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Merge back kcore support.

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This commit is contained in:
matt 2003-09-24 02:49:29 +00:00
parent 9c8a5009b3
commit 5c0acc44d6
1 changed files with 38 additions and 0 deletions
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38
gnu/dist/gdb/gdb/ppcnbsd-nat.c vendored
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@ -22,6 +22,8 @@
#include <sys/types.h>
#include <sys/ptrace.h>
#include <machine/reg.h>
#include <machine/frame.h>
#include <machine/pcb.h>
#include "defs.h"
#include "inferior.h"
@ -119,3 +121,39 @@ store_inferior_registers (int regno)
perror_with_name ("Couldn't set FP registers");
}
}
#ifdef FETCH_KCORE_REGISTERS
/*
* Get registers from a kernel crash dump or live kernel.
* Called by kcore-nbsd.c:get_kcore_registers().
*/
void
fetch_kcore_registers (pcb)
struct pcb *pcb;
{
const struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
struct switchframe sf;
struct callframe cf;
int regno;
/*
* get the register values out of the sys pcb and
* store them where `read_register' will find them.
*/
if (target_read_memory(pcb->pcb_sp, (char *)&sf, sizeof(sf)))
error("Cannot read switchframe.");
supply_register(2, (char *)&sf.fixreg2);
supply_register(tdep->ppc_cr_regnum, (char *)&sf.cr);
for (regno = 13; regno < 32; regno++)
supply_register(regno, (char *)&sf.fixreg[regno - 13]);
if (target_read_memory(sf.sp, (char *)&cf, sizeof(cf)))
error("Cannot read callframe.");
supply_register(30, (char *)&cf.r30);
supply_register(31, (char *)&cf.r31);
supply_register(1, (char *)&cf.sp);
if (target_read_memory(cf.sp, (char *)&cf, sizeof(cf)))
error("Cannot read switchframe.");
supply_register(tdep->ppc_lr_regnum, (char *)&cf.lr);
supply_register(PC_REGNUM, (char *)&cf.lr);
}
#endif /* FETCH_KCORE_REGISTERS */