binutils-gdb/gdb/arch-utils.h

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/* Dynamic architecture support for GDB, the GNU debugger.
Copyright 1998, 1999, 2000, 2002, 2003 Free Software Foundation,
Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef GDBARCH_UTILS_H
#define GDBARCH_UTILS_H
struct gdbarch;
struct frame_info;
struct minimal_symbol;
struct type;
struct gdbarch_info;
/* gdbarch trace variable */
extern int gdbarch_debug;
/* Fallback for register convertible. */
extern gdbarch_deprecated_register_convertible_ftype deprecated_register_convertible_not;
extern CORE_ADDR generic_cannot_extract_struct_value_address (char *dummy);
/* Implementation of extract return value that grubs around in the
register cache. */
extern gdbarch_extract_return_value_ftype legacy_extract_return_value;
Index: ChangeLog =================================================================== RCS file: /cvs/src/src/gdb/ChangeLog,v retrieving revision 1.3144 diff -u -r1.3144 ChangeLog --- ChangeLog 23 Aug 2002 23:05:38 -0000 1.3144 +++ ChangeLog 23 Aug 2002 23:14:45 -0000 @@ -1,3 +1,53 @@ 2002-08-23 Andrew Cagney <cagney@redhat.com> * gdbarch.sh (STORE_RETURN_VALUE): Add regcache parameter. (DEPRECATED_STORE_RETURN_VALUE): New method. (EXTRACT_RETURN_VALUE): Make buffer parameter a void pointer. * gdbarch.h, gdbarch.c: Re-generate. * values.c (set_return_value): Pass current_regcache to STORE_RETURN_VALUE. * arch-utils.h (legacy_store_return_value): Declare. * arch-utils.c (legacy_store_return_value): New function. (legacy_extract_return_value): Update parameters. * config/pa/tm-hppa.h (DEPRECATED_STORE_RETURN_VALUE): Rename STORE_RETURN_VALUE. * config/pa/tm-hppa64.h (DEPRECATED_STORE_RETURN_VALUE): Ditto. * config/sparc/tm-sparc.h (DEPRECATED_STORE_RETURN_VALUE): Ditto. * config/z8k/tm-z8k.h (DEPRECATED_STORE_RETURN_VALUE): Ditto. * config/sparc/tm-sparclet.h (DEPRECATED_STORE_RETURN_VALUE): Ditto. * config/mn10200/tm-mn10200.h (DEPRECATED_STORE_RETURN_VALUE): Ditto. * config/m68k/tm-linux.h (DEPRECATED_STORE_RETURN_VALUE): Ditto. * config/m68k/tm-delta68.h (DEPRECATED_STORE_RETURN_VALUE): Ditto. * config/m32r/tm-m32r.h (DEPRECATED_STORE_RETURN_VALUE): Ditto. * config/h8500/tm-h8500.h (DEPRECATED_STORE_RETURN_VALUE): Ditto. * config/h8300/tm-h8300.h (DEPRECATED_STORE_RETURN_VALUE): Ditto. * m68hc11-tdep.c (m68hc11_gdbarch_init): Update. * i386-tdep.c (i386_extract_return_value): Update. * arch-utils.c (legacy_extract_return_value): Update. * frv-tdep.c (frv_gdbarch_init): Update. * cris-tdep.c (cris_gdbarch_init): Update. * d10v-tdep.c (d10v_gdbarch_init): Update. * rs6000-tdep.c (rs6000_gdbarch_init): Update. * m68k-tdep.c (m68k_gdbarch_init): Update. * mcore-tdep.c (mcore_gdbarch_init): Update. * mn10300-tdep.c (mn10300_gdbarch_init): Update. * s390-tdep.c (s390_gdbarch_init): Update. * sparc-tdep.c (sparc_gdbarch_init): Update. * sh-tdep.c (sh_gdbarch_init): Update. * x86-64-tdep.c (x86_64_gdbarch_init): Update. * v850-tdep.c (v850_gdbarch_init): Update. * avr-tdep.c (avr_gdbarch_init): Update. * ia64-tdep.c (ia64_gdbarch_init): Update. * ns32k-tdep.c (ns32k_gdbarch_init): Update. * vax-tdep.c (vax_gdbarch_init): Update. * alpha-tdep.c (alpha_gdbarch_init): Update. * arm-tdep.c (arm_gdbarch_init): Update. * mips-tdep.c (mips_gdbarch_init): Update. * i386-tdep.c (i386_gdbarch_init): Update. Index: doc/ChangeLog 2002-08-21 Andrew Cagney <cagney@redhat.com> * gdbint.texinfo (Target Architecture Definition): Update STORE_RETURN_VALUE, mention regcache.
