#include "dis-asm.h" /* Get defs for disassemble_info, which unfortunately is a typedef. */
#if !GDB_MULTI_ARCH
+/* Pull in function declarations refered to, indirectly, via macros. */
#include "value.h" /* For default_coerce_float_to_double which is referenced by a macro. */
+#include "inferior.h" /* For unsigned_address_to_pointer(). */
#endif
struct frame_info;
struct value;
struct objfile;
+struct minimal_symbol;
extern struct gdbarch *current_gdbarch;
/* Default (value) for non- multi-arch platforms. */
#if (!GDB_MULTI_ARCH) && !defined (TARGET_LONG_DOUBLE_BIT)
-#define TARGET_LONG_DOUBLE_BIT (2*TARGET_DOUBLE_BIT)
+#define TARGET_LONG_DOUBLE_BIT (8*TARGET_CHAR_BIT)
#endif
extern int gdbarch_long_double_bit (struct gdbarch *gdbarch);
#endif
#endif
-/* Default (function) for non- multi-arch platforms. */
-#if (!GDB_MULTI_ARCH) && !defined (TARGET_WRITE_FP)
-#define TARGET_WRITE_FP(val) (generic_target_write_fp (val))
-#endif
-
-typedef void (gdbarch_write_fp_ftype) (CORE_ADDR val);
-extern void gdbarch_write_fp (struct gdbarch *gdbarch, CORE_ADDR val);
-extern void set_gdbarch_write_fp (struct gdbarch *gdbarch, gdbarch_write_fp_ftype *write_fp);
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (TARGET_WRITE_FP)
-#error "Non multi-arch definition of TARGET_WRITE_FP"
-#endif
-#if GDB_MULTI_ARCH
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_WRITE_FP)
-#define TARGET_WRITE_FP(val) (gdbarch_write_fp (current_gdbarch, val))
-#endif
-#endif
-
/* Default (function) for non- multi-arch platforms. */
#if (!GDB_MULTI_ARCH) && !defined (TARGET_READ_SP)
#define TARGET_READ_SP() (generic_target_read_sp ())
#endif
#endif
+/* GDB's standard (or well known) register numbers. These can map onto
+ a real register or a pseudo (computed) register or not be defined at
+ all (-1). */
+
+/* Default (value) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (SP_REGNUM)
+#define SP_REGNUM (-1)
+#endif
+
extern int gdbarch_sp_regnum (struct gdbarch *gdbarch);
extern void set_gdbarch_sp_regnum (struct gdbarch *gdbarch, int sp_regnum);
#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (SP_REGNUM)
#endif
#endif
+/* Default (value) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (FP_REGNUM)
+#define FP_REGNUM (-1)
+#endif
+
extern int gdbarch_fp_regnum (struct gdbarch *gdbarch);
extern void set_gdbarch_fp_regnum (struct gdbarch *gdbarch, int fp_regnum);
#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (FP_REGNUM)
#endif
#endif
+/* Default (value) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (PC_REGNUM)
+#define PC_REGNUM (-1)
+#endif
+
extern int gdbarch_pc_regnum (struct gdbarch *gdbarch);
extern void set_gdbarch_pc_regnum (struct gdbarch *gdbarch, int pc_regnum);
#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (PC_REGNUM)
#endif
#endif
+/* Default (value) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (PS_REGNUM)
+#define PS_REGNUM (-1)
+#endif
+
+extern int gdbarch_ps_regnum (struct gdbarch *gdbarch);
+extern void set_gdbarch_ps_regnum (struct gdbarch *gdbarch, int ps_regnum);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (PS_REGNUM)
+#error "Non multi-arch definition of PS_REGNUM"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (PS_REGNUM)
+#define PS_REGNUM (gdbarch_ps_regnum (current_gdbarch))
+#endif
+#endif
+
/* Default (value) for non- multi-arch platforms. */
#if (!GDB_MULTI_ARCH) && !defined (FP0_REGNUM)
#define FP0_REGNUM (-1)
#endif
#endif
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (PRINT_FLOAT_INFO)
+#define PRINT_FLOAT_INFO() (default_print_float_info ())
+#endif
+
+typedef void (gdbarch_print_float_info_ftype) (void);
+extern void gdbarch_print_float_info (struct gdbarch *gdbarch);
