#include "nbsd-tdep.h"
#include "tramp-frame.h"
#include "trad-frame.h"
-
+#include "gdb_assert.h"
#include "solib-svr4.h"
#define REG_FIXREG_OFFSET(x) ((x) * 4)
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
int i;
- for (i = 0; i <= 31; i++)
+ for (i = 0; i < ppc_num_gprs; i++)
{
- if (regno == i || regno == -1)
- supply_register (i, regs + REG_FIXREG_OFFSET (i));
+ if (regno == tdep->ppc_gp0_regnum + i || regno == -1)
+ regcache_raw_supply (current_regcache, tdep->ppc_gp0_regnum + i,
+ regs + REG_FIXREG_OFFSET (i));
}
if (regno == tdep->ppc_lr_regnum || regno == -1)
- supply_register (tdep->ppc_lr_regnum, regs + REG_LR_OFFSET);
+ regcache_raw_supply (current_regcache, tdep->ppc_lr_regnum,
+ regs + REG_LR_OFFSET);
if (regno == tdep->ppc_cr_regnum || regno == -1)
- supply_register (tdep->ppc_cr_regnum, regs + REG_CR_OFFSET);
+ regcache_raw_supply (current_regcache, tdep->ppc_cr_regnum,
+ regs + REG_CR_OFFSET);
if (regno == tdep->ppc_xer_regnum || regno == -1)
- supply_register (tdep->ppc_xer_regnum, regs + REG_XER_OFFSET);
+ regcache_raw_supply (current_regcache, tdep->ppc_xer_regnum,
+ regs + REG_XER_OFFSET);
if (regno == tdep->ppc_ctr_regnum || regno == -1)
- supply_register (tdep->ppc_ctr_regnum, regs + REG_CTR_OFFSET);
+ regcache_raw_supply (current_regcache, tdep->ppc_ctr_regnum,
+ regs + REG_CTR_OFFSET);
if (regno == PC_REGNUM || regno == -1)
- supply_register (PC_REGNUM, regs + REG_PC_OFFSET);
+ regcache_raw_supply (current_regcache, PC_REGNUM,
+ regs + REG_PC_OFFSET);
}
void
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
int i;
- for (i = 0; i <= 31; i++)
+ for (i = 0; i < ppc_num_gprs; i++)
{
- if (regno == i || regno == -1)
- regcache_collect (i, regs + REG_FIXREG_OFFSET (i));
+ if (regno == tdep->ppc_gp0_regnum + i || regno == -1)
+ regcache_raw_collect (current_regcache, tdep->ppc_gp0_regnum + i,
+ regs + REG_FIXREG_OFFSET (i));
}
if (regno == tdep->ppc_lr_regnum || regno == -1)
- regcache_collect (tdep->ppc_lr_regnum, regs + REG_LR_OFFSET);
+ regcache_raw_collect (current_regcache, tdep->ppc_lr_regnum,
+ regs + REG_LR_OFFSET);
if (regno == tdep->ppc_cr_regnum || regno == -1)
- regcache_collect (tdep->ppc_cr_regnum, regs + REG_CR_OFFSET);
+ regcache_raw_collect (current_regcache, tdep->ppc_cr_regnum,
+ regs + REG_CR_OFFSET);
if (regno == tdep->ppc_xer_regnum || regno == -1)
- regcache_collect (tdep->ppc_xer_regnum, regs + REG_XER_OFFSET);
+ regcache_raw_collect (current_regcache, tdep->ppc_xer_regnum,
+ regs + REG_XER_OFFSET);
if (regno == tdep->ppc_ctr_regnum || regno == -1)
- regcache_collect (tdep->ppc_ctr_regnum, regs + REG_CTR_OFFSET);
+ regcache_raw_collect (current_regcache, tdep->ppc_ctr_regnum,
+ regs + REG_CTR_OFFSET);
if (regno == PC_REGNUM || regno == -1)
- regcache_collect (PC_REGNUM, regs + REG_PC_OFFSET);
+ regcache_raw_collect (current_regcache, PC_REGNUM, regs + REG_PC_OFFSET);
}
void
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
int i;
- for (i = FP0_REGNUM; i <= FP0_REGNUM + 31; i++)
+ /* FIXME: jimb/2004-05-05: Some PPC variants don't have floating
+ point registers. Traditionally, GDB's register set has still
+ listed the floating point registers for such machines, so this
+ code is harmless. However, the new E500 port actually omits the
+ floating point registers entirely from the register set --- they
+ don't even have register numbers assigned to them.
