/* Dynamic architecture support for GDB, the GNU debugger.
- Copyright (C) 1998-2013 Free Software Foundation, Inc.
+ Copyright (C) 1998-2014 Free Software Foundation, Inc.
This file is part of GDB.
extern const struct bfd_arch_info * gdbarch_bfd_arch_info (struct gdbarch *gdbarch);
/* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */
-extern int gdbarch_byte_order (struct gdbarch *gdbarch);
+extern enum bfd_endian gdbarch_byte_order (struct gdbarch *gdbarch);
/* set_gdbarch_byte_order() - not applicable - pre-initialized. */
-extern int gdbarch_byte_order_for_code (struct gdbarch *gdbarch);
+extern enum bfd_endian 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);
extern int gdbarch_cannot_store_register (struct gdbarch *gdbarch, int regnum);
extern void set_gdbarch_cannot_store_register (struct gdbarch *gdbarch, gdbarch_cannot_store_register_ftype *cannot_store_register);
-/* setjmp/longjmp support. */
+/* Determine the address where a longjmp will land and save this address
+ in PC. Return nonzero on success.
+
+ FRAME corresponds to the longjmp frame. */
extern int gdbarch_get_longjmp_target_p (struct gdbarch *gdbarch);
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);
+/* On some platforms, a single function may provide multiple entry points,
+ e.g. one that is used for function-pointer calls and a different one
+ that is used for direct function calls.
+ In order to ensure that breakpoints set on the function will trigger
+ no matter via which entry point the function is entered, a platform
+ may provide the skip_entrypoint callback. It is called with IP set
+ to the main entry point of a function (as determined by the symbol table),
+ and should return the address of the innermost entry point, where the
+ actual breakpoint needs to be set. Note that skip_entrypoint is used
+ by GDB common code even when debugging optimized code, where skip_prologue
+ is not used. */
+
+extern int gdbarch_skip_entrypoint_p (struct gdbarch *gdbarch);
+
+typedef CORE_ADDR (gdbarch_skip_entrypoint_ftype) (struct gdbarch *gdbarch, CORE_ADDR ip);
+extern CORE_ADDR gdbarch_skip_entrypoint (struct gdbarch *gdbarch, CORE_ADDR ip);
+extern void set_gdbarch_skip_entrypoint (struct gdbarch *gdbarch, gdbarch_skip_entrypoint_ftype *skip_entrypoint);
+
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);
extern const char * gdbarch_address_class_type_flags_to_name (struct gdbarch *gdbarch, int type_flags);
extern void set_gdbarch_address_class_type_flags_to_name (struct gdbarch *gdbarch, gdbarch_address_class_type_flags_to_name_ftype *address_class_type_flags_to_name);
+/* Return the appropriate type_flags for the supplied address class.
+ This function should return 1 if the address class was recognized and
+ type_flags was set, zero otherwise. */
+
extern int gdbarch_address_class_name_to_type_flags_p (struct gdbarch *gdbarch);
typedef int (gdbarch_address_class_name_to_type_flags_ftype) (struct gdbarch *gdbarch, const char *name, int *type_flags_ptr);
extern void set_gdbarch_find_memory_regions (struct gdbarch *gdbarch, gdbarch_find_memory_regions_ftype *find_memory_regions);
/* Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from
- core file into buffer READBUF with length LEN. */
+ core file into buffer READBUF with length LEN. Return the number of bytes read
+ (zero indicates failure).
+ failed, otherwise, return the red length of READBUF. */
extern int gdbarch_core_xfer_shared_libraries_p (struct gdbarch *gdbarch);
-typedef LONGEST (gdbarch_core_xfer_shared_libraries_ftype) (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, LONGEST len);
-extern LONGEST gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, LONGEST len);
+typedef ULONGEST (gdbarch_core_xfer_shared_libraries_ftype) (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len);
+extern ULONGEST gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len);
extern void set_gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdbarch_core_xfer_shared_libraries_ftype *core_xfer_shared_libraries);
/* Read offset OFFSET of TARGET_OBJECT_LIBRARIES_AIX formatted shared
- libraries list from core file into buffer READBUF with length LEN. */
+ libraries list from core file into buffer READBUF with length LEN.
