
|
||||||
type=plugin
|
type=plugin
|
||||||
|
@ -1,4 +1,4 @@
|
|||||||
TARGETS = i386.o sparc.o
|
TARGETS = i386.o i486.o sparc.o
|
||||||
PREFIX = /usr/local
|
PREFIX = /usr/local
|
||||||
DESTDIR =
|
DESTDIR =
|
||||||
BINDIR = $(PREFIX)/bin
|
BINDIR = $(PREFIX)/bin
|
||||||
@ -15,17 +15,23 @@ all: $(TARGETS)
|
|||||||
i386.o_OBJS = i386.o
|
i386.o_OBJS = i386.o
|
||||||
i386.o_ASFLAGS = $(CPPFLAGSF) $(CPPFLAGS) $(ASFLAGS) -a i386 -f flat
|
i386.o_ASFLAGS = $(CPPFLAGSF) $(CPPFLAGS) $(ASFLAGS) -a i386 -f flat
|
||||||
|
|
||||||
|
i486.o_OBJS = i486.o
|
||||||
|
i486.o_ASFLAGS = $(CPPFLAGSF) $(CPPFLAGS) $(ASFLAGS) -a i486 -f flat
|
||||||
|
|
||||||
sparc.o_OBJS = sparc.o
|
sparc.o_OBJS = sparc.o
|
||||||
sparc.o_ASFLAGS = $(CPPFLAGSF) $(CPPFLAGS) $(ASFLAGS) -a sparc -f flat
|
sparc.o_ASFLAGS = $(CPPFLAGSF) $(CPPFLAGS) $(ASFLAGS) -a sparc -f flat
|
||||||
|
|
||||||
i386.o: i386.S ../src/asm
|
i386.o: i386.S ../src/asm
|
||||||
$(AS) $(i386.o_ASFLAGS) -o i386.o i386.S
|
$(AS) $(i386.o_ASFLAGS) -o i386.o i386.S
|
||||||
|
|
||||||
|
i486.o: i486.S ../src/asm
|
||||||
|
$(AS) $(i486.o_ASFLAGS) -o i486.o i486.S
|
||||||
|
|
||||||
sparc.o: sparc.S ../src/asm
|
sparc.o: sparc.S ../src/asm
|
||||||
$(AS) $(sparc.o_ASFLAGS) -o sparc.o sparc.S
|
$(AS) $(sparc.o_ASFLAGS) -o sparc.o sparc.S
|
||||||
|
|
||||||
clean:
|
clean:
|
||||||
$(RM) -- $(i386.o_OBJS) $(sparc.o_OBJS)
|
$(RM) -- $(i386.o_OBJS) $(i486.o_OBJS) $(sparc.o_OBJS)
|
||||||
|
|
||||||
distclean: clean
|
distclean: clean
|
||||||
$(RM) -- $(TARGETS)
|
$(RM) -- $(TARGETS)
|
||||||
|
11
test/i486.S
Normal file
11
test/i486.S
Normal file
@ -0,0 +1,11 @@
|
|||||||
|
/* $Id$ */
|
||||||
|
.text
|
||||||
|
/* BSWAP */
|
||||||
|
bswap %eax
|
||||||
|
bswap %ecx
|
||||||
|
bswap %edx
|
||||||
|
bswap %ebx
|
||||||
|
bswap %esp
|
||||||
|
bswap %ebp
|
||||||
|
bswap %esi
|
||||||
|
bswap %edi
|
@ -1,4 +1,4 @@
|
|||||||
targets=i386.o,sparc.o
|
targets=i386.o,i486.o,sparc.o
|
||||||
as=../src/asm
|
as=../src/asm
|
||||||
dist=Makefile
|
dist=Makefile
|
||||||
|
|
||||||
@ -10,6 +10,14 @@ sources=i386.S
|
|||||||
asflags=-a i386 -f flat
|
asflags=-a i386 -f flat
|
||||||
depends=../src/asm
|
depends=../src/asm
|
||||||
|
|
||||||
|
[i486.o]
|
||||||
|
type=object
|
||||||
|
sources=i486.S
|
||||||
|
|
||||||
|
[i486.S]
|
||||||
|
asflags=-a i486 -f flat
|
||||||
|
depends=../src/asm
|
||||||
|
|
||||||
[sparc.o]
|
[sparc.o]
|
||||||
type=object
|
type=object
|
||||||
sources=sparc.S
|
sources=sparc.S
|
||||||
|
Loading…
Reference in New Issue
Block a user