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C++ r_egg_printf函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中r_egg_printf函数的典型用法代码示例。如果您正苦于以下问题:C++ r_egg_printf函数的具体用法?C++ r_egg_printf怎么用?C++ r_egg_printf使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了r_egg_printf函数的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: emit_branch

static void emit_branch(REgg *egg, char *b, char *g, char *e, char *n, int sz, const char *dst) {
	char *p, str[64];
	char *arg = NULL;
	char *op = "beq";
	/* NOTE that jb/ja are inverted to fit cmp opcode */
	if (b) {
		*b = '\0';
		op = e?"bge":"bgt";
		arg = b+1;
	} else
	if (g) {
		*g = '\0';
		op = e?"ble":"blt";
		arg = g+1;
	}
	if (arg == NULL) {
		if (e) {
			arg = e+1;
			op = "bne";
		} else {
			arg = "0";
			op = n?"bne":"beq";
		}
	}

	if (*arg=='=') arg++; /* for <=, >=, ... */
	p = r_egg_mkvar (egg, str, arg, 0);
	r_egg_printf (egg, "  pop "R_AX"\n"); /* TODO: add support for more than one arg get arg0 */
	r_egg_printf (egg, "  cmp %s, "R_AX"\n", p);
	// if (context>0)
	r_egg_printf (egg, "  %s %s\n", op, dst);
}
开发者ID:jody-frankowski,项目名称:radare2,代码行数:32,代码来源:emit_arm.c


示例2: emit_mathop

static void emit_mathop(REgg *egg, int ch, int vs, int type, const char *eq, const char *p) {
	char *op;
	switch(ch) {
	case '^': op = "xor"; break;
	case '&': op = "and"; break;
	case '|': op = "or";  break;
	case '-': op = "sub"; break;
	case '+': op = "add"; break;
	case '*': op = "mul"; break;
	case '/': op = "div"; break;
	default:  op = "mov"; break;
	}
	if (attsyntax) {
		if (eq == NULL) eq = "%"R_AX;
		if (p == NULL) p = "%"R_AX;
		r_egg_printf (egg, "  %s%c %c%s, %s\n", op, vs, type, eq, p);
	} else {
		if (eq == NULL) eq = R_AX;
		if (p == NULL) p = R_AX;
	// TODO: 
#if 0
		eprintf ("TYPE = %c\n", type);
		eprintf ("  %s%c %c%s, %s\n", op, vs, type, eq, p);
		eprintf ("  %s %s, [%s]\n", op, p, eq);
#endif
		if (type == '*') r_egg_printf (egg, "  %s %s, [%s]\n", op, p, eq);
		else r_egg_printf (egg, "  %s %s, %s\n", op, p, eq);
	}
}
开发者ID:0xroot,项目名称:radare2,代码行数:29,代码来源:emit_x86.c


示例3: emit_frame

static void emit_frame (REgg *egg, int sz) {
	r_egg_printf (egg, "  push {fp,lr}\n");
	if (sz>0) r_egg_printf (egg,
		//"  mov "R_BP", "R_SP"\n"
		"  add fp, sp, $4\n" // size of arguments
		"  sub sp, $%d\n", sz); // size of stackframe 8, 16, ..
}
开发者ID:jody-frankowski,项目名称:radare2,代码行数:7,代码来源:emit_arm.c


