kgdbts,sh: Add in breakpoint pc offset for superh

The kgdb test suite mimics the behavior of gdb. For the sh architecture the pc must be decremented by 2 for software breakpoint. Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Acked-by: Paul Mundt <lethal@linux-sh.org>

kgdbts,sh: Add in breakpoint pc offset for superh
The kgdb test suite mimics the behavior of gdb. For the sh architecture the pc must be decremented by 2 for software breakpoint. Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Acked-by: Paul Mundt <lethal@linux-sh.org>
Jason Wessel
1 parent a0279bd580
Showing 1 changed file with 6 additions and 0 deletions Side-by-side Diff
drivers/misc/kgdbts.c
@@ -295,6 +295,10 @@
 	/* On x86 a breakpoint stop requires it to be decremented */
 	if (addr + 1 == kgdbts_regs.ip)
 		offset = -1;
+#elif defined(CONFIG_SUPERH)
+	/* On SUPERH a breakpoint stop requires it to be decremented */
+	if (addr + 2 == kgdbts_regs.pc)
+		offset = -2;
 #endif
 	if (strcmp(arg, "silent") &&
 		instruction_pointer(&kgdbts_regs) + offset != addr) {
@@ -305,6 +309,8 @@
 #ifdef CONFIG_X86
 	/* On x86 adjust the instruction pointer if needed */
 	kgdbts_regs.ip += offset;
+#elif defined(CONFIG_SUPERH)
+	kgdbts_regs.pc += offset;
 #endif
 	return 0;
 }
...	...	@@ -295,6 +295,10 @@
295	295	/* On x86 a breakpoint stop requires it to be decremented */
296	296	if (addr + 1 == kgdbts_regs.ip)
297	297	offset = -1;
	298	+#elif defined(CONFIG_SUPERH)
	299	+ /* On SUPERH a breakpoint stop requires it to be decremented */
	300	+ if (addr + 2 == kgdbts_regs.pc)
	301	+ offset = -2;
298	302	#endif
299	303	if (strcmp(arg, "silent") &&
300	304	instruction_pointer(&kgdbts_regs) + offset != addr) {
...	...	@@ -305,6 +309,8 @@
305	309	#ifdef CONFIG_X86
306	310	/* On x86 adjust the instruction pointer if needed */
307	311	kgdbts_regs.ip += offset;
	312	+#elif defined(CONFIG_SUPERH)
	313	+ kgdbts_regs.pc += offset;
308	314	#endif
309	315	return 0;
310	316	}