struct stap_parse_info;
struct ravenscar_arch_ops;
struct elf_internal_linux_prpsinfo;
+struct mem_range;
/* The architecture associated with the inferior through the
connection to the target.
extern CORE_ADDR gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, struct frame_info *frame, int argi, struct type *type);
extern void set_gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, gdbarch_fetch_pointer_argument_ftype *fetch_pointer_argument);
-/* Return the appropriate register set for a core file section with
- name SECT_NAME and size SECT_SIZE. */
-
-extern int gdbarch_regset_from_core_section_p (struct gdbarch *gdbarch);
-
-typedef const struct regset * (gdbarch_regset_from_core_section_ftype) (struct gdbarch *gdbarch, const char *sect_name, size_t sect_size);
-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);
-
/* Iterate over all supported register notes in a core file. For each
supported register note section, the iterator must call CB and pass
CB_DATA unchanged. If REGCACHE is not NULL, the iterator can limit
extern int gdbarch_auxv_parse (struct gdbarch *gdbarch, gdb_byte **readptr, gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp);
extern void set_gdbarch_auxv_parse (struct gdbarch *gdbarch, gdbarch_auxv_parse_ftype *auxv_parse);
+/* Find the address range of the current inferior's vsyscall/vDSO, and
+ write it to *RANGE. If the vsyscall's length can't be determined, a
+ range with zero length is returned. Returns true if the vsyscall is
+ found, false otherwise. */
+
+typedef int (gdbarch_vsyscall_range_ftype) (struct gdbarch *gdbarch, struct mem_range *range);
+extern int gdbarch_vsyscall_range (struct gdbarch *gdbarch, struct mem_range *range);
+extern void set_gdbarch_vsyscall_range (struct gdbarch *gdbarch, gdbarch_vsyscall_range_ftype *vsyscall_range);
+
/* Definition for an unknown syscall, used basically in error-cases. */
#define UNKNOWN_SYSCALL (-1)