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Commit 19caeed6 authored by Harvey Harrison's avatar Harvey Harrison Committed by Linus Torvalds
Browse files

frv: use the common ascii hex helpers 



Signed-off-by: default avatarHarvey Harrison <harvey.harrison@gmail.com>
Acked-by: default avatarDavid Howells <dhowells@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 42a9a583

arch/frv/kernel/gdb-stub.c

+36 −52
Original line number Diff line number Diff line
@@ -182,8 +182,6 @@ extern volatile u32 __attribute__((section(".bss"))) gdbstub_trace_through_excep 
static char	input_buffer[BUFMAX];

static char	output_buffer[BUFMAX];



static const char hexchars[] = "0123456789abcdef";



static const char *regnames[] = {

	"PSR ", "ISR ", "CCR ", "CCCR",

	"LR  ", "LCR ", "PC  ", "_stt",
@@ -383,8 +381,8 @@ static int gdbstub_send_packet(char *buffer) 
		}



		gdbstub_tx_char('#');

		gdbstub_tx_char(hexchars[checksum >> 4]);

		gdbstub_tx_char(hexchars[checksum & 0xf]);

		gdbstub_tx_char(hex_asc_hi(checksum));

		gdbstub_tx_char(hex_asc_lo(checksum));



	} while (gdbstub_rx_char(&ch,0),

#ifdef GDBSTUB_DEBUG_PROTOCOL
@@ -674,8 +672,7 @@ static unsigned char *mem2hex(const void *_mem, char *buf, int count, int may_fa 
	if ((uint32_t)mem&1 && count>=1) {

		if (!gdbstub_read_byte(mem,ch))

			return NULL;

		*buf++ = hexchars[ch[0] >> 4];

		*buf++ = hexchars[ch[0] & 0xf];

		buf = pack_hex_byte(buf, ch[0]);

		mem++;

		count--;

	}
@@ -683,10 +680,8 @@ static unsigned char *mem2hex(const void *_mem, char *buf, int count, int may_fa 
	if ((uint32_t)mem&3 && count>=2) {

		if (!gdbstub_read_word(mem,(uint16_t *)ch))

			return NULL;

		*buf++ = hexchars[ch[0] >> 4];

		*buf++ = hexchars[ch[0] & 0xf];

		*buf++ = hexchars[ch[1] >> 4];

		*buf++ = hexchars[ch[1] & 0xf];

		buf = pack_hex_byte(buf, ch[0]);

		buf = pack_hex_byte(buf, ch[1]);

		mem += 2;

		count -= 2;

	}
@@ -694,14 +689,10 @@ static unsigned char *mem2hex(const void *_mem, char *buf, int count, int may_fa 
	while (count>=4) {

		if (!gdbstub_read_dword(mem,(uint32_t *)ch))

			return NULL;

		*buf++ = hexchars[ch[0] >> 4];

		*buf++ = hexchars[ch[0] & 0xf];

		*buf++ = hexchars[ch[1] >> 4];

		*buf++ = hexchars[ch[1] & 0xf];

		*buf++ = hexchars[ch[2] >> 4];

		*buf++ = hexchars[ch[2] & 0xf];

		*buf++ = hexchars[ch[3] >> 4];

		*buf++ = hexchars[ch[3] & 0xf];

		buf = pack_hex_byte(buf, ch[0]);

		buf = pack_hex_byte(buf, ch[1]);

		buf = pack_hex_byte(buf, ch[2]);

		buf = pack_hex_byte(buf, ch[3]);

		mem += 4;

		count -= 4;

	}
@@ -709,10 +700,8 @@ static unsigned char *mem2hex(const void *_mem, char *buf, int count, int may_fa 
	if (count>=2) {

		if (!gdbstub_read_word(mem,(uint16_t *)ch))

			return NULL;

		*buf++ = hexchars[ch[0] >> 4];

		*buf++ = hexchars[ch[0] & 0xf];

		*buf++ = hexchars[ch[1] >> 4];

		*buf++ = hexchars[ch[1] & 0xf];

		buf = pack_hex_byte(buf, ch[0]);

		buf = pack_hex_byte(buf, ch[1]);

		mem += 2;

		count -= 2;

	}
@@ -720,8 +709,7 @@ static unsigned char *mem2hex(const void *_mem, char *buf, int count, int may_fa 
	if (count>=1) {

		if (!gdbstub_read_byte(mem,ch))

			return NULL;

		*buf++ = hexchars[ch[0] >> 4];

		*buf++ = hexchars[ch[0] & 0xf];

		buf = pack_hex_byte(buf, ch[0]);

	}



	*buf = 0;
@@ -1471,22 +1459,22 @@ void gdbstub(int sigval) 
		*ptr++ = 'O';

		ptr = mem2hex(title, ptr, sizeof(title) - 1,0);



		hx = hexchars[(brr & 0xf0000000) >> 28];

