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-rw-r--r--kernel/kgdb.c24
1 files changed, 6 insertions, 18 deletions
diff --git a/kernel/kgdb.c b/kernel/kgdb.c
index 39e31a036f5..79e3c90113c 100644
--- a/kernel/kgdb.c
+++ b/kernel/kgdb.c
@@ -52,6 +52,7 @@
52#include <asm/byteorder.h> 52#include <asm/byteorder.h>
53#include <asm/atomic.h> 53#include <asm/atomic.h>
54#include <asm/system.h> 54#include <asm/system.h>
55#include <asm/unaligned.h>
55 56
56static int kgdb_break_asap; 57static int kgdb_break_asap;
57 58
@@ -227,8 +228,6 @@ void __weak kgdb_disable_hw_debug(struct pt_regs *regs)
227 * GDB remote protocol parser: 228 * GDB remote protocol parser:
228 */ 229 */
229 230
230static const char hexchars[] = "0123456789abcdef";
231
232static int hex(char ch) 231static int hex(char ch)
233{ 232{
234 if ((ch >= 'a') && (ch <= 'f')) 233 if ((ch >= 'a') && (ch <= 'f'))
@@ -316,8 +315,8 @@ static void put_packet(char *buffer)
316 } 315 }
317 316
318 kgdb_io_ops->write_char('#'); 317 kgdb_io_ops->write_char('#');
319 kgdb_io_ops->write_char(hexchars[checksum >> 4]); 318 kgdb_io_ops->write_char(hex_asc_hi(checksum));
320 kgdb_io_ops->write_char(hexchars[checksum & 0xf]); 319 kgdb_io_ops->write_char(hex_asc_lo(checksum));
321 if (kgdb_io_ops->flush) 320 if (kgdb_io_ops->flush)
322 kgdb_io_ops->flush(); 321 kgdb_io_ops->flush();
323 322
@@ -346,14 +345,6 @@ static void put_packet(char *buffer)
346 } 345 }
347} 346}
348 347
349static char *pack_hex_byte(char *pkt, u8 byte)
350{
351 *pkt++ = hexchars[byte >> 4];
352 *pkt++ = hexchars[byte & 0xf];
353
354 return pkt;
355}
356
357/* 348/*
358 * Convert the memory pointed to by mem into hex, placing result in buf. 349 * Convert the memory pointed to by mem into hex, placing result in buf.
359 * Return a pointer to the last char put in buf (null). May return an error. 350 * Return a pointer to the last char put in buf (null). May return an error.
@@ -486,8 +477,8 @@ static void error_packet(char *pkt, int error)
486{ 477{
487 error = -error; 478 error = -error;
488 pkt[0] = 'E'; 479 pkt[0] = 'E';
489 pkt[1] = hexchars[(error / 10)]; 480 pkt[1] = hex_asc[(error / 10)];
490 pkt[2] = hexchars[(error % 10)]; 481 pkt[2] = hex_asc[(error % 10)];
491 pkt[3] = '\0'; 482 pkt[3] = '\0';
492} 483}
493 484
@@ -518,10 +509,7 @@ static void int_to_threadref(unsigned char *id, int value)
518 scan = (unsigned char *)id; 509 scan = (unsigned char *)id;
519 while (i--) 510 while (i--)
520 *scan++ = 0; 511 *scan++ = 0;
521 *scan++ = (value >> 24) & 0xff; 512 put_unaligned_be32(value, scan);
522 *scan++ = (value >> 16) & 0xff;
523 *scan++ = (value >> 8) & 0xff;
524 *scan++ = (value & 0xff);
525} 513}
526 514
527static struct task_struct *getthread(struct pt_regs *regs, int tid) 515static struct task_struct *getthread(struct pt_regs *regs, int tid)