Commit ebc0c74e authored by Anton Kolesov's avatar Anton Kolesov Committed by Vineet Gupta
Browse files

ARC: Update order of registers in KGDB to match GDB 7.5 



Order of registers has changed in GDB moving from 6.8 to 7.5. This patch
updates KGDB to work properly with GDB 7.5, though makes it incompatible
with 6.8.

Signed-off-by: default avatarAnton Kolesov <Anton.Kolesov@synopsys.com>
Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
Cc: <stable@vger.kernel.org> #3.10, 3.12, 3.14, 3.16
parent cdd45526

arch/arc/include/asm/kgdb.h

+18 −14
Original line number Diff line number Diff line
@@ -19,7 +19,7 @@ 
 * register API yet */

#undef DBG_MAX_REG_NUM



#define GDB_MAX_REGS		39

#define GDB_MAX_REGS		87



#define BREAK_INSTR_SIZE	2

#define CACHE_FLUSH_IS_SAFE	1
@@ -33,23 +33,27 @@ static inline void arch_kgdb_breakpoint(void) 


extern void kgdb_trap(struct pt_regs *regs);



enum arc700_linux_regnums {

/* This is the numbering of registers according to the GDB. See GDB's

 * arc-tdep.h for details.

 *

 * Registers are ordered for GDB 7.5. It is incompatible with GDB 6.8. */

enum arc_linux_regnums {

	_R0		= 0,

	_R1, _R2, _R3, _R4, _R5, _R6, _R7, _R8, _R9, _R10, _R11, _R12, _R13,

	_R14, _R15, _R16, _R17, _R18, _R19, _R20, _R21, _R22, _R23, _R24,

	_R25, _R26,

	_BTA		= 27,

	_LP_START	= 28,

	_LP_END		= 29,

	_LP_COUNT	= 30,

	_STATUS32	= 31,

	_BLINK		= 32,

	_FP		= 33,

	__SP		= 34,

	_EFA		= 35,

	_RET		= 36,

	_ORIG_R8	= 37,

	_STOP_PC	= 38

	_FP		= 27,

	__SP		= 28,

	_R30		= 30,

	_BLINK		= 31,

	_LP_COUNT	= 60,

	_STOP_PC	= 64,

	_RET		= 64,

	_LP_START	= 65,

	_LP_END		= 66,

	_STATUS32	= 67,

	_ECR		= 76,

	_BTA		= 82,

};



#else