2002-08-24 08:21:37 +08:00
/* Implementation of store return value that grubs the register cache. */
extern gdbarch_store_return_value_ftype legacy_store_return_value;
/* To return any structure or union type by value, store it at the
address passed as an invisible first argument to the function. */
extern gdbarch_use_struct_convention_ftype always_use_struct_convention;
/* Frameless functions not identifable. */
extern gdbarch_frameless_function_invocation_ftype generic_frameless_function_invocation_not;
/* Only structures, unions, and arrays are returned using the struct
convention. Note that arrays are never passed by value in the C
language family, so that case is irrelevant for C. */
extern gdbarch_return_value_on_stack_ftype generic_return_value_on_stack_not;
/* Backward compatible call_dummy_words. */
extern LONGEST legacy_call_dummy_words[];
extern int legacy_sizeof_call_dummy_words;
/* Typical remote_translate_xfer_address */
extern gdbarch_remote_translate_xfer_address_ftype generic_remote_translate_xfer_address;
/* Generic implementation of prologue_frameless_p. Just calls
SKIP_PROLOG and checks the return value to see if it actually
changed. */
extern gdbarch_prologue_frameless_p_ftype generic_prologue_frameless_p;
/* The only possible cases for inner_than. */
extern int core_addr_lessthan (CORE_ADDR lhs, CORE_ADDR rhs);
extern int core_addr_greaterthan (CORE_ADDR lhs, CORE_ADDR rhs);
/* Floating point values. */
extern const struct floatformat *default_float_format (struct gdbarch *gdbarch);
extern const struct floatformat *default_double_format (struct gdbarch *gdbarch);
/* Identity functions on a CORE_ADDR. Just return the "addr". */
2001-06-16 06:10:21 +08:00
extern CORE_ADDR core_addr_identity (CORE_ADDR addr);
extern gdbarch_convert_from_func_ptr_addr_ftype convert_from_func_ptr_addr_identity;
/* No-op conversion of reg to regnum. */
extern int no_op_reg_to_regnum (int reg);
/* Versions of init_frame_pc(). Do nothing; do the default. */
extern CORE_ADDR deprecated_init_frame_pc_default (int fromleaf, struct frame_info *prev);
/* Do nothing version of elf_make_msymbol_special. */
void default_elf_make_msymbol_special (asymbol *sym, struct minimal_symbol *msym);
/* Do nothing version of coff_make_msymbol_special. */
void default_coff_make_msymbol_special (int val, struct minimal_symbol *msym);
/* Version of cannot_fetch_register() / cannot_store_register() that
always fails. */
int cannot_register_not (int regnum);
/* Legacy version of target_virtual_frame_pointer(). Assumes that