+
+ It's not clear to me how best to update this code, so this assert
+ will alert the first person to encounter the NetBSD/E500
+ combination to the problem. */
+ gdb_assert (ppc_floating_point_unit_p (current_gdbarch));
+
+ for (i = 0; i < ppc_num_fprs; i++)
{
- if (regno == i || regno == -1)
- supply_register (i, fpregs + FPREG_FPR_OFFSET (i - FP0_REGNUM));
+ if (regno == tdep->ppc_fp0_regnum + i || regno == -1)
+ regcache_raw_supply (current_regcache, tdep->ppc_fp0_regnum + i,
+ fpregs + FPREG_FPR_OFFSET (i));
}
if (regno == tdep->ppc_fpscr_regnum || regno == -1)
- supply_register (tdep->ppc_fpscr_regnum, fpregs + FPREG_FPSCR_OFFSET);
+ regcache_raw_supply (current_regcache, tdep->ppc_fpscr_regnum,
+ fpregs + FPREG_FPSCR_OFFSET);
}
void
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
int i;
- for (i = FP0_REGNUM; i <= FP0_REGNUM + 31; i++)
+ /* FIXME: jimb/2004-05-05: Some PPC variants don't have floating
+ point registers. Traditionally, GDB's register set has still
+ listed the floating point registers for such machines, so this
+ code is harmless. However, the new E500 port actually omits the
+ floating point registers entirely from the register set --- they
+ don't even have register numbers assigned to them.
+
+ It's not clear to me how best to update this code, so this assert
+ will alert the first person to encounter the NetBSD/E500
+ combination to the problem. */
+ gdb_assert (ppc_floating_point_unit_p (current_gdbarch));
+
+ for (i = 0; i < ppc_num_fprs; i++)
{
- if (regno == i || regno == -1)
- regcache_collect (i, fpregs + FPREG_FPR_OFFSET (i - FP0_REGNUM));
+ if (regno == tdep->ppc_fp0_regnum + i || regno == -1)
+ regcache_raw_collect (current_regcache, tdep->ppc_fp0_regnum + i,
+ fpregs + FPREG_FPR_OFFSET (i));
}
if (regno == tdep->ppc_fpscr_regnum || regno == -1)
- regcache_collect (tdep->ppc_fpscr_regnum, fpregs + FPREG_FPSCR_OFFSET);
+ regcache_raw_collect (current_regcache, tdep->ppc_fpscr_regnum,
+ fpregs + FPREG_FPSCR_OFFSET);
}
static void
NULL /* next */
};
-static int
-ppcnbsd_pc_in_sigtramp (CORE_ADDR pc, char *func_name)
-{
- /* FIXME: Need to add support for kernel-provided signal trampolines. */
- return (nbsd_pc_in_sigtramp (pc, func_name));
-}
-
/* NetBSD is confused. It appears that 1.5 was using the correct SVr4
convention but, 1.6 switched to the below broken convention. For
the moment use the broken convention. Ulgh!. */
base = frame_unwind_register_unsigned (next_frame, SP_REGNUM);
offset = base + 0x18 + 2 * tdep->wordsize;
- for (i = 0; i < 32; i++)
+ for (i = 0; i < ppc_num_gprs; i++)
{
int regnum = i + tdep->ppc_gp0_regnum;
trad_frame_set_reg_addr (this_cache, regnum, offset);
instruction, or zero if it isn't a signal trampoline. */
static const struct tramp_frame ppcnbsd_sigtramp = {
+ SIGTRAMP_FRAME,
4, /* insn size */
{ /* insn */
- 0x38610018, /* addi r3,r1,24 */
- 0x38000127, /* li r0,295 */
- 0x44000002, /* sc */
- 0x38000001, /* li r0,1 */
- 0x44000002, /* sc */
- TRAMP_SENTINEL_INSN
+ { 0x38610018, -1 }, /* addi r3,r1,24 */
+ { 0x38000127, -1 }, /* li r0,295 */
+ { 0x44000002, -1 }, /* sc */
+ { 0x38000001, -1 }, /* li r0,1 */
+ { 0x44000002, -1 }, /* sc */
+ { TRAMP_SENTINEL_INSN, -1 }
},
ppcnbsd_sigtramp_cache_init
};
ppcnbsd_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
{
- set_gdbarch_deprecated_pc_in_sigtramp (gdbarch, ppcnbsd_pc_in_sigtramp);
/* For NetBSD, this is an on again, off again thing. Some systems
do use the broken struct convention, and some don't. */
set_gdbarch_return_value (gdbarch, ppcnbsd_return_value);
projects / deliverable / binutils-gdb.git / blobdiff