/* Target-dependent code for GDB, the GNU debugger.
- Copyright 2000, 2001, 2002, 2003
- Free Software Foundation, Inc.
+
+ Copyright 2000, 2001, 2002, 2003, 2004 Free Software Foundation,
+ Inc.
This file is part of GDB.
struct frame_info;
struct value;
struct regcache;
+struct type;
/* From ppc-linux-tdep.c... */
-CORE_ADDR ppc_linux_frame_saved_pc (struct frame_info *fi);
-void ppc_linux_init_extra_frame_info (int fromleaf, struct frame_info *);
-int ppc_linux_frameless_function_invocation (struct frame_info *);
-void ppc_linux_frame_init_saved_regs (struct frame_info *);
-CORE_ADDR ppc_linux_frame_chain (struct frame_info *);
-int ppc_sysv_abi_use_struct_convention (int, struct type *);
-int ppc_sysv_abi_broken_use_struct_convention (int, struct type *);
+enum return_value_convention ppc_sysv_abi_return_value (struct gdbarch *gdbarch,
+ struct type *valtype,
+ struct regcache *regcache,
+ void *readbuf,
+ const void *writebuf);
+enum return_value_convention ppc_sysv_abi_broken_return_value (struct gdbarch *gdbarch,
+ struct type *valtype,
+ struct regcache *regcache,
+ void *readbuf,
+ const void *writebuf);
CORE_ADDR ppc_sysv_abi_push_dummy_call (struct gdbarch *gdbarch,
CORE_ADDR func_addr,
struct regcache *regcache,
struct value **args, CORE_ADDR sp,
int struct_return,
CORE_ADDR struct_addr);
+CORE_ADDR ppc64_sysv_abi_push_dummy_call (struct gdbarch *gdbarch,
+ CORE_ADDR func_addr,
+ struct regcache *regcache,
+ CORE_ADDR bp_addr, int nargs,
+ struct value **args, CORE_ADDR sp,
+ int struct_return,
+ CORE_ADDR struct_addr);
+CORE_ADDR ppc64_sysv_abi_adjust_breakpoint_address (struct gdbarch *gdbarch,
+ CORE_ADDR bpaddr);
int ppc_linux_memory_remove_breakpoint (CORE_ADDR addr, char *contents_cache);
struct link_map_offsets *ppc_linux_svr4_fetch_link_map_offsets (void);
-void ppc_linux_supply_gregset (char *buf);
-void ppc_linux_supply_fpregset (char *buf);
+void ppc_linux_supply_gregset (struct regcache *regcache,
+ int regnum, const void *gregs, size_t size,
+ int wordsize);
+void ppc_linux_supply_fpregset (const struct regset *regset,
+ struct regcache *regcache,
+ int regnum, const void *gregs, size_t size);
+enum return_value_convention ppc64_sysv_abi_return_value (struct gdbarch *gdbarch,
+ struct type *valtype,
+ struct regcache *regcache,
+ void *readbuf,
+ const void *writebuf);
/* From rs6000-tdep.c... */
-CORE_ADDR rs6000_frame_saved_pc (struct frame_info *fi);
-void rs6000_init_extra_frame_info (int fromleaf, struct frame_info *);
-int rs6000_frameless_function_invocation (struct frame_info *);
-void rs6000_frame_init_saved_regs (struct frame_info *);
-CORE_ADDR rs6000_frame_chain (struct frame_info *);
int altivec_register_p (int regno);
+int spe_register_p (int regno);
-
-/* Return non-zero when the architecture has an FPU (or at least when
- the ABI is using the FPU). */
+/* Return non-zero if the architecture described by GDBARCH has
+ floating-point registers (f0 --- f31 and fpscr). */
int ppc_floating_point_unit_p (struct gdbarch *gdbarch);
+/* Register set description. */
+
+struct ppc_reg_offsets
+{
+ /* General-purpose registers. */
+ int r0_offset;
+ int pc_offset;
+ int ps_offset;
+ int cr_offset;
+ int lr_offset;
+ int ctr_offset;
+ int xer_offset;
+ int mq_offset;
+
+ /* Floating-point registers. */
+ int f0_offset;
+ int fpscr_offset;
+
+ /* AltiVec registers. */
+ int vr0_offset;
+ int vscr_offset;
+ int vrsave_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. */
+
+extern void ppc_supply_gregset (const struct regset *regset,
+ struct regcache *regcache,
+ int regnum, const void *gregs, size_t len);
+
+/* 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. */
+
+extern void ppc_supply_fpregset (const struct regset *regset,
+ struct regcache *regcache,
+ int regnum, const void *fpregs, size_t len);
+
+/* 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. */
+
+extern void ppc_collect_gregset (const struct regset *regset,
+ const struct regcache *regcache,
+ int regnum, void *gregs, size_t len);
+
+/* 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. */
+
+extern void ppc_collect_fpregset (const struct regset *regset,
+ const struct regcache *regcache,
+ int regnum, void *fpregs, size_t len);
+
/* Private data that this module attaches to struct gdbarch. */
struct gdbarch_tdep
int *regoff; /* byte offsets in register arrays */
const struct reg *regs; /* from current variant */
int ppc_gp0_regnum; /* GPR register 0 */
- int ppc_gplast_regnum; /* GPR register 31 */
int ppc_toc_regnum; /* TOC register */
int ppc_ps_regnum; /* Processor (or machine) status (%msr) */
int ppc_cr_regnum; /* Condition register */
int ppc_lr_regnum; /* Link register */
int ppc_ctr_regnum; /* Count register */
int ppc_xer_regnum; /* Integer exception register */
+
+ /* On PPC and RS6000 variants that have no floating-point
+ registers, the next two members will be -1. */
+ int ppc_fp0_regnum; /* floating-point register 0 */
int ppc_fpscr_regnum; /* Floating point status and condition
register */
+
int ppc_mq_regnum; /* Multiply/Divide extension register */
int ppc_vr0_regnum; /* First AltiVec register */
int ppc_vrsave_regnum; /* Last AltiVec register */
int ppc_ev0_regnum; /* First ev register */
int ppc_ev31_regnum; /* Last ev register */
+ int ppc_acc_regnum; /* SPE 'acc' register */
+ int ppc_spefscr_regnum; /* SPE 'spefscr' register */
int lr_frame_offset; /* Offset to ABI specific location where
link register is saved. */
};
+
+/* Constants for register set sizes. */
+enum
+ {
+ ppc_num_gprs = 32, /* 32 general-purpose registers */
+ ppc_num_fprs = 32 /* 32 floating-point registers */
+ };
+
#endif
projects / deliverable / binutils-gdb.git / blobdiff