+extern void set_gdbarch_print_float_info (struct gdbarch *gdbarch, gdbarch_print_float_info_ftype *print_float_info);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (PRINT_FLOAT_INFO)
+#error "Non multi-arch definition of PRINT_FLOAT_INFO"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (PRINT_FLOAT_INFO)
+#define PRINT_FLOAT_INFO() (gdbarch_print_float_info (current_gdbarch))
+#endif
+#endif
+
/* MAP a GDB RAW register number onto a simulator register number. See
also include/...-sim.h. */
#endif
#endif
+/* setjmp/longjmp support. */
+
+#if defined (GET_LONGJMP_TARGET)
+/* Legacy for systems yet to multi-arch GET_LONGJMP_TARGET */
+#if !defined (GET_LONGJMP_TARGET_P)
+#define GET_LONGJMP_TARGET_P() (1)
+#endif
+#endif
+
+/* Default predicate for non- multi-arch targets. */
+#if (!GDB_MULTI_ARCH) && !defined (GET_LONGJMP_TARGET_P)
+#define GET_LONGJMP_TARGET_P() (0)
+#endif
+
+extern int gdbarch_get_longjmp_target_p (struct gdbarch *gdbarch);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (GET_LONGJMP_TARGET_P)
+#error "Non multi-arch definition of GET_LONGJMP_TARGET"
+#endif
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (GET_LONGJMP_TARGET_P)
+#define GET_LONGJMP_TARGET_P() (gdbarch_get_longjmp_target_p (current_gdbarch))
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (GET_LONGJMP_TARGET)
+#define GET_LONGJMP_TARGET(pc) (internal_error (__FILE__, __LINE__, "GET_LONGJMP_TARGET"), 0)
+#endif
+
+typedef int (gdbarch_get_longjmp_target_ftype) (CORE_ADDR *pc);
+extern int gdbarch_get_longjmp_target (struct gdbarch *gdbarch, CORE_ADDR *pc);
+extern void set_gdbarch_get_longjmp_target (struct gdbarch *gdbarch, gdbarch_get_longjmp_target_ftype *get_longjmp_target);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (GET_LONGJMP_TARGET)
+#error "Non multi-arch definition of GET_LONGJMP_TARGET"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (GET_LONGJMP_TARGET)
+#define GET_LONGJMP_TARGET(pc) (gdbarch_get_longjmp_target (current_gdbarch, pc))
+#endif
+#endif
+
+/* Non multi-arch DUMMY_FRAMES are a mess (multi-arch ones are not that
+ much better but at least they are vaguely consistent). The headers
+ and body contain convoluted #if/#else sequences for determine how
+ things should be compiled. Instead of trying to mimic that
+ behaviour here (and hence entrench it further) gdbarch simply
+ reqires that these methods be set up from the word go. This also
+ avoids any potential problems with moving beyond multi-arch partial. */
+
extern int gdbarch_use_generic_dummy_frames (struct gdbarch *gdbarch);
extern void set_gdbarch_use_generic_dummy_frames (struct gdbarch *gdbarch, int use_generic_dummy_frames);
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (USE_GENERIC_DUMMY_FRAMES)
+#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) && defined (USE_GENERIC_DUMMY_FRAMES)
#error "Non multi-arch definition of USE_GENERIC_DUMMY_FRAMES"
#endif
#if GDB_MULTI_ARCH
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (USE_GENERIC_DUMMY_FRAMES)
+#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) || !defined (USE_GENERIC_DUMMY_FRAMES)
#define USE_GENERIC_DUMMY_FRAMES (gdbarch_use_generic_dummy_frames (current_gdbarch))
#endif
#endif
extern int gdbarch_call_dummy_location (struct gdbarch *gdbarch);
extern void set_gdbarch_call_dummy_location (struct gdbarch *gdbarch, int call_dummy_location);
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_LOCATION)
+#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_LOCATION)
#error "Non multi-arch definition of CALL_DUMMY_LOCATION"
#endif
#if GDB_MULTI_ARCH
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_LOCATION)
+#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_LOCATION)