示例4: parsedatachar

static int parsedatachar(REgg *egg, char c) {
	static int inlinectr = 0;
	char *str;
	int i, j;

	if (!dstval) {
		return 0;
	}
	/* skip until '{' */
	if (c == '{') { /* XXX: repeated code!! */
		rcc_context (egg, 1);
		if (++inlinectr==1)
			return (ndstval = 0);
	} else if (inlinectr == 0) {
		/* capture value between parenthesis [email protected](NNN) { ... } */
		if (c==')') {
			stackframe = atoi (dstval);
			ndstval = 0;
		} else {
			dstval[ndstval++] = c;
		}
		return 0;
	}
	/* capture body */
	if (c == '}') { /* XXX: repeated code!! */
		if (CTX< 2) {
			inlinectr = 0;
			rcc_context (egg, -1);
			slurp = 0;
			mode = NORMAL;
			/* register */
			if (dstval != NULL && dstvar != NULL) {
				dstval[ndstval]='\0';
				egg->remit->comment (egg, "data (%s)(%s)size=(%d)\n",
					dstvar, dstval, stackframe);
				r_egg_printf (egg, ".data\n");
				for (str=dstval; is_space (*str); str++);
				j = (stackframe)? stackframe: 1;
				/* emit label */
				r_egg_printf (egg, "%s:\n", dstvar);
				for (i=1; i<=j; i++) {
					if (*str=='"')
						r_egg_printf (egg, ".ascii %s%s\n", dstval, (i==j)?"\"\\x00\"":"");
					else r_egg_printf (egg, ".long %s\n", dstval);
				}
				r_egg_printf (egg, ".text\n");
				R_FREE (dstvar);
				R_FREE (dstval);
				ndstval = 0;
				CTX = 0;
				return 1;
			}
		}
	}
	dstval[ndstval++] = c;
	return 0;
}
开发者ID:EliaGeretto,项目名称:radare2,代码行数:57,代码来源:egg_lang.c


示例5: emit_comment

static void emit_comment(REgg *egg, const char *fmt, ...) {
	va_list ap;
	char buf[1024];
	va_start (ap, fmt);
	vsnprintf (buf, sizeof (buf), fmt, ap);
	if (attsyntax) r_egg_printf (egg, "  /* %s */\n", buf);
	else r_egg_printf (egg, "# %s\n", buf);
	va_end (ap);
}
开发者ID:0xroot,项目名称:radare2,代码行数:9,代码来源:emit_x86.c


示例6: emit_arg

static void emit_arg (REgg *egg, int xs, int num, const char *str) {
	int d = atoi (str);
	if (!attsyntax && (*str=='$'))
		str = str +1;
	switch (xs) {
	case 0:
		r_egg_printf (egg, "  push %s\n", str);
		break;
	case '*':
		if (attsyntax) r_egg_printf (egg, "  push (%s)\n", str);
		else r_egg_printf (egg, "  push [%s]\n", str);
		break;
	case '&':
		if (attsyntax) {
			if (d != 0) r_egg_printf (egg, "  addl $%d, %%"R_BP"\n", d);
			r_egg_printf (egg, "  pushl %%"R_BP"\n");
			if (d != 0) r_egg_printf (egg, "  subl $%d, %%"R_BP"\n", d);
		} else {
			if (d != 0) r_egg_printf (egg, "  add "R_BP", %d\n", d);
			r_egg_printf (egg, "  push "R_BP"\n");
			if (d != 0) r_egg_printf (egg, "  sub "R_BP", %d\n", d);
		}
		break;
	}
}
开发者ID:0xroot,项目名称:radare2,代码行数:25,代码来源:emit_x86.c


示例7: emit_branch

static void emit_branch(REgg *egg, char *b, char *g, char *e, char *n, int sz, const char *dst) {
	char *p, str[64];
	char *arg = NULL;
	char *op = "jz";
	int signed_value = 1; // XXX: add support for signed/unsigned variables
	/* NOTE that jb/ja are inverted to fit cmp opcode */
	if (b) {
		*b = '\0';
		if (signed_value) {
			if (e) op = "jge";
			else op = "jg";
		} else {
			if (e) op = "jae";
			else op = "ja";
		}
		arg = b+1;
	} else
	if (g) {
		*g = '\0';
		if (signed_value) {
			if (e) op = "jle";
			else op = "jl";
		} else {
			if (e) op = "jbe";
			else op = "jb";
		}
		arg = g+1;
	}
	if (arg == NULL) {
		if (e) {
			arg = e+1;
			op = "jne";
		} else {
			arg = attsyntax? "$0": "0";
			if (n) op = "jnz";
			else op ="jz";
		}
	}