+ Return the number of bytes read (zero indicates failure). */
extern int gdbarch_core_xfer_shared_libraries_aix_p (struct gdbarch *gdbarch);
-typedef LONGEST (gdbarch_core_xfer_shared_libraries_aix_ftype) (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, LONGEST len);
-extern LONGEST gdbarch_core_xfer_shared_libraries_aix (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, LONGEST len);
+typedef ULONGEST (gdbarch_core_xfer_shared_libraries_aix_ftype) (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len);
+extern ULONGEST gdbarch_core_xfer_shared_libraries_aix (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len);
extern void set_gdbarch_core_xfer_shared_libraries_aix (struct gdbarch *gdbarch, gdbarch_core_xfer_shared_libraries_aix_ftype *core_xfer_shared_libraries_aix);
/* How the core target converts a PTID from a core file to a string. */
extern void set_gdbarch_get_syscall_number (struct gdbarch *gdbarch, gdbarch_get_syscall_number_ftype *get_syscall_number);
/* SystemTap related fields and functions.
- Prefix used to mark an integer constant on the architecture's assembly
+ A NULL-terminated array of prefixes used to mark an integer constant
+ on the architecture's assembly.
For example, on x86 integer constants are written as:
$10 ;; integer constant 10
in this case, this prefix would be the character `$'. */
-extern const char * gdbarch_stap_integer_prefix (struct gdbarch *gdbarch);
-extern void set_gdbarch_stap_integer_prefix (struct gdbarch *gdbarch, const char * stap_integer_prefix);
+extern const char *const * gdbarch_stap_integer_prefixes (struct gdbarch *gdbarch);
+extern void set_gdbarch_stap_integer_prefixes (struct gdbarch *gdbarch, const char *const * stap_integer_prefixes);
-/* Suffix used to mark an integer constant on the architecture's assembly. */
+/* A NULL-terminated array of suffixes used to mark an integer constant
+ on the architecture's assembly. */
-extern const char * gdbarch_stap_integer_suffix (struct gdbarch *gdbarch);
-extern void set_gdbarch_stap_integer_suffix (struct gdbarch *gdbarch, const char * stap_integer_suffix);
+extern const char *const * gdbarch_stap_integer_suffixes (struct gdbarch *gdbarch);
+extern void set_gdbarch_stap_integer_suffixes (struct gdbarch *gdbarch, const char *const * stap_integer_suffixes);
-/* Prefix used to mark a register name on the architecture's assembly.
+/* A NULL-terminated array of prefixes used to mark a register name on
+ the architecture's assembly.
For example, on x86 the register name is written as:
%eax ;; register eax
in this case, this prefix would be the character `%'. */
-extern const char * gdbarch_stap_register_prefix (struct gdbarch *gdbarch);
-extern void set_gdbarch_stap_register_prefix (struct gdbarch *gdbarch, const char * stap_register_prefix);
+extern const char *const * gdbarch_stap_register_prefixes (struct gdbarch *gdbarch);
+extern void set_gdbarch_stap_register_prefixes (struct gdbarch *gdbarch, const char *const * stap_register_prefixes);
-/* Suffix used to mark a register name on the architecture's assembly */
+/* A NULL-terminated array of suffixes used to mark a register name on
+ the architecture's assembly. */
-extern const char * gdbarch_stap_register_suffix (struct gdbarch *gdbarch);
-extern void set_gdbarch_stap_register_suffix (struct gdbarch *gdbarch, const char * stap_register_suffix);
+extern const char *const * gdbarch_stap_register_suffixes (struct gdbarch *gdbarch);
+extern void set_gdbarch_stap_register_suffixes (struct gdbarch *gdbarch, const char *const * stap_register_suffixes);
-/* Prefix used to mark a register indirection on the architecture's assembly.