#define CALL_DUMMY_LOCATION (gdbarch_call_dummy_location (current_gdbarch))
#endif
#endif
extern int gdbarch_call_dummy_breakpoint_offset_p (struct gdbarch *gdbarch);
extern void set_gdbarch_call_dummy_breakpoint_offset_p (struct gdbarch *gdbarch, int call_dummy_breakpoint_offset_p);
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_BREAKPOINT_OFFSET_P)
+#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_BREAKPOINT_OFFSET_P)
#error "Non multi-arch definition of CALL_DUMMY_BREAKPOINT_OFFSET_P"
#endif
#if GDB_MULTI_ARCH
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_BREAKPOINT_OFFSET_P)
+#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_BREAKPOINT_OFFSET_P)
#define CALL_DUMMY_BREAKPOINT_OFFSET_P (gdbarch_call_dummy_breakpoint_offset_p (current_gdbarch))
#endif
#endif
typedef int (gdbarch_pc_in_call_dummy_ftype) (CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR frame_address);
extern int gdbarch_pc_in_call_dummy (struct gdbarch *gdbarch, CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR frame_address);
extern void set_gdbarch_pc_in_call_dummy (struct gdbarch *gdbarch, gdbarch_pc_in_call_dummy_ftype *pc_in_call_dummy);
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (PC_IN_CALL_DUMMY)
+#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) && defined (PC_IN_CALL_DUMMY)
#error "Non multi-arch definition of PC_IN_CALL_DUMMY"
#endif
#if GDB_MULTI_ARCH
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (PC_IN_CALL_DUMMY)
+#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) || !defined (PC_IN_CALL_DUMMY)
#define PC_IN_CALL_DUMMY(pc, sp, frame_address) (gdbarch_pc_in_call_dummy (current_gdbarch, pc, sp, frame_address))
#endif
#endif
extern int gdbarch_call_dummy_p (struct gdbarch *gdbarch);
extern void set_gdbarch_call_dummy_p (struct gdbarch *gdbarch, int call_dummy_p);
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_P)
+#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_P)
#error "Non multi-arch definition of CALL_DUMMY_P"
#endif
#if GDB_MULTI_ARCH
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_P)
+#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_P)
#define CALL_DUMMY_P (gdbarch_call_dummy_p (current_gdbarch))
#endif
#endif
extern int gdbarch_call_dummy_stack_adjust_p (struct gdbarch *gdbarch);
extern void set_gdbarch_call_dummy_stack_adjust_p (struct gdbarch *gdbarch, int call_dummy_stack_adjust_p);
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_STACK_ADJUST_P)
+#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) && defined (CALL_DUMMY_STACK_ADJUST_P)
#error "Non multi-arch definition of CALL_DUMMY_STACK_ADJUST_P"
#endif
#if GDB_MULTI_ARCH
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_STACK_ADJUST_P)
+#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) || !defined (CALL_DUMMY_STACK_ADJUST_P)
#define CALL_DUMMY_STACK_ADJUST_P (gdbarch_call_dummy_stack_adjust_p (current_gdbarch))
#endif
#endif
#endif
#endif
+/* GET_SAVED_REGISTER is like DUMMY_FRAMES. It is at level one as the
+ old code has strange #ifdef interaction. So far no one has found
+ that default_get_saved_register() is the default they are after. */
+
typedef void (gdbarch_get_saved_register_ftype) (char *raw_buffer, int *optimized, CORE_ADDR *addrp, struct frame_info *frame, int regnum, enum lval_type *lval);
extern void gdbarch_get_saved_register (struct gdbarch *gdbarch, char *raw_buffer, int *optimized, CORE_ADDR *addrp, struct frame_info *frame, int regnum, enum lval_type *lval);
extern void set_gdbarch_get_saved_register (struct gdbarch *gdbarch, gdbarch_get_saved_register_ftype *get_saved_register);
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (GET_SAVED_REGISTER)