	if (*arg=='=') arg++; /* for <=, >=, ... */
	p = r_egg_mkvar (egg, str, arg, 0);
	if (attsyntax) {
		r_egg_printf (egg, "  pop %%"R_AX"\n"); /* TODO: add support for more than one arg get arg0 */
		r_egg_printf (egg, "  cmp%c %s, %%"R_AX"\n", sz, p);
	} else {
		r_egg_printf (egg, "  pop "R_AX"\n"); /* TODO: add support for more than one arg get arg0 */
		r_egg_printf (egg, "  cmp "R_AX", %s\n", p);
	}
	// if (context>0)
	free (p);
	r_egg_printf (egg, "  %s %s\n", op, dst);
}
开发者ID:AmesianX,项目名称:radare2,代码行数:52,代码来源:emit_x86.c


示例8: emit_call

static void emit_call(REgg *egg, const char *str, int atr) {
	int i;
	//r_egg_printf (egg, " ARGS=%d CALL(%s,%d)\n", lastarg, str, atr);
	for (i=0;i<lastarg;i++) {
		r_egg_printf (egg, "  ldr r%d, [%s]\n", lastarg-1-i, lastargs[i]);
		lastargs[i][0] = 0;
	}

	if (atr) {
		r_egg_printf (egg, "  ldr r0, %s", str);
		r_egg_printf (egg, "  blx r0\n");
	} else r_egg_printf (egg, "  bl %s\n", str);
}
开发者ID:jody-frankowski,项目名称:radare2,代码行数:13,代码来源:emit_arm.c


示例9: emit_frame_end

static void emit_frame_end (REgg *egg, int sz, int ctx) {
	if (sz>0) {
		if (attsyntax) {
			r_egg_printf (egg, "  add $%d, %%"R_SP"\n", sz);
			r_egg_printf (egg, "  pop %%"R_BP"\n");
		} else {
			r_egg_printf (egg, "  add "R_SP", %d\n", sz);
			r_egg_printf (egg, "  pop "R_BP"\n");
		}
	}
	if (ctx>0)
		r_egg_printf (egg, "  ret\n");
}
开发者ID:0xroot,项目名称:radare2,代码行数:13,代码来源:emit_x86.c


示例10: emit_frame

static void emit_frame (REgg *egg, int sz) {
	if (sz<1)
		return;
	if (attsyntax)
		r_egg_printf (egg, 
		"  push %%"R_BP"\n"
		"  mov %%"R_SP", %%"R_BP"\n"
		"  sub $%d, %%"R_SP"\n", sz);
	else r_egg_printf (egg, 
		"  push "R_BP"\n"
		"  mov "R_BP", "R_SP"\n"
		"  sub "R_SP", %d\n", sz);
}
开发者ID:0xroot,项目名称:radare2,代码行数:13,代码来源:emit_x86.c


示例11: emit_load_ptr

static void emit_load_ptr(REgg *egg, const char *dst) {
	int d = atoi (dst);
	if (d == 0) { // hack to handle stackvarptrz
		char *p = strchr (dst, '+');
		if (p) d = atoi (p+1);
	}
	//eprintf ("emit_load_ptr: HACK\n");
	// XXX: 32/64bit care
	//r_egg_printf (egg, "# DELTA IS (%s)\n", dst);
	if (attsyntax) r_egg_printf (egg, "  leal %d(%%"R_BP"), %%"R_AX"\n", d);
	else r_egg_printf (egg, "  lea "R_AX", ["R_BP"+%d]\n", d);
	//r_egg_printf (egg, "  movl %%"R_BP", %%"R_AX"\n");
	//r_egg_printf (egg, "  addl $%d, %%"R_AX"\n", d);
}
开发者ID:0xroot,项目名称:radare2,代码行数:14,代码来源:emit_x86.c