+/* A NULL-terminated array of prefixes used to mark a register
+ indirection on the architecture's assembly.
For example, on x86 the register indirection is written as:
(%eax) ;; indirecting eax
Please note that we use the indirection prefix also for register
displacement, e.g., `4(%eax)' on x86. */
-extern const char * gdbarch_stap_register_indirection_prefix (struct gdbarch *gdbarch);
-extern void set_gdbarch_stap_register_indirection_prefix (struct gdbarch *gdbarch, const char * stap_register_indirection_prefix);
+extern const char *const * gdbarch_stap_register_indirection_prefixes (struct gdbarch *gdbarch);
+extern void set_gdbarch_stap_register_indirection_prefixes (struct gdbarch *gdbarch, const char *const * stap_register_indirection_prefixes);
-/* Suffix used to mark a register indirection on the architecture's assembly.
+/* A NULL-terminated array of suffixes used to mark a register
+ indirection on the architecture's assembly.
For example, on x86 the register indirection is written as:
(%eax) ;; indirecting eax
Please note that we use the indirection suffix also for register
displacement, e.g., `4(%eax)' on x86. */
-extern const char * gdbarch_stap_register_indirection_suffix (struct gdbarch *gdbarch);
-extern void set_gdbarch_stap_register_indirection_suffix (struct gdbarch *gdbarch, const char * stap_register_indirection_suffix);
+extern const char *const * gdbarch_stap_register_indirection_suffixes (struct gdbarch *gdbarch);
+extern void set_gdbarch_stap_register_indirection_suffixes (struct gdbarch *gdbarch, const char *const * stap_register_indirection_suffixes);
-/* Prefix used to name a register using GDB's nomenclature.
+/* Prefix(es) used to name a register using GDB's nomenclature.
For example, on PPC a register is represented by a number in the assembly
language (e.g., `10' is the 10th general-purpose register). However,
extern struct ravenscar_arch_ops * gdbarch_ravenscar_ops (struct gdbarch *gdbarch);
extern void set_gdbarch_ravenscar_ops (struct gdbarch *gdbarch, struct ravenscar_arch_ops * ravenscar_ops);
+/* Return non-zero if the instruction at ADDR is a call; zero otherwise. */
+
+typedef int (gdbarch_insn_is_call_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr);
+extern int gdbarch_insn_is_call (struct gdbarch *gdbarch, CORE_ADDR addr);
+extern void set_gdbarch_insn_is_call (struct gdbarch *gdbarch, gdbarch_insn_is_call_ftype *insn_is_call);
+
+/* Return non-zero if the instruction at ADDR is a return; zero otherwise. */
+
+typedef int (gdbarch_insn_is_ret_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr);
+extern int gdbarch_insn_is_ret (struct gdbarch *gdbarch, CORE_ADDR addr);
+extern void set_gdbarch_insn_is_ret (struct gdbarch *gdbarch, gdbarch_insn_is_ret_ftype *insn_is_ret);
+
+/* Return non-zero if the instruction at ADDR is a jump; zero otherwise. */
+
+typedef int (gdbarch_insn_is_jump_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr);
+extern int gdbarch_insn_is_jump (struct gdbarch *gdbarch, CORE_ADDR addr);
+extern void set_gdbarch_insn_is_jump (struct gdbarch *gdbarch, gdbarch_insn_is_jump_ftype *insn_is_jump);
+
/* Definition for an unknown syscall, used basically in error-cases. */
#define UNKNOWN_SYSCALL (-1)
const struct bfd_arch_info *bfd_arch_info;
/* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
- int byte_order;
+ enum bfd_endian byte_order;
- int byte_order_for_code;
+ enum bfd_endian byte_order_for_code;
/* Use default: NULL (ZERO). */
bfd *abfd;
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