struct obstack;
struct bp_target_info;
struct target_desc;
+struct displaced_step_closure;
+struct core_regset_section;
extern struct gdbarch *current_gdbarch;
+/* The architecture associated with the connection to the target.
+
+ The architecture vector provides some information that is really
+ a property of the target: The layout of certain packets, for instance;
+ or the solib_ops vector. Etc. To differentiate architecture accesses
+ to per-target properties from per-thread/per-frame/per-objfile properties,
+ accesses to per-target properties should be made through target_gdbarch.
+
+ Eventually, when support for multiple targets is implemented in
+ GDB, this global should be made target-specific. */
+extern struct gdbarch *target_gdbarch;
+
/* The following are pre-initialized by GDBARCH. */
extern int gdbarch_byte_order (struct gdbarch *gdbarch);
/* set_gdbarch_byte_order() - not applicable - pre-initialized. */
+extern int gdbarch_byte_order_for_code (struct gdbarch *gdbarch);
+/* set_gdbarch_byte_order_for_code() - not applicable - pre-initialized. */
+
extern enum gdb_osabi gdbarch_osabi (struct gdbarch *gdbarch);
/* set_gdbarch_osabi() - not applicable - pre-initialized. */
extern int gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, int ecoff_regnr);
extern void set_gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_ecoff_reg_to_regnum_ftype *ecoff_reg_to_regnum);
-/* Provide a default mapping from a DWARF register number to a gdb REGNUM. */
-
-typedef int (gdbarch_dwarf_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int dwarf_regnr);
-extern int gdbarch_dwarf_reg_to_regnum (struct gdbarch *gdbarch, int dwarf_regnr);
-extern void set_gdbarch_dwarf_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_dwarf_reg_to_regnum_ftype *dwarf_reg_to_regnum);
-
/* Convert from an sdb register number to an internal gdb register number. */
typedef int (gdbarch_sdb_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int sdb_regnr);
extern int gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, int sdb_regnr);
extern void set_gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_sdb_reg_to_regnum_ftype *sdb_reg_to_regnum);
+/* Provide a default mapping from a DWARF2 register number to a gdb REGNUM. */
+
typedef int (gdbarch_dwarf2_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int dwarf2_regnr);
extern int gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, int dwarf2_regnr);
extern void set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_dwarf2_reg_to_regnum_ftype *dwarf2_reg_to_regnum);
extern CORE_ADDR gdbarch_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR ip);
extern void set_gdbarch_skip_prologue (struct gdbarch *gdbarch, gdbarch_skip_prologue_ftype *skip_prologue);
+extern int gdbarch_skip_main_prologue_p (struct gdbarch *gdbarch);
+
+typedef CORE_ADDR (gdbarch_skip_main_prologue_ftype) (struct gdbarch *gdbarch, CORE_ADDR ip);
+extern CORE_ADDR gdbarch_skip_main_prologue (struct gdbarch *gdbarch, CORE_ADDR ip);
+extern void set_gdbarch_skip_main_prologue (struct gdbarch *gdbarch, gdbarch_skip_main_prologue_ftype *skip_main_prologue);
+
typedef int (gdbarch_inner_than_ftype) (CORE_ADDR lhs, CORE_ADDR rhs);
extern int gdbarch_inner_than (struct gdbarch *gdbarch, CORE_ADDR lhs, CORE_ADDR rhs);
extern void set_gdbarch_inner_than (struct gdbarch *gdbarch, gdbarch_inner_than_ftype *inner_than);
sort of generic thing to handle alignment or segmentation (it's
possible it should be in TARGET_READ_PC instead). */
-typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype) (CORE_ADDR addr);
+typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr);
extern CORE_ADDR gdbarch_addr_bits_remove (struct gdbarch *gdbarch, CORE_ADDR addr);
extern void set_gdbarch_addr_bits_remove (struct gdbarch *gdbarch, gdbarch_addr_bits_remove_ftype *addr_bits_remove);
/* It is not at all clear why gdbarch_smash_text_address is not folded into
gdbarch_addr_bits_remove. */
-typedef CORE_ADDR (gdbarch_smash_text_address_ftype) (CORE_ADDR addr);
+typedef CORE_ADDR (gdbarch_smash_text_address_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr);
extern CORE_ADDR gdbarch_smash_text_address (struct gdbarch *gdbarch, CORE_ADDR addr);
extern void set_gdbarch_smash_text_address (struct gdbarch *gdbarch, gdbarch_smash_text_address_ftype *smash_text_address);
extern CORE_ADDR gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, struct frame_info *frame, CORE_ADDR pc);
extern void set_gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, gdbarch_skip_trampoline_code_ftype *skip_trampoline_code);
-/* If IN_SOLIB_DYNSYM_RESOLVE_CODE returns true, and SKIP_SOLIB_RESOLVER
+/* If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER
evaluates non-zero, this is the address where the debugger will place
a step-resume breakpoint to get us past the dynamic linker. */
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);
-extern const char * gdbarch_name_of_malloc (struct gdbarch *gdbarch);