示例12: emit_syscall_args

static void emit_syscall_args(REgg *egg, int nargs) {
	int j, k;
	for (j=0; j<nargs; j++) {
		k = j*R_SZ;
		if (attsyntax)
			r_egg_printf (egg, "  mov %d(%%"R_SP"), %%%s\n", k, regs[j+1]);
		else {
			if (k>0)
				r_egg_printf (egg, "  mov %s, ["R_SP"+%d]\n", regs[j+1], k);
			else if (k<0)
				r_egg_printf (egg, "  mov %s, ["R_SP"%d]\n", regs[j+1], k);
			else r_egg_printf (egg, "  mov %s, ["R_SP"]\n", regs[j+1]);
		}
	}
}
开发者ID:0xroot,项目名称:radare2,代码行数:15,代码来源:emit_x86.c


示例13: emit_syscall_args

static void emit_syscall_args(REgg *egg, int nargs) {
	int j, k;
	for (j=0; j<nargs; j++) {
		k = j*R_SZ;
		r_egg_printf (egg, "  ldr %s, [sp, #%c%d]\n", regs[j+1], k>0?'+':' ', k);
	}
}
开发者ID:jody-frankowski,项目名称:radare2,代码行数:7,代码来源:emit_arm.c


示例14: emit_syscall_args

static void emit_syscall_args(REgg *egg, int nargs) {
	int j, k;
	for (j = 0; j < nargs; j++) {
		k = j * R_SZ;
		r_egg_printf (egg, "  ldr %s, [sp, %d]\n",
			regs[j+1], k?k+4:k+8);
	}
}
开发者ID:13572293130,项目名称:radare2,代码行数:8,代码来源:emit_arm.c


示例15: emit_set_string

static void emit_set_string(REgg *egg, const char *dstvar, const char *str, int j) {
	int rest, off = 0;
	off = strlen (str)+1;
	rest = (off%4);
	if (rest) rest = 4-rest;
	off += rest-8;
	r_egg_printf (egg, "  add pc, $%d\n", (off));
	// XXX: does not handle \n and so on.. must use r_util
	r_egg_printf (egg, ".string \"%s\"\n", str);
	if (rest) r_egg_printf (egg, ".fill %d, 1, 0\n", (rest));
	r_egg_printf (egg, "  sub r0, pc, $%d\n", off+16);
	{
		char str[32], *p = r_egg_mkvar (egg, str, dstvar, 0);
		//r_egg_printf (egg, "DSTVAR=%s --> %s\n", dstvar, p);
		r_egg_printf (egg, "  str r0, [%s]\n", p);
		free (p);
	}
}
开发者ID:jody-frankowski,项目名称:radare2,代码行数:18,代码来源:emit_arm.c


示例16: emit_arg

static void emit_arg (REgg *egg, int xs, int num, const char *str) {
	int d = atoi (str);
	if (!attsyntax && (*str=='$'))
		str++;
	lastarg = num;
	switch (xs) {
	case 0:
		if (strchr (str, ',')) {
			//r_egg_printf (egg, ".  str r0, [%s]\n", str);
			strncpy (lastargs[num-1], str, sizeof(lastargs[0])-1);
		} else {
			if (!atoi (str)) eprintf ("WARNING: probably a bug?\n");
			r_egg_printf (egg, "  mov r0, $%s\n", str);
			snprintf (lastargs[num-1], sizeof (lastargs[0]), "fp, $-%d", 8+(num*4));
			r_egg_printf (egg, "  str r0, [%s]\n", lastargs[num-1]);
		}
		break;
	case '*':
		r_egg_printf (egg, "  push {%s}\n", str);
		break;
	case '&':
		if (d) r_egg_printf (egg, "  add "R_BP", %d\n", d);
		r_egg_printf (egg, "  push {"R_BP"}\n");
		if (d) r_egg_printf (egg, "  sub "R_BP", %d\n", d);
		break;
	}
}
开发者ID:jody-frankowski,项目名称:radare2,代码行数:27,代码来源:emit_arm.c