2003-04-28 Andrew Cagney <cagney@redhat.com> * gdbarch.sh (DEPRECATED_TARGET_READ_FP): Replace TARGET_READ_FP. (DEPRECATED_FP_REGNUM): Replace FP_REGNUM. * gdbarch.h, gdbarch.c: Re-generate. * infcall.c (call_function_by_hand): Use DEPRECATED_FP_REGNUM, DEPRECATED_TARGET_READ_FP, or "sp" to create the dummy frame ID. * inferior.h (deprecated_read_fp): Rename read_fp. (generic_target_read_fp): Delete declaration. * regcache.c (generic_target_read_fp): Delete function. (deprecated_read_fp): Replace read_fp, use DEPRECATED_TARGET_READ_FP or DEPRECATED_FP_REGNUM. * d10v-tdep.c (d10v_read_fp): Delete function. (d10v_gdbarch_init): Do not set deprecated_read_fp. * sparc-tdep.c (sparc_gdbarch_init): Do not set deprecated_target_read_fp to generic_target_read_fp. * sh-tdep.c (sh_gdbarch_init): Ditto. * rs6000-tdep.c (rs6000_gdbarch_init): Ditto. * m68hc11-tdep.c (m68hc11_gdbarch_init): Ditto. * frv-tdep.c (frv_gdbarch_init): Ditto. * xstormy16-tdep.c (xstormy16_gdbarch_init): Set deprecated_fp_regnum. * x86-64-tdep.c (x86_64_init_abi): Ditto. * vax-tdep.c (vax_gdbarch_init): Ditto. * v850-tdep.c (v850_gdbarch_init): Ditto. * sparc-tdep.c (sparc_gdbarch_init): Ditto. * sh-tdep.c (sh_gdbarch_init): Ditto. * s390-tdep.c (s390_gdbarch_init): Ditto. * rs6000-tdep.c (rs6000_gdbarch_init): Ditto. * mn10300-tdep.c (mn10300_gdbarch_init): Ditto. * mcore-tdep.c (mcore_gdbarch_init): Ditto. * m68k-tdep.c (m68k_gdbarch_init): Ditto. * m68hc11-tdep.c (m68hc11_gdbarch_init): Ditto. * ia64-tdep.c (ia64_gdbarch_init): Ditto. * i386-tdep.c (i386_gdbarch_init): Ditto. * hppa-tdep.c (hppa_gdbarch_init): Ditto. * h8300-tdep.c (h8300_gdbarch_init): Ditto. * frv-tdep.c (frv_gdbarch_init): Ditto. * cris-tdep.c (cris_gdbarch_init): Ditto. * avr-tdep.c (avr_gdbarch_init): Ditto. * arm-tdep.c (arm_gdbarch_init): Ditto. * alpha-tdep.c (alpha_gdbarch_init): Ditto. * x86-64-tdep.c (x86_64_init_abi): Set deprecated_target_read_fp. * v850-tdep.c (v850_gdbarch_init): Ditto. * sparc-tdep.c (sparc_gdbarch_init): Ditto. * sh-tdep.c (sh_gdbarch_init): Ditto. * s390-tdep.c (s390_gdbarch_init): Ditto. * rs6000-tdep.c (rs6000_gdbarch_init): Ditto. * mn10300-tdep.c (mn10300_gdbarch_init): Ditto. * mips-tdep.c (mips_gdbarch_init): Ditto. * m68hc11-tdep.c (m68hc11_gdbarch_init): Ditto. * ia64-tdep.c (ia64_gdbarch_init): Ditto. * hppa-tdep.c (hppa_gdbarch_init): Ditto. * frv-tdep.c (frv_gdbarch_init): Ditto. * avr-tdep.c (avr_gdbarch_init): Ditto. * arm-tdep.c (arm_gdbarch_init): Ditto. * vax-tdep.c (vax_frame_init_saved_regs): Replace FP_REGNUM with DEPRECATED_FP_REGNUM. (vax_push_dummy_frame, vax_pop_frame): Ditto. * std-regs.c (value_of_builtin_frame_fp_reg): Ditto. * sparc-tdep.c (sparc_init_extra_frame_info): Ditto. (sparc_push_dummy_frame, sparc64_read_fp): Ditto. (sparc32_register_virtual_type): Ditto. * sh-tdep.c (sh64_frame_chain): Ditto. (sh64_get_saved_register, sh64_pop_frame): Ditto. (sh_nofp_frame_init_saved_regs): Ditto. (sh64_nofp_frame_init_saved_regs): Ditto. (sh_fp_frame_init_saved_regs): Ditto. * remote-mips.c (mips_wait, mips_fetch_registers): Ditto. * remote-e7000.c (fetch_regs_from_dump): Ditto. * procfs.c (procfs_fetch_registers): Ditto. (procfs_store_registers): Ditto. * ns32knbsd-nat.c (fetch_inferior_registers): Ditto. (store_inferior_registers, fetch_core_registers): Ditto. (fetch_kcore_registers, clear_regs): Ditto. * ns32k-tdep.c (ns32k_frame_init_saved_regs): Ditto. (ns32k_push_dummy_frame, ns32k_pop_frame): Ditto. * nlm/i386.h (DEPRECATED_FP_REGNUM): Ditto. * nlm/i386.c (do_status): Ditto. * mipsv4-nat.c (supply_gregset): Ditto. * mips-tdep.c: Ditto for comments. * mips-nat.c (fetch_inferior_registers): Ditto. (store_inferior_registers, fetch_core_registers): Ditto. * m68k-tdep.c (m68k_push_dummy_frame): Ditto. (m68k_pop_frame, m68k_frame_init_saved_regs): Ditto. * i386-tdep.c (i386_frame_init_saved_regs): Ditto. (i386_do_pop_frame, i386_register_type): Ditto. * hppa-tdep.c (hppa_frame_chain): Ditto. (hppa_push_dummy_frame, find_dummy_frame_regs): Ditto. (hppa_pop_frame, hppa_read_fp): Ditto. (skip_prologue_hard_way, hppa_frame_find_saved_regs): Ditto. * cris-tdep.c (cris_examine, cris_pop_frame): Ditto. * config/vax/nm-vax.h (REGISTER_U_ADDR): Ditto. * config/sparc/tm-sparc.h (DEPRECATED_FP_REGNUM): Ditto. * config/sparc/tm-sp64.h (DEPRECATED_FP_REGNUM): Ditto. * config/s390/tm-s390.h (DEPRECATED_FP_REGNUM): Ditto. * config/pa/tm-hppa64.h (DEPRECATED_FP_REGNUM): Ditto. * config/ia64/tm-ia64.h (DEPRECATED_FP_REGNUM): Ditto. * blockframe.c: Ditto for comments. * arch-utils.h: Ditto for comments. * arch-utils.c (legacy_virtual_frame_pointer): Ditto. * alphanbsd-tdep.c (fetch_core_registers): Ditto. * alphabsd-nat.c (fetch_inferior_registers): Ditto. * alpha-tdep.h: Ditto for comments. * alpha-tdep.c (alpha_cannot_fetch_register): Ditto. (alpha_cannot_store_register): Ditto. (alpha_push_dummy_frame): Ditto. * alpha-nat.c (supply_gregset): Ditto. * config/sparc/tm-sp64.h (DEPRECATED_TARGET_READ_FP): Update. * config/pa/tm-hppa64.h (DEPRECATED_TARGET_READ_FP): Update. * config/sparc/tm-sparc.h: Update comment. * hppa-tdep.c (hppa_init_extra_frame_info): Use deprecated_read_fp instead of TARGET_READ_FP. (hppa_init_extra_frame_info, hppa_frame_chain): Ditto. (hppa_push_dummy_frame, hppa_read_fp): Ditto. * sparc-tdep.c (sparc_init_extra_frame_info): Use deprecated_read_fp instead of read_fp. * s390-tdep.c (s390_push_arguments): Ditto. * ia64-tdep.c (ia64_gdbarch_init): Ditto. * frame.h: Ditto in comments. * frame.c (legacy_get_prev_frame): Ditto. * dummy-frame.c (dummy_frame_this_id): Ditto. * arm-tdep.c (arm_init_extra_frame_info): Ditto. 2003-04-28 Andrew Cagney <cagney@redhat.com> * gdbint.texinfo (Target Architecture Definition): Replace read_fp, TARGET_READ_FP and FP_REGNUM, with deprecated_read_fp, DEPRECATED_TARGET_READ_FP and DEPRECATED_REGNUM.
