#include "server.h"
#include "linux-low.h"
#include <asm/ptrace.h>
#define ppc_num_regs 71
static int ppc_regmap[] =
{PT_R0 * 8, PT_R1 * 8, PT_R2 * 8, PT_R3 * 8,
PT_R4 * 8, PT_R5 * 8, PT_R6 * 8, PT_R7 * 8,
PT_R8 * 8, PT_R9 * 8, PT_R10 * 8, PT_R11 * 8,
PT_R12 * 8, PT_R13 * 8, PT_R14 * 8, PT_R15 * 8,
PT_R16 * 8, PT_R17 * 8, PT_R18 * 8, PT_R19 * 8,
PT_R20 * 8, PT_R21 * 8, PT_R22 * 8, PT_R23 * 8,
PT_R24 * 8, PT_R25 * 8, PT_R26 * 8, PT_R27 * 8,
PT_R28 * 8, PT_R29 * 8, PT_R30 * 8, PT_R31 * 8,
PT_FPR0*8, PT_FPR0*8 + 8, PT_FPR0*8+16, PT_FPR0*8+24,
PT_FPR0*8+32, PT_FPR0*8+40, PT_FPR0*8+48, PT_FPR0*8+56,
PT_FPR0*8+64, PT_FPR0*8+72, PT_FPR0*8+80, PT_FPR0*8+88,
PT_FPR0*8+96, PT_FPR0*8+104, PT_FPR0*8+112, PT_FPR0*8+120,
PT_FPR0*8+128, PT_FPR0*8+136, PT_FPR0*8+144, PT_FPR0*8+152,
PT_FPR0*8+160, PT_FPR0*8+168, PT_FPR0*8+176, PT_FPR0*8+184,
PT_FPR0*8+192, PT_FPR0*8+200, PT_FPR0*8+208, PT_FPR0*8+216,
PT_FPR0*8+224, PT_FPR0*8+232, PT_FPR0*8+240, PT_FPR0*8+248,
PT_NIP * 8, PT_MSR * 8, PT_CCR * 8, PT_LNK * 8,
PT_CTR * 8, PT_XER * 8, PT_FPR0*8 + 256 };
static int
ppc_cannot_store_register (int regno)
{
return 0;
}
static int
ppc_cannot_fetch_register (int regno)
{
return 0;
}
static CORE_ADDR
ppc_get_pc (void)
{
unsigned long pc;
collect_register_by_name ("pc", &pc);
return (CORE_ADDR) pc;
}
static void
ppc_set_pc (CORE_ADDR pc)
{
unsigned long newpc = pc;
supply_register_by_name ("pc", &newpc);
}
static const unsigned int ppc_breakpoint = 0x7d821008;
#define ppc_breakpoint_len 4
static int
ppc_breakpoint_at (CORE_ADDR where)
{
unsigned int insn;
(*the_target->read_memory) (where, (unsigned char *) &insn, 4);
if (insn == ppc_breakpoint)
return 1;
return 0;
}
static void ppc_fill_gregset (void *buf)
{
int i;
for (i = 0; i < 32; i++)
collect_register (i, (char *) buf + ppc_regmap[i]);
for (i = 64; i < 70; i++)
collect_register (i, (char *) buf + ppc_regmap[i]);
}
struct regset_info target_regsets[] = {
{ 0, 0, 0, GENERAL_REGS, ppc_fill_gregset, NULL },
{ 0, 0, -1, -1, NULL, NULL }
};
struct linux_target_ops the_low_target = {
ppc_num_regs,
ppc_regmap,
ppc_cannot_fetch_register,
ppc_cannot_store_register,
ppc_get_pc,
ppc_set_pc,
(const unsigned char *) &ppc_breakpoint,
ppc_breakpoint_len,
NULL,
0,
ppc_breakpoint_at,
NULL,
NULL,
NULL,
NULL,
1
};