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kgdb,kdb: individual register set and and get API

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The kdb shell specification includes the ability to get and set
architecture specific registers by name.

For the time being individual register get and set will be implemented
on a per architecture basis.  If an architecture defines
DBG_MAX_REG_NUM > 0 then kdb and the gdbstub will use the capability
for individually getting and setting architecture specific registers.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
This commit is contained in:
Jason Wessel 2010-08-05 09:22:20 -05:00
parent 84a0bd5b28
commit 534af10823
3 changed files with 159 additions and 12 deletions
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13
include/linux/kgdb.h
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@ -90,6 +90,19 @@ struct kgdb_bkpt {
enum kgdb_bpstate state;
};
struct dbg_reg_def_t {
char *name;
int size;
int offset;
};
#ifndef DBG_MAX_REG_NUM
#define DBG_MAX_REG_NUM 0
#else
extern struct dbg_reg_def_t dbg_reg_def[];
extern char *dbg_get_reg(int regno, void *mem, struct pt_regs *regs);
extern int dbg_set_reg(int regno, void *mem, struct pt_regs *regs);
#endif
#ifndef KGDB_MAX_BREAKPOINTS
# define KGDB_MAX_BREAKPOINTS 1000
#endif