2003-04-29 09:49:49 +08:00
there is an DEPRECATED_FP_REGNUM and that it is the same, cooked or
raw. */
extern gdbarch_virtual_frame_pointer_ftype legacy_virtual_frame_pointer;
extern CORE_ADDR generic_skip_trampoline_code (CORE_ADDR pc);
extern CORE_ADDR generic_skip_solib_resolver (CORE_ADDR pc);
extern int generic_in_solib_call_trampoline (CORE_ADDR pc, char *name);
extern int generic_in_solib_return_trampoline (CORE_ADDR pc, char *name);
extern int generic_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc);
/* Assume that the world is sane, a registers raw and virtual size
both match its type. */
extern int generic_register_size (int regnum);
/* Assume that the world is sane, the registers are all adjacent. */
extern int generic_register_byte (int regnum);
/* Prop up old targets that use various IN_SIGTRAMP() macros. */
extern int legacy_pc_in_sigtramp (CORE_ADDR pc, char *name);
/* The orginal register_convert*() functions were overloaded. They
were used to both: convert between virtual and raw register formats
(something that is discouraged); and to convert a register to the
type of a corresponding variable. These legacy functions preserve
that overloaded behavour in existing targets. */
2003-06-14 Andrew Cagney <cagney@redhat.com> Mark Kettenis <kettenis@gnu.org> * gdbarch.sh (CONVERT_REGISTER_P): Add "type" parameter. (REGISTER_TO_VALUE, VALUE_TO_REGISTER): Replace raw buffer parameter with "frame". * gdbarch.h, gdbarch.c: Re-generate. * frame.h (put_frame_register): Declare. * frame.c (put_frame_register): New function. * arch-utils.c (legacy_convert_register_p): Add "type" parameter. (legacy_register_to_value): Rewrite, use "frame" to get the register value. (legacy_value_to_register): Rewrite, use "frame" to find the register's location before storing. * arch-utils.h (legacy_convert_register_p): Update. (legacy_register_to_value, legacy_value_to_register): Update. * findvar.c (value_from_register): Rewrite, eliminate use of REGISTER_CONVERT_TO_TYPE, pass "type" to CONVERT_REGISTER_P, pass "frame" to REGISTER_TO_VALUE. * valops.c (value_assign): Move the CONVERT_REGISTER code to the lval_reg_frame_relative + lval_register branch of the switch. Do not use REGISTER_CONVERT_FROM_TYPE. Use put_frame_register. * i386-tdep.c (I386_EBX_REGNUM, I386_ECX_REGNUM, I386_ESI_REGNUM, I386_EDI_REGNUM): New defines. (i386_next_regnum, i386_convert_register_p, i386_register_to_value, i386_value_to_register): New functions. (i386_register_convertible, i386_register_convert_to_virtual, i386_convert_to_raw): Remove functions. (i386_gdbarch_init): Set convert_register_p, register_to_value and value_to_register instead of register_convertible, register_convert_to_virtual and register_convert_to_raw. * mips-tdep.c (mips_convert_register_p): New function. (mips_value_to_register): Replace mips_register_convert_from_type. (mips_register_to_value): Replace mips_register_convert_to_type. (mips_gdbarch_init): Set conver_register_p, value_to_register and register_to_value. * alpha-tdep.c (alpha_convert_register_p): Update. (alpha_value_to_register): Update, store the register. (alpha_register_to_value): Update, fetch the register.
2003-06-15 06:35:25 +08:00
extern int legacy_convert_register_p (int regnum, struct type *type);
extern void legacy_register_to_value (struct frame_info *frame, int regnum,
struct type *type, void *to);
extern void legacy_value_to_register (struct frame_info *frame, int regnum,
struct type *type, const void *from);
extern int default_stabs_argument_has_addr (struct gdbarch *gdbarch,
struct type *type);
/* For compatibility with older architectures, returns
(LEGACY_SIM_REGNO_IGNORE) when the register doesn't have a valid
name. */
extern int legacy_register_sim_regno (int regnum);
/* Return the selected byte order, or BFD_ENDIAN_UNKNOWN if no byte
order was explicitly selected. */
extern enum bfd_endian selected_byte_order (void);
/* Return the selected architecture's name, or NULL if no architecture
was explicitly selected. */
extern const char *selected_architecture_name (void);
/* Initialize a ``struct info''. Can't use memset(0) since some
default values are not zero. "fill" takes all available
information and fills in any unspecified fields. */
extern void gdbarch_info_init (struct gdbarch_info *info);
extern void gdbarch_info_fill (struct gdbarch *gdbarch,
struct gdbarch_info *info);
/* Similar to init, but this time fill in the blanks. Information is
obtained from the specified architecture, global "set ..." options,
and explicitly initialized INFO fields. */
extern void gdbarch_info_fill (struct gdbarch *gdbarch,
struct gdbarch_info *info);
/* Return the architecture for ABFD. If no suitable architecture
could be find, return NULL. */
extern struct gdbarch *gdbarch_from_bfd (bfd *abfd);
#endif