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Add a hack to automatically switch to 26-bit mode when starting up on an

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arm26 system.  This could be done better.
This commit is contained in:
bjh21 2001-10-20 17:44:58 +00:00
parent 408ac67774
commit 318cfb14be
1 changed files with 16 additions and 1 deletions
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17
gnu/dist/toolchain/gdb/armnbsd-nat.c vendored
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@ -22,6 +22,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include <sys/types.h>
#include <sys/param.h>
#include <sys/ptrace.h>
#include <sys/sysctl.h>
#include <sys/user.h>
#include <machine/reg.h>
#include "inferior.h"
@ -170,6 +171,20 @@ extern char *target_name;
void
_initialize_armnbsd_nat ()
{
int mib[2];
char machine[16];
size_t len;
/* arm_apcs_32 = 0; */
/* XXX Grotty hack to guess whether this is a 26-bit system. This
should really be determined on the fly, to allow debugging a
32-bit core on a 26-bit machine, or a 26-bit process on a 32-bit
machine. For now, users will just have to use "set apcs32" as
appropriate. */
mib[0] = CTL_HW;
mib[1] = HW_MACHINE;
len = sizeof(machine);
if (sysctl(mib, 2, machine, &len, NULL, 0) == 0 &&
strcmp(machine, "arm26") == 0)
arm_apcs_32 = 0;
}