-extern void set_gdbarch_name_of_malloc (struct gdbarch *gdbarch, const char * name_of_malloc);
-
extern int gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch);
extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch, int cannot_step_breakpoint);
extern const struct regset * gdbarch_regset_from_core_section (struct gdbarch *gdbarch, const char *sect_name, size_t sect_size);
extern void set_gdbarch_regset_from_core_section (struct gdbarch *gdbarch, gdbarch_regset_from_core_section_ftype *regset_from_core_section);
+/* When creating core dumps, some systems encode the PID in addition
+ to the LWP id in core file register section names. In those cases, the
+ "XXX" in ".reg/XXX" is encoded as [LWPID << 16 | PID]. This setting
+ is set to true for such architectures; false if "XXX" represents an LWP
+ or thread id with no special encoding. */
+
+extern int gdbarch_core_reg_section_encodes_pid (struct gdbarch *gdbarch);
+extern void set_gdbarch_core_reg_section_encodes_pid (struct gdbarch *gdbarch, int core_reg_section_encodes_pid);
+
+/* Supported register notes in a core file. */
+
+extern struct core_regset_section * gdbarch_core_regset_sections (struct gdbarch *gdbarch);
+extern void set_gdbarch_core_regset_sections (struct gdbarch *gdbarch, struct core_regset_section * core_regset_sections);
+
/* Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from
core file into buffer READBUF with length LEN. */
extern LONGEST gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, LONGEST len);
extern void set_gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdbarch_core_xfer_shared_libraries_ftype *core_xfer_shared_libraries);
+/* How the core_stratum layer converts a PTID from a core file to a
+ string. */
+
+extern int gdbarch_core_pid_to_str_p (struct gdbarch *gdbarch);
+
+typedef char * (gdbarch_core_pid_to_str_ftype) (struct gdbarch *gdbarch, ptid_t ptid);
+extern char * gdbarch_core_pid_to_str (struct gdbarch *gdbarch, ptid_t ptid);
+extern void set_gdbarch_core_pid_to_str (struct gdbarch *gdbarch, gdbarch_core_pid_to_str_ftype *core_pid_to_str);
+
/* If the elements of C++ vtables are in-place function descriptors rather
than normal function pointers (which may point to code or a descriptor),
set this to one. */
extern void gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, struct regcache *regcache);
extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, gdbarch_skip_permanent_breakpoint_ftype *skip_permanent_breakpoint);
+/* The maximum length of an instruction on this architecture. */
+
+extern int gdbarch_max_insn_length_p (struct gdbarch *gdbarch);
+
+extern ULONGEST gdbarch_max_insn_length (struct gdbarch *gdbarch);
+extern void set_gdbarch_max_insn_length (struct gdbarch *gdbarch, ULONGEST max_insn_length);
+
+/* Copy the instruction at FROM to TO, and make any adjustments
+ necessary to single-step it at that address.
+
+ REGS holds the state the thread's registers will have before
+ executing the copied instruction; the PC in REGS will refer to FROM,
+ not the copy at TO. The caller should update it to point at TO later.
+
+ Return a pointer to data of the architecture's choice to be passed
+ to gdbarch_displaced_step_fixup. Or, return NULL to indicate that
+ the instruction's effects have been completely simulated, with the
+ resulting state written back to REGS.
+
+ For a general explanation of displaced stepping and how GDB uses it,
+ see the comments in infrun.c.
+
+ The TO area is only guaranteed to have space for
+ gdbarch_max_insn_length (arch) bytes, so this function must not
+ write more bytes than that to that area.
+
+ If you do not provide this function, GDB assumes that the
+ architecture does not support displaced stepping.
+
+ If your architecture doesn't need to adjust instructions before
+ single-stepping them, consider using simple_displaced_step_copy_insn
+ here. */
+
+extern int gdbarch_displaced_step_copy_insn_p (struct gdbarch *gdbarch);
+
+typedef struct displaced_step_closure * (gdbarch_displaced_step_copy_insn_ftype) (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, struct regcache *regs);
+extern struct displaced_step_closure * gdbarch_displaced_step_copy_insn (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, struct regcache *regs);
+extern void set_gdbarch_displaced_step_copy_insn (struct gdbarch *gdbarch, gdbarch_displaced_step_copy_insn_ftype *displaced_step_copy_insn);
+
+/* Fix up the state resulting from successfully single-stepping a
+ displaced instruction, to give the result we would have gotten from
+ stepping the instruction in its original location.
+
+ REGS is the register state resulting from single-stepping the
+ displaced instruction.
+
+ CLOSURE is the result from the matching call to
+ gdbarch_displaced_step_copy_insn.
+
+ If you provide gdbarch_displaced_step_copy_insn.but not this
+ function, then GDB assumes that no fixup is needed after
+ single-stepping the instruction.
