Implement pahole-like 'ptype /o' option

[deliverable/binutils-gdb.git] / gdb / gdbarch.sh

diff --git a/gdb/gdbarch.sh b/gdb/gdbarch.sh
index 026065e52a842d479c6a18869f978742161057a2..1f165cf11baa8b15dcba38b2d9c2d5b3483a9497 100755 (executable)
--- a/gdb/gdbarch.sh
+++ b/gdb/gdbarch.sh
@@ -621,6 +621,12 @@ m;CORE_ADDR;convert_from_func_ptr_addr;CORE_ADDR addr, struct target_ops *targ;a
 # possible it should be in TARGET_READ_PC instead).
 m;CORE_ADDR;addr_bits_remove;CORE_ADDR addr;addr;;core_addr_identity;;0
 
+# On some machines, not all bits of an address word are significant.
+# For example, on AArch64, the top bits of an address known as the "tag"
+# are ignored by the kernel, the hardware, etc. and can be regarded as
+# additional data associated with the address.
+v;int;significant_addr_bit;;;;;gdbarch_addr_bit (gdbarch);
+
 # FIXME/cagney/2001-01-18: This should be split in two.  A target method that
 # indicates if the target needs software single step.  An ISA method to
 # implement it.
@@ -728,13 +734,6 @@ M;void;iterate_over_regset_sections;iterate_over_regset_sections_cb *cb, void *c
 # Create core file notes
 M;char *;make_corefile_notes;bfd *obfd, int *note_size;obfd, note_size
 
-# The elfcore writer hook to use to write Linux prpsinfo notes to core
-# files.  Most Linux architectures use the same prpsinfo32 or
-# prpsinfo64 layouts, and so won't need to provide this hook, as we
-# call the Linux generic routines in bfd to write prpsinfo notes by
-# default.
-F;char *;elfcore_write_linux_prpsinfo;bfd *obfd, char *note_data, int *note_size, const struct elf_internal_linux_prpsinfo *info;obfd, note_data, note_size, info
-
 # Find core file memory regions
 M;int;find_memory_regions;find_memory_region_ftype func, void *data;func, data
 
@@ -800,10 +799,6 @@ V;ULONGEST;max_insn_length;;;0;0
 # 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.
-#
 # 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.
@@ -1278,7 +1273,6 @@ struct target_ops;
 struct obstack;
 struct bp_target_info;
 struct target_desc;
-struct objfile;
 struct symbol;
 struct displaced_step_closure;
 struct syscall;
@@ -1287,7 +1281,6 @@ struct axs_value;
 struct stap_parse_info;
 struct parser_state;
 struct ravenscar_arch_ops;
-struct elf_internal_linux_prpsinfo;
 struct mem_range;
 struct syscalls_info;
 struct thread_info;