		*ptr++ = hexchars[hx >> 4];	*ptr++ = hexchars[hx & 0xf];

		hx = hexchars[(brr & 0x0f000000) >> 24];

		*ptr++ = hexchars[hx >> 4];	*ptr++ = hexchars[hx & 0xf];

		hx = hexchars[(brr & 0x00f00000) >> 20];

		*ptr++ = hexchars[hx >> 4];	*ptr++ = hexchars[hx & 0xf];

		hx = hexchars[(brr & 0x000f0000) >> 16];

		*ptr++ = hexchars[hx >> 4];	*ptr++ = hexchars[hx & 0xf];

		hx = hexchars[(brr & 0x0000f000) >> 12];

		*ptr++ = hexchars[hx >> 4];	*ptr++ = hexchars[hx & 0xf];

		hx = hexchars[(brr & 0x00000f00) >> 8];

		*ptr++ = hexchars[hx >> 4];	*ptr++ = hexchars[hx & 0xf];

		hx = hexchars[(brr & 0x000000f0) >> 4];

		*ptr++ = hexchars[hx >> 4];	*ptr++ = hexchars[hx & 0xf];

		hx = hexchars[(brr & 0x0000000f)];

		*ptr++ = hexchars[hx >> 4];	*ptr++ = hexchars[hx & 0xf];

		hx = hex_asc_hi(brr >> 24);

		ptr = pack_hex_byte(ptr, hx);

		hx = hex_asc_lo(brr >> 24);

		ptr = pack_hex_byte(ptr, hx);

		hx = hex_asc_hi(brr >> 16);

		ptr = pack_hex_byte(ptr, hx);

		hx = hex_asc_lo(brr >> 16);

		ptr = pack_hex_byte(ptr, hx);

		hx = hex_asc_hi(brr >> 8);

		ptr = pack_hex_byte(ptr, hx);

		hx = hex_asc_lo(brr >> 8);

		ptr = pack_hex_byte(ptr, hx);

		hx = hex_asc_hi(brr);

		ptr = pack_hex_byte(ptr, hx);

		hx = hex_asc_lo(brr);

		ptr = pack_hex_byte(ptr, hx);



		ptr = mem2hex(crlf, ptr, sizeof(crlf) - 1, 0);

		*ptr = 0;
@@ -1500,12 +1488,10 @@ void gdbstub(int sigval) 


	/* Send trap type (converted to signal) */

	*ptr++ = 'T';

	*ptr++ = hexchars[sigval >> 4];

	*ptr++ = hexchars[sigval & 0xf];

	ptr = pack_hex_byte(ptr, sigval);



	/* Send Error PC */

	*ptr++ = hexchars[GDB_REG_PC >> 4];

	*ptr++ = hexchars[GDB_REG_PC & 0xf];

	ptr = pack_hex_byte(ptr, GDB_REG_PC);

	*ptr++ = ':';

	ptr = mem2hex(&__debug_frame->pc, ptr, 4, 0);

	*ptr++ = ';';
@@ -1513,8 +1499,7 @@ void gdbstub(int sigval) 
	/*

	 * Send frame pointer

	 */

	*ptr++ = hexchars[GDB_REG_FP >> 4];

	*ptr++ = hexchars[GDB_REG_FP & 0xf];

	ptr = pack_hex_byte(ptr, GDB_REG_FP);

	*ptr++ = ':';

	ptr = mem2hex(&__debug_frame->fp, ptr, 4, 0);

	*ptr++ = ';';
@@ -1522,8 +1507,7 @@ void gdbstub(int sigval) 
	/*

	 * Send stack pointer

	 */

	*ptr++ = hexchars[GDB_REG_SP >> 4];

	*ptr++ = hexchars[GDB_REG_SP & 0xf];

	ptr = pack_hex_byte(ptr, GDB_REG_SP);

	*ptr++ = ':';

	ptr = mem2hex(&__debug_frame->sp, ptr, 4, 0);

	*ptr++ = ';';
@@ -1548,8 +1532,8 @@ void gdbstub(int sigval) 
			/* request repeat of last signal number */

		case '?':

			output_buffer[0] = 'S';

			output_buffer[1] = hexchars[sigval >> 4];

			output_buffer[2] = hexchars[sigval & 0xf];

			output_buffer[1] = hex_asc_hi(sigval);

			output_buffer[2] = hex_asc_lo(sigval);

			output_buffer[3] = 0;

			break;
@@ -2059,8 +2043,8 @@ void gdbstub_exit(int status) 
	}



	gdbstub_tx_char('#');

	gdbstub_tx_char(hexchars[checksum >> 4]);

	gdbstub_tx_char(hexchars[checksum & 0xf]);

	gdbstub_tx_char(hex_asc_hi(checksum));

	gdbstub_tx_char(hex_asc_lo(checksum));



	/* make sure the output is flushed, or else RedBoot might clobber it */

	gdbstub_tx_char('-');