+
+ For a general explanation of displaced stepping and how GDB uses it,
+ see the comments in infrun.c. */
+
+extern int gdbarch_displaced_step_fixup_p (struct gdbarch *gdbarch);
+
+typedef void (gdbarch_displaced_step_fixup_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs);
+extern void gdbarch_displaced_step_fixup (struct gdbarch *gdbarch, struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs);
+extern void set_gdbarch_displaced_step_fixup (struct gdbarch *gdbarch, gdbarch_displaced_step_fixup_ftype *displaced_step_fixup);
+
+/* Free a closure returned by gdbarch_displaced_step_copy_insn.
+
+ If you provide gdbarch_displaced_step_copy_insn, you must provide
+ this function as well.
+
+ If your architecture uses closures that don't need to be freed, then
+ you can use simple_displaced_step_free_closure here.
+
+ For a general explanation of displaced stepping and how GDB uses it,
+ see the comments in infrun.c. */
+
+typedef void (gdbarch_displaced_step_free_closure_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure);
+extern void gdbarch_displaced_step_free_closure (struct gdbarch *gdbarch, struct displaced_step_closure *closure);
+extern void set_gdbarch_displaced_step_free_closure (struct gdbarch *gdbarch, gdbarch_displaced_step_free_closure_ftype *displaced_step_free_closure);
+
+/* Return the address of an appropriate place to put displaced
+ instructions while we step over them. There need only be one such
+ place, since we're only stepping one thread over a breakpoint at a
+ time.
+
+ For a general explanation of displaced stepping and how GDB uses it,
+ see the comments in infrun.c. */
+
+typedef CORE_ADDR (gdbarch_displaced_step_location_ftype) (struct gdbarch *gdbarch);
+extern CORE_ADDR gdbarch_displaced_step_location (struct gdbarch *gdbarch);
+extern void set_gdbarch_displaced_step_location (struct gdbarch *gdbarch, gdbarch_displaced_step_location_ftype *displaced_step_location);
+
/* Refresh overlay mapped state for section OSECT. */
extern int gdbarch_overlay_update_p (struct gdbarch *gdbarch);
extern int gdbarch_sofun_address_maybe_missing (struct gdbarch *gdbarch);
extern void set_gdbarch_sofun_address_maybe_missing (struct gdbarch *gdbarch, int sofun_address_maybe_missing);
+/* Parse the instruction at ADDR storing in the record execution log
+ the registers REGCACHE and memory ranges that will be affected when
+ the instruction executes, along with their current values.
+ Return -1 if something goes wrong, 0 otherwise. */
+
+extern int gdbarch_process_record_p (struct gdbarch *gdbarch);
+
+typedef int (gdbarch_process_record_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr);
+extern int gdbarch_process_record (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr);
+extern void set_gdbarch_process_record (struct gdbarch *gdbarch, gdbarch_process_record_ftype *process_record);
+
/* Signal translation: translate inferior's signal (host's) number into
GDB's representation. */
extern int gdbarch_target_signal_to_host (struct gdbarch *gdbarch, enum target_signal ts);
extern void set_gdbarch_target_signal_to_host (struct gdbarch *gdbarch, gdbarch_target_signal_to_host_ftype *target_signal_to_host);
+/* Extra signal info inspection.
+
+ Return a type suitable to inspect extra signal information. */
+
+extern int gdbarch_get_siginfo_type_p (struct gdbarch *gdbarch);
+
+typedef struct type * (gdbarch_get_siginfo_type_ftype) (struct gdbarch *gdbarch);
+extern struct type * gdbarch_get_siginfo_type (struct gdbarch *gdbarch);
+extern void set_gdbarch_get_siginfo_type (struct gdbarch *gdbarch, gdbarch_get_siginfo_type_ftype *get_siginfo_type);
+
+/* Record architecture-specific information from the symbol table. */
+
+extern int gdbarch_record_special_symbol_p (struct gdbarch *gdbarch);
+
+typedef void (gdbarch_record_special_symbol_ftype) (struct gdbarch *gdbarch, struct objfile *objfile, asymbol *sym);
+extern void gdbarch_record_special_symbol (struct gdbarch *gdbarch, struct objfile *objfile, asymbol *sym);
+extern void set_gdbarch_record_special_symbol (struct gdbarch *gdbarch, gdbarch_record_special_symbol_ftype *record_special_symbol);
+
+/* True if the list of shared libraries is one and only for all
+ processes, as opposed to a list of shared libraries per inferior.
+ This usually means that all processes, although may or may not share
+ an address space, will see the same set of symbols at the same
+ addresses. */
+
+extern int gdbarch_has_global_solist (struct gdbarch *gdbarch);
+extern void set_gdbarch_has_global_solist (struct gdbarch *gdbarch, int has_global_solist);
+
+/* On some targets, even though each inferior has its own private
+ address space, the debug interface takes care of making breakpoints
+ visible to all address spaces automatically. For such cases,
+ this property should be set to true. */
+
+extern int gdbarch_has_global_breakpoints (struct gdbarch *gdbarch);
+extern void set_gdbarch_has_global_breakpoints (struct gdbarch *gdbarch, int has_global_breakpoints);
+
extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
/* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
int byte_order;
+ int byte_order_for_code;
+
/* Use default: NULL (ZERO). */
bfd *abfd;
projects / deliverable / binutils-gdb.git / blobdiff