示例17: emit_load

static void emit_load(REgg *egg, const char *dst, int sz) {
	switch (sz) {
	case 'l':
		r_egg_printf (egg, "  mov "R_AX", %s\n", dst);
		r_egg_printf (egg, "  mov "R_AX", ["R_AX"]\n");
		break;
	case 'b':
		r_egg_printf (egg, "  mov "R_AX", %s\n", dst);
		r_egg_printf (egg, "  movz "R_AX", ["R_AX"]\n");
		break;
	default:
		// TODO: unhandled?!?
		r_egg_printf (egg, "  mov "R_AX", %s\n", dst);
		r_egg_printf (egg, "  mov "R_AX", ["R_AX"]\n");
	}
}
开发者ID:jody-frankowski,项目名称:radare2,代码行数:16,代码来源:emit_arm.c


示例18: emit_while_end

static void emit_while_end (REgg *egg, const char *labelback) {
#if 0
	if (attsyntax) {
		r_egg_printf (egg, "  pop %%"R_AX"\n");
		r_egg_printf (egg, "  cmp $0, %%"R_AX"\n"); // XXX MUST SUPPORT != 0 COMPARE HERE
		r_egg_printf (egg, "  jnz %s\n", labelback);
	} else {
#endif
		r_egg_printf (egg, "  pop "R_AX"\n");
		r_egg_printf (egg, "  test "R_AX", "R_AX"\n"); // XXX MUST SUPPORT != 0 COMPARE HERE
		r_egg_printf (egg, "  jnz %s\n", labelback);
//	}
}

// XXX: this is wrong
static void emit_get_var (REgg *egg, int type, char *out, int idx) {
	switch (type) {
	case 0:  /* variable */
		if (idx>0) sprintf (out, "["R_BP"+%d]", idx);
		else if (idx<0) sprintf (out, "["R_BP"%d]", idx);
		else strcpy (out, "["R_BP"]");
		break;
	case 1: /* argument */
// OMG WE CANT stuff found in relative address in stack in the stack
		eprintf ("WARNING: Using stack vars in naked functions\n");
		idx = 8; // HACK to make arg0, arg4, ... work
		if (idx>0) sprintf (out, "["R_SP"+%d]", idx);
		else if (idx<0) sprintf (out, "["R_SP"%d]", idx);
		else strcpy (out, "["R_SP"]");
		break;
	case 2:
		if (idx>0) sprintf (out, "["R_BP"+%d]", idx);
		else if (idx<0) sprintf (out, "["R_BP"%d]", idx);
		else strcpy (out, "["R_BP"]");
		break;
	}
}

static void emit_trap (REgg *egg) {
	r_egg_printf (egg, "  int3\n");
}
开发者ID:0xroot,项目名称:radare2,代码行数:41,代码来源:emit_x86.c


示例19: emit_jmp

static void emit_jmp(REgg *egg, const char *str, int atr) {
	if (atr) {
		r_egg_printf (egg, "  ldr r0, %s", str);
		r_egg_printf (egg, "  bx r0\n");
	} else r_egg_printf (egg, "  b %s\n", str);
}
开发者ID:jody-frankowski,项目名称:radare2,代码行数:6,代码来源:emit_arm.c


示例20: emit_restore_stack

static void emit_restore_stack (REgg *egg, int size) {
	if (attsyntax) r_egg_printf (egg, "  add $%d, %%"R_SP" /* args */\n", size);
	else r_egg_printf (egg, "  add "R_SP", %d\n", size);
}
开发者ID:0xroot,项目名称:radare2,代码行数:4,代码来源:emit_x86.c



注:本文中的r_egg_printf函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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