+#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) && defined (GET_SAVED_REGISTER)
#error "Non multi-arch definition of GET_SAVED_REGISTER"
#endif
#if GDB_MULTI_ARCH
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (GET_SAVED_REGISTER)
+#if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PARTIAL) || !defined (GET_SAVED_REGISTER)
#define GET_SAVED_REGISTER(raw_buffer, optimized, addrp, frame, regnum, lval) (gdbarch_get_saved_register (current_gdbarch, raw_buffer, optimized, addrp, frame, regnum, lval))
#endif
#endif
#endif
#endif
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (PUSH_ARGUMENTS)
+#define PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) (default_push_arguments (nargs, args, sp, struct_return, struct_addr))
+#endif
+
typedef CORE_ADDR (gdbarch_push_arguments_ftype) (int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr);
extern CORE_ADDR gdbarch_push_arguments (struct gdbarch *gdbarch, int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr);
extern void set_gdbarch_push_arguments (struct gdbarch *gdbarch, gdbarch_push_arguments_ftype *push_arguments);
#define BREAKPOINT_FROM_PC(pcptr, lenptr) (legacy_breakpoint_from_pc (pcptr, lenptr))
#endif
-typedef unsigned char * (gdbarch_breakpoint_from_pc_ftype) (CORE_ADDR *pcptr, int *lenptr);
-extern unsigned char * gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr);
+typedef const unsigned char * (gdbarch_breakpoint_from_pc_ftype) (CORE_ADDR *pcptr, int *lenptr);
+extern const unsigned char * gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr);
extern void set_gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_breakpoint_from_pc_ftype *breakpoint_from_pc);
#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (BREAKPOINT_FROM_PC)
#error "Non multi-arch definition of BREAKPOINT_FROM_PC"
#endif
#endif
+/* Define a default FRAME_CHAIN_VALID, in the form that is suitable for
+ most targets. If FRAME_CHAIN_VALID returns zero it means that the
+ given frame is the outermost one and has no caller.
+
+ XXXX - both default and alternate frame_chain_valid functions are
+ deprecated. New code should use dummy frames and one of the generic
+ functions. */
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (FRAME_CHAIN_VALID)
+#define FRAME_CHAIN_VALID(chain, thisframe) (func_frame_chain_valid (chain, thisframe))
+#endif
+
typedef int (gdbarch_frame_chain_valid_ftype) (CORE_ADDR chain, struct frame_info *thisframe);
extern int gdbarch_frame_chain_valid (struct gdbarch *gdbarch, CORE_ADDR chain, struct frame_info *thisframe);
extern void set_gdbarch_frame_chain_valid (struct gdbarch *gdbarch, gdbarch_frame_chain_valid_ftype *frame_chain_valid);
/* Default (value) for non- multi-arch platforms. */
#if (!GDB_MULTI_ARCH) && !defined (TARGET_LONG_DOUBLE_FORMAT)
-#define TARGET_LONG_DOUBLE_FORMAT (&floatformat_unknown)
+#define TARGET_LONG_DOUBLE_FORMAT (default_double_format (current_gdbarch))
#endif
extern const struct floatformat * gdbarch_long_double_format (struct gdbarch *gdbarch);
#endif
#endif
+/* Sigtramp is a routine that the kernel calls (which then calls the
+ signal handler). On most machines it is a library routine that is
+ linked into the executable.
+
+ This macro, given a program counter value and the name of the
+ function in which that PC resides (which can be null if the name is
+ not known), returns nonzero if the PC and name show that we are in
+ sigtramp.
+
+ On most machines just see if the name is sigtramp (and if we have
+ no name, assume we are not in sigtramp).
+
+ FIXME: cagney/2002-04-21: The function find_pc_partial_function
+ calls find_pc_sect_partial_function() which calls PC_IN_SIGTRAMP.
