#include "objfiles.h"
#include "arch-utils.h"
#include "regcache.h"
+#include "regset.h"
#include "doublest.h"
#include "value.h"
#include "parser-defs.h"
return 1;
return 0;
}
+\f
+
+/* Register set support functions. */
+
+static void
+ppc_supply_reg (struct regcache *regcache, int regnum,
+ const char *regs, size_t offset)
+{
+ if (regnum != -1 && offset != -1)
+ regcache_raw_supply (regcache, regnum, regs + offset);
+}
+
+static void
+ppc_collect_reg (const struct regcache *regcache, int regnum,
+ char *regs, size_t offset)
+{
+ if (regnum != -1 && offset != -1)
+ regcache_raw_collect (regcache, regnum, regs + offset);
+}
+
+/* Supply register REGNUM in the general-purpose register set REGSET
+ from the buffer specified by GREGS and LEN to register cache
+ REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
+
+void
+ppc_supply_gregset (const struct regset *regset, struct regcache *regcache,
+ int regnum, const void *gregs, size_t len)
+{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ const struct ppc_reg_offsets *offsets = regset->descr;
+ size_t offset;
+ int i;
+
+ for (i = 0, offset = offsets->r0_offset; i < 32; i++, offset += 4)
+ {
+ if (regnum == -1 || regnum == i)
+ ppc_supply_reg (regcache, i, gregs, offset);
+ }
+
+ if (regnum == -1 || regnum == PC_REGNUM)
+ ppc_supply_reg (regcache, PC_REGNUM, gregs, offsets->pc_offset);
+ if (regnum == -1 || regnum == tdep->ppc_ps_regnum)
+ ppc_supply_reg (regcache, tdep->ppc_ps_regnum,
+ gregs, offsets->ps_offset);
+ if (regnum == -1 || regnum == tdep->ppc_cr_regnum)
+ ppc_supply_reg (regcache, tdep->ppc_cr_regnum,
+ gregs, offsets->cr_offset);
+ if (regnum == -1 || regnum == tdep->ppc_lr_regnum)
+ ppc_supply_reg (regcache, tdep->ppc_lr_regnum,
+ gregs, offsets->lr_offset);
+ if (regnum == -1 || regnum == tdep->ppc_ctr_regnum)
+ ppc_supply_reg (regcache, tdep->ppc_ctr_regnum,
+ gregs, offsets->ctr_offset);
+ if (regnum == -1 || regnum == tdep->ppc_xer_regnum)
+ ppc_supply_reg (regcache, tdep->ppc_xer_regnum,
+ gregs, offsets->cr_offset);
+ if (regnum == -1 || regnum == tdep->ppc_mq_regnum)
+ ppc_supply_reg (regcache, tdep->ppc_mq_regnum, gregs, offsets->mq_offset);
+}
+
+/* Supply register REGNUM in the floating-point register set REGSET
+ from the buffer specified by FPREGS and LEN to register cache
+ REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
+
+void
+ppc_supply_fpregset (const struct regset *regset, struct regcache *regcache,
+ int regnum, const void *fpregs, size_t len)
+{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ const struct ppc_reg_offsets *offsets = regset->descr;
+ size_t offset;
+ int i;
+
+ offset = offsets->f0_offset;
+ for (i = FP0_REGNUM; i < FP0_REGNUM + 32; i++, offset += 4)
+ {
+ if (regnum == -1 || regnum == i)
+ ppc_supply_reg (regcache, i, fpregs, offset);
+ }
+
+ if (regnum == -1 || regnum == tdep->ppc_fpscr_regnum)
+ ppc_supply_reg (regcache, tdep->ppc_fpscr_regnum,
+ fpregs, offsets->fpscr_offset);
+}
+
+/* Collect register REGNUM in the general-purpose register set
+ REGSET. from register cache REGCACHE into the buffer specified by
+ GREGS and LEN. If REGNUM is -1, do this for all registers in
+ REGSET. */
+
+void
+ppc_collect_gregset (const struct regset *regset,
+ const struct regcache *regcache,
+ int regnum, void *gregs, size_t len)
+{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ const struct ppc_reg_offsets *offsets = regset->descr;
+ size_t offset;
+ int i;
+
+ offset = offsets->r0_offset;
+ for (i = 0; i <= 32; i++, offset += 4)
+ {
+ if (regnum == -1 || regnum == i)
+ ppc_collect_reg (regcache, regnum, gregs, offset);
+ }
+
+ if (regnum == -1 || regnum == PC_REGNUM)
+ ppc_collect_reg (regcache, PC_REGNUM, gregs, offsets->pc_offset);
+ if (regnum == -1 || regnum == tdep->ppc_ps_regnum)
+ ppc_collect_reg (regcache, tdep->ppc_ps_regnum,
+ gregs, offsets->ps_offset);
+ if (regnum == -1 || regnum == tdep->ppc_cr_regnum)
+ ppc_collect_reg (regcache, tdep->ppc_cr_regnum,
+ gregs, offsets->cr_offset);
+ if (regnum == -1 || regnum == tdep->ppc_lr_regnum)
+ ppc_collect_reg (regcache, tdep->ppc_lr_regnum,
+ gregs, offsets->lr_offset);
+ if (regnum == -1 || regnum == tdep->ppc_ctr_regnum)
+ ppc_collect_reg (regcache, tdep->ppc_ctr_regnum,
+ gregs, offsets->ctr_offset);
+ if (regnum == -1 || regnum == tdep->ppc_xer_regnum)
+ ppc_collect_reg (regcache, tdep->ppc_xer_regnum,
+ gregs, offsets->xer_offset);
+ if (regnum == -1 || regnum == tdep->ppc_mq_regnum)
+ ppc_collect_reg (regcache, tdep->ppc_mq_regnum,
+ gregs, offsets->mq_offset);
+}
+
+/* Collect register REGNUM in the floating-point register set
+ REGSET. from register cache REGCACHE into the buffer specified by
+ FPREGS and LEN. If REGNUM is -1, do this for all registers in
+ REGSET. */
+
+void
+ppc_collect_fpregset (const struct regset *regset,
+ const struct regcache *regcache,
+ int regnum, void *fpregs, size_t len)
+{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ const struct ppc_reg_offsets *offsets = regset->descr;
+ size_t offset;
+ int i;
+
+ offset = offsets->f0_offset;
+ for (i = FP0_REGNUM; i <= FP0_REGNUM + 32; i++, offset += 4)
+ {
+ if (regnum == -1 || regnum == i)
+ ppc_collect_reg (regcache, regnum, fpregs, offset);
+ }
+
+ if (regnum == -1 || regnum == tdep->ppc_fpscr_regnum)
+ ppc_collect_reg (regcache, tdep->ppc_fpscr_regnum,
+ fpregs, offsets->fpscr_offset);
+}
+\f
/* Read a LEN-byte address from debugged memory address MEMADDR. */
projects / deliverable / binutils-gdb.git / blobdiff