If your architecture doesn't need to adjust instructions before
single-stepping them, consider using simple_displaced_step_copy_insn
- here. */
+ here.
+
+ If the instruction cannot execute out of line, return NULL. The
+ core falls back to stepping past the instruction in-line instead in
+ that case. */
extern int gdbarch_displaced_step_copy_insn_p (struct gdbarch *gdbarch);
/* True if a fast tracepoint can be set at an address. */
-typedef int (gdbarch_fast_tracepoint_valid_at_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr, int *isize, char **msg);
-extern int gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, CORE_ADDR addr, int *isize, char **msg);
+typedef int (gdbarch_fast_tracepoint_valid_at_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr, char **msg);
+extern int gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, CORE_ADDR addr, char **msg);
extern void set_gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, gdbarch_fast_tracepoint_valid_at_ftype *fast_tracepoint_valid_at);
/* Return the "auto" target charset. */
extern CORE_ADDR gdbarch_infcall_mmap (struct gdbarch *gdbarch, CORE_ADDR size, unsigned prot);
extern void set_gdbarch_infcall_mmap (struct gdbarch *gdbarch, gdbarch_infcall_mmap_ftype *infcall_mmap);
+/* Deallocate SIZE bytes of memory at ADDR in inferior from gdbarch_infcall_mmap.
+ Print a warning if it is not possible. */
+
+typedef void (gdbarch_infcall_munmap_ftype) (CORE_ADDR addr, CORE_ADDR size);
+extern void gdbarch_infcall_munmap (struct gdbarch *gdbarch, CORE_ADDR addr, CORE_ADDR size);
+extern void set_gdbarch_infcall_munmap (struct gdbarch *gdbarch, gdbarch_infcall_munmap_ftype *infcall_munmap);
+
/* Return string (caller has to use xfree for it) with options for GCC
to produce code for this target, typically "-m64", "-m32" or "-m31".
These options are put before CU's DW_AT_producer compilation options so that
extern const char * gdbarch_gnu_triplet_regexp (struct gdbarch *gdbarch);
extern void set_gdbarch_gnu_triplet_regexp (struct gdbarch *gdbarch, gdbarch_gnu_triplet_regexp_ftype *gnu_triplet_regexp);
+/* Return the size in 8-bit bytes of an addressable memory unit on this
+ architecture. This corresponds to the number of 8-bit bytes associated to
+ each address in memory. */
+
+typedef int (gdbarch_addressable_memory_unit_size_ftype) (struct gdbarch *gdbarch);
+extern int gdbarch_addressable_memory_unit_size (struct gdbarch *gdbarch);
+extern void set_gdbarch_addressable_memory_unit_size (struct gdbarch *gdbarch, gdbarch_addressable_memory_unit_size_ftype *addressable_memory_unit_size);
+
/* Definition for an unknown syscall, used basically in error-cases. */
#define UNKNOWN_SYSCALL (-1)
#define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
#define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
+/* Duplicate STRING, returning an equivalent string that's allocated on the
+ obstack associated with GDBARCH. The string is freed when the corresponding
+ architecture is also freed. */
+
+extern char *gdbarch_obstack_strdup (struct gdbarch *arch, const char *string);
/* Helper function. Force an update of the current architecture.