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authorSonic Zhang <sonic.zhang@analog.com>2008-10-09 02:04:41 -0400
committerBryan Wu <cooloney@kernel.org>2008-10-09 02:04:41 -0400
commit27707d3e43e3a9c53e75cd7769f3ef74b1d56625 (patch)
tree36da010b2c4c07119795145adf36559c90856809 /arch/blackfin/kernel/traps.c
parent5e9e7687cbc016ac36b6825f79d78213319331d9 (diff)
Blackfin arch: Fix bug - kernel build with config kernel debugging with remote gdb fails
Add some comment and fix duplicated VEC_EXCPT02 Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin/kernel/traps.c')
-rw-r--r--arch/blackfin/kernel/traps.c21
1 files changed, 9 insertions, 12 deletions
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index 89cff2c7e8b1..1a3c4daf557a 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -284,15 +284,6 @@ asmlinkage void trap_c(struct pt_regs *fp)
284 return; 284 return;
285 else 285 else
286 break; 286 break;
287#ifdef CONFIG_KGDB
288 case VEC_EXCPT02 : /* gdb connection */
289 info.si_code = TRAP_ILLTRAP;
290 sig = SIGTRAP;
291 CHK_DEBUGGER_TRAP();
292 return;
293#else
294 /* 0x02 - User Defined, Caught by default */
295#endif
296 /* 0x03 - User Defined, userspace stack overflow */ 287 /* 0x03 - User Defined, userspace stack overflow */
297 case VEC_EXCPT03: 288 case VEC_EXCPT03:
298 info.si_code = SEGV_STACKFLOW; 289 info.si_code = SEGV_STACKFLOW;
@@ -300,6 +291,14 @@ asmlinkage void trap_c(struct pt_regs *fp)
300 printk(KERN_NOTICE EXC_0x03(KERN_NOTICE)); 291 printk(KERN_NOTICE EXC_0x03(KERN_NOTICE));
301 CHK_DEBUGGER_TRAP_MAYBE(); 292 CHK_DEBUGGER_TRAP_MAYBE();
302 break; 293 break;
294 /* 0x02 - KGDB initial connection and break signal trap */
295 case VEC_EXCPT02:
296#ifdef CONFIG_KGDB
297 info.si_code = TRAP_ILLTRAP;
298 sig = SIGTRAP;
299 CHK_DEBUGGER_TRAP();
300 return;
301#endif
303 /* 0x04 - User Defined */ 302 /* 0x04 - User Defined */
304 /* 0x05 - User Defined */ 303 /* 0x05 - User Defined */
305 /* 0x06 - User Defined */ 304 /* 0x06 - User Defined */
@@ -312,11 +311,9 @@ asmlinkage void trap_c(struct pt_regs *fp)
312 /* 0x0D - User Defined */ 311 /* 0x0D - User Defined */
313 /* 0x0E - User Defined */ 312 /* 0x0E - User Defined */
314 /* 0x0F - User Defined */ 313 /* 0x0F - User Defined */
315 /* 314 /* If we got here, it is most likely that someone was trying to use a
316 * If we got here, it is most likely that someone was trying to use a
317 * custom exception handler, and it is not actually installed properly 315 * custom exception handler, and it is not actually installed properly
318 */ 316 */
319 case VEC_EXCPT02:
320 case VEC_EXCPT04 ... VEC_EXCPT15: 317 case VEC_EXCPT04 ... VEC_EXCPT15:
321 info.si_code = ILL_ILLPARAOP; 318 info.si_code = ILL_ILLPARAOP;
322 sig = SIGILL; 319 sig = SIGILL;