struct bp_target_info;
struct target_desc;
struct displaced_step_closure;
+struct core_regset_section;
+struct syscall;
-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 struct value * gdbarch_value_from_register (struct gdbarch *gdbarch, struct type *type, int regnum, struct frame_info *frame);
extern void set_gdbarch_value_from_register (struct gdbarch *gdbarch, gdbarch_value_from_register_ftype *value_from_register);
-typedef CORE_ADDR (gdbarch_pointer_to_address_ftype) (struct type *type, const gdb_byte *buf);
+typedef CORE_ADDR (gdbarch_pointer_to_address_ftype) (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf);
extern CORE_ADDR gdbarch_pointer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf);
extern void set_gdbarch_pointer_to_address (struct gdbarch *gdbarch, gdbarch_pointer_to_address_ftype *pointer_to_address);
-typedef void (gdbarch_address_to_pointer_ftype) (struct type *type, gdb_byte *buf, CORE_ADDR addr);
+typedef void (gdbarch_address_to_pointer_ftype) (struct gdbarch *gdbarch, struct type *type, gdb_byte *buf, CORE_ADDR addr);
extern void gdbarch_address_to_pointer (struct gdbarch *gdbarch, struct type *type, gdb_byte *buf, CORE_ADDR addr);
extern void set_gdbarch_address_to_pointer (struct gdbarch *gdbarch, gdbarch_address_to_pointer_ftype *address_to_pointer);
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. */
/* Some systems also have trampoline code for returning from shared libs. */
-typedef int (gdbarch_in_solib_return_trampoline_ftype) (CORE_ADDR pc, char *name);
+typedef int (gdbarch_in_solib_return_trampoline_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc, char *name);
extern int gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, CORE_ADDR pc, char *name);
extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, gdbarch_in_solib_return_trampoline_ftype *in_solib_return_trampoline);
extern int gdbarch_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR addr);
extern void set_gdbarch_in_function_epilogue_p (struct gdbarch *gdbarch, gdbarch_in_function_epilogue_p_ftype *in_function_epilogue_p);
-/* Given a vector of command-line arguments, return a newly allocated
- string which, when passed to the create_inferior function, will be
- parsed (on Unix systems, by the shell) to yield the same vector.
- This function should call error() if the argument vector is not
- representable for this target or if this target does not support
- command-line arguments.
- ARGC is the number of elements in the vector.
- ARGV is an array of strings, one per argument. */
-
-typedef char * (gdbarch_construct_inferior_arguments_ftype) (struct gdbarch *gdbarch, int argc, char **argv);
-extern char * gdbarch_construct_inferior_arguments (struct gdbarch *gdbarch, int argc, char **argv);
-extern void set_gdbarch_construct_inferior_arguments (struct gdbarch *gdbarch, gdbarch_construct_inferior_arguments_ftype *construct_inferior_arguments);
-
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);
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);
+
+/* BFD target to use when generating a core file. */
+
+extern int gdbarch_gcore_bfd_target_p (struct gdbarch *gdbarch);
+
+extern const char * gdbarch_gcore_bfd_target (struct gdbarch *gdbarch);
+extern void set_gdbarch_gcore_bfd_target (struct gdbarch *gdbarch, const char * gcore_bfd_target);
+
/* 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 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);
+
+/* Save process state after a signal.
+ Return -1 if something goes wrong, 0 otherwise. */
+
+extern int gdbarch_process_record_signal_p (struct gdbarch *gdbarch);
+
+typedef int (gdbarch_process_record_signal_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, enum target_signal signal);
+extern int gdbarch_process_record_signal (struct gdbarch *gdbarch, struct regcache *regcache, enum target_signal signal);
+extern void set_gdbarch_process_record_signal (struct gdbarch *gdbarch, gdbarch_process_record_signal_ftype *process_record_signal);
+
/* 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);
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);
+/* Function for the 'catch syscall' feature.
+ Get architecture-specific system calls information from registers. */
+
+extern int gdbarch_get_syscall_number_p (struct gdbarch *gdbarch);
+
+typedef LONGEST (gdbarch_get_syscall_number_ftype) (struct gdbarch *gdbarch, ptid_t ptid);
+extern LONGEST gdbarch_get_syscall_number (struct gdbarch *gdbarch, ptid_t ptid);
+extern void set_gdbarch_get_syscall_number (struct gdbarch *gdbarch, gdbarch_get_syscall_number_ftype *get_syscall_number);
+
+/* 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);
+
+/* Definition for an unknown syscall, used basically in error-cases. */
+#define UNKNOWN_SYSCALL (-1)
+
extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
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.
+ architecture family.
The INIT function shall return any of: NULL - indicating that it
doesn't recognize the selected architecture; an existing ``struct
/* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
int byte_order;
+ int byte_order_for_code;
+
/* Use default: NULL (ZERO). */
bfd *abfd;
set, and then finished using gdbarch_info_fill.
Returns the corresponding architecture, or NULL if no matching
- architecture was found. "current_gdbarch" is not updated. */
+ architecture was found. */
extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info);
-/* Helper function. Set the global "current_gdbarch" to "gdbarch".
+/* Helper function. Set the global "target_gdbarch" to "gdbarch".
FIXME: kettenis/20031124: Of the functions that follow, only
gdbarch_from_bfd is supposed to survive. The others will
multi-arch. However, for now we're still stuck with the concept of
a single active architecture. */
-extern void deprecated_current_gdbarch_select_hack (struct gdbarch *gdbarch);
+extern void deprecated_target_gdbarch_select_hack (struct gdbarch *gdbarch);
/* Register per-architecture data-pointer.
projects / deliverable / binutils-gdb.git / blobdiff