+ This means PC_IN_SIGTRAMP function can't be implemented by doing its
+ own local NAME lookup.
+
+ FIXME: cagney/2002-04-21: PC_IN_SIGTRAMP is something of a mess.
+ Some code also depends on SIGTRAMP_START and SIGTRAMP_END but other
+ does not. */
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (PC_IN_SIGTRAMP)
+#define PC_IN_SIGTRAMP(pc, name) (legacy_pc_in_sigtramp (pc, name))
+#endif
+
+typedef int (gdbarch_pc_in_sigtramp_ftype) (CORE_ADDR pc, char *name);
+extern int gdbarch_pc_in_sigtramp (struct gdbarch *gdbarch, CORE_ADDR pc, char *name);
+extern void set_gdbarch_pc_in_sigtramp (struct gdbarch *gdbarch, gdbarch_pc_in_sigtramp_ftype *pc_in_sigtramp);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (PC_IN_SIGTRAMP)
+#error "Non multi-arch definition of PC_IN_SIGTRAMP"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (PC_IN_SIGTRAMP)
+#define PC_IN_SIGTRAMP(pc, name) (gdbarch_pc_in_sigtramp (current_gdbarch, pc, name))
+#endif
+#endif
+
/* A target might have problems with watchpoints as soon as the stack
frame of the current function has been destroyed. This mostly happens
as the first action in a funtion's epilogue. in_function_epilogue_p()
#endif
#endif
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (ELF_MAKE_MSYMBOL_SPECIAL)
+#define ELF_MAKE_MSYMBOL_SPECIAL(sym, msym) (default_elf_make_msymbol_special (sym, msym))
+#endif
+
+typedef void (gdbarch_elf_make_msymbol_special_ftype) (asymbol *sym, struct minimal_symbol *msym);
+extern void gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, asymbol *sym, struct minimal_symbol *msym);
+extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_elf_make_msymbol_special_ftype *elf_make_msymbol_special);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (ELF_MAKE_MSYMBOL_SPECIAL)
+#error "Non multi-arch definition of ELF_MAKE_MSYMBOL_SPECIAL"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (ELF_MAKE_MSYMBOL_SPECIAL)
+#define ELF_MAKE_MSYMBOL_SPECIAL(sym, msym) (gdbarch_elf_make_msymbol_special (current_gdbarch, sym, msym))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (COFF_MAKE_MSYMBOL_SPECIAL)
+#define COFF_MAKE_MSYMBOL_SPECIAL(val, msym) (default_coff_make_msymbol_special (val, msym))
+#endif
+
+typedef void (gdbarch_coff_make_msymbol_special_ftype) (int val, struct minimal_symbol *msym);
+extern void gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, int val, struct minimal_symbol *msym);
+extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_coff_make_msymbol_special_ftype *coff_make_msymbol_special);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (COFF_MAKE_MSYMBOL_SPECIAL)
+#error "Non multi-arch definition of COFF_MAKE_MSYMBOL_SPECIAL"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (COFF_MAKE_MSYMBOL_SPECIAL)
+#define COFF_MAKE_MSYMBOL_SPECIAL(val, msym) (gdbarch_coff_make_msymbol_special (current_gdbarch, val, msym))
+#endif
+#endif
+
extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
architecture; ARCHES which is a list of the previously created
``struct gdbarch'' for this architecture.
- The INIT function parameter INFO shall, as far as possible, be
- pre-initialized with information obtained from INFO.ABFD or
- previously selected architecture (if similar).
+ The INFO parameter is, as far as possible, be pre-initialized with
+ information obtained from INFO.ABFD or the previously selected
+ architecture.
+
+ The ARCHES parameter is a linked list (sorted most recently used)
+ of all the previously created architures for this architecture
+ family. The (possibly NULL) ARCHES->gdbarch can used to access
+ values from the previously selected architecture for this
+ architecture family. The global ``current_gdbarch'' shall not be
+ used.
The INIT function shall return any of: NULL - indicating that it
doesn't recognize the selected architecture; an existing ``struct