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Fixed S?IP_OFFSETs for the Motorola Delta 88.

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This commit is contained in:
Steve Chamberlain 1991-11-08 02:22:46 +00:00
parent 8c7ae4a273
commit 12f2fd9f1f
1 changed files with 16 additions and 19 deletions
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35
gdb/m88k-xdep.c
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@ -31,8 +31,8 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <signal.h>
#include "gdbcore.h"
#include <sys/user.h>
#ifndef USER /* added to support BCS ptrace_user */
#ifndef USER /* added to support BCS ptrace_user */
#define USER ptrace_user
#endif
#include <sys/ioctl.h>
@ -44,14 +44,20 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "setjmp.h"
#include "value.h"
#ifdef DELTA88
#include <sys/ptrace.h>
/* define offsets to the pc instruction offsets in ptrace_user struct */
#define SXIP_OFFSET (char *)&u.pt_sigframe.dg_sigframe.sc_sxip - \
(char *)&u
#define SNIP_OFFSET (char *)&u.pt_sigframe.dg_sigframe.sc_snip - \
(char *)&u
#define SXIP_OFFSET (char *)&u.pt_sigframe.sig_sxip - (char *)&u
#define SNIP_OFFSET (char *)&u.pt_sigframe.sig_snip - (char *)&u
#define SFIP_OFFSET (char *)&u.pt_sigframe.sig_sfip - (char *)&u
#else
/* define offsets to the pc instruction offsets in ptrace_user struct */
#define SXIP_OFFSET (char *)&u.pt_sigframe.dg_sigframe.sc_sxip - (char *)&u
#define SNIP_OFFSET (char *)&u.pt_sigframe.dg_sigframe.sc_snip - (char *)&u
#define SFIP_OFFSET (char *)&u.pt_sigframe.dg_sigframe.sc_sfip - (char *)&u
#endif
extern int have_symbol_file_p();
extern jmp_buf stack_jmp;
@ -87,11 +93,11 @@ fetch_inferior_registers ()
supply_register (regno, buf);
}
/* now load up registers 36 - 38; special pc registers */
*(int *) &buf[0] = ptrace (3,inferior_pid,(char *)&u.pt_sigframe.dg_sigframe.sc_sxip - (char *)&u ,0);
*(int *) &buf[0] = ptrace (3,inferior_pid,SXIP_OFFSET ,0);
supply_register (SXIP_REGNUM, buf);
*(int *) &buf[0] = ptrace (3, inferior_pid, (char *)&u.pt_sigframe.dg_sigframe.sc_snip - (char *)&u ,0);
*(int *) &buf[0] = ptrace (3, inferior_pid,SNIP_OFFSET,0);
supply_register (SNIP_REGNUM, buf);
*(int *) &buf[0] = ptrace (3, inferior_pid, (char *)&u.pt_sigframe.dg_sigframe.sc_sfip - (char *)&u ,0);
*(int *) &buf[0] = ptrace (3, inferior_pid,SFIP_OFFSET,0);
supply_register (SFIP_REGNUM, buf);
}
@ -107,18 +113,9 @@ store_inferior_registers (regno)
struct USER u;
#if defined(BCS)
#if defined(DGUX)
unsigned int offset = (char *) &u.pt_r0 - (char *) &u;
#endif /* defined (DGUX) */
#else
unsigned int offset = (char *) &u.pt_r0 - (char *) &u;
#endif /* defined(BCS) */
/* offset = ptrace (3, inferior_pid, offset, 0) - KERNEL_U_ADDR; */
regaddr = offset;
if (regno >= 0)