FreeChainXenon/binutils-gdb
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move gdbarch object from objfile to per-BFD

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This moves the "gdbarch" field from the objfile into the BFD.

This field's value is derived from the BFD and is immutable over the
lifetime of the BFD.  This makes it a reasonable candidate for pushing
into the per-BFD object.

This is part of the long-term objfile splitting project.  In the long
run I think this patch will make it simpler to moves types from the
objfile to the per-BFD object; but the patch makes sense as a minor
cleanup by itself.

Built and regtested on x86-64 Fedora 18.

	* cp-namespace.c (cp_lookup_symbol_imports_or_template): Use
	get_objfile_arch.
	* elfread.c (elf_rel_plt_read, elf_gnu_ifunc_record_cache)
	(elf_gnu_ifunc_resolve_by_got): Use get_objfile_arch.
	* jit.c (jit_object_close_impl): Update.
	* jv-lang.c (get_dynamics_objfile): Update.
	* linespec.c (add_minsym): Use get_dynamics_objfile.
	* objfiles.c (get_objfile_bfd_data): Initialize 'gdbarch' field.
	(allocate_objfile): Don't initialize 'gdbarch' field.
	(get_objfile_arch): Update.
	* objfiles.h (struct objfile_per_bfd_storage) <gdbarch>: New field,
	moved from...
	(struct objfile) <gdbarch>: ... here.  Remove.
	* stap-probe.c (stap_can_evaluate_probe_arguments): Use
	get_objfile_arch.
	* symfile.c (init_entry_point_info): Use get_objfile_arch.
This commit is contained in:
Tom Tromey 2013-08-20 15:04:51 +00:00
parent f5aee5eeb8
commit df6d544176
10 changed files with 41 additions and 21 deletions
Download patch file Download diff file Expand all files Collapse all files

14
gdb/objfiles.h
View file

@ -178,6 +178,13 @@ struct objfile_per_bfd_storage
/* Byte cache for macros. */
struct bcache *macro_cache;
/* The gdbarch associated with the BFD. Note that this gdbarch is
determined solely from BFD information, without looking at target
information. The gdbarch determined from a running target may
differ from this e.g. with respect to register types and names. */
struct gdbarch *gdbarch;
};
/* Master structure for keeping track of each file from which
@ -248,13 +255,6 @@ struct objfile
struct objfile_per_bfd_storage *per_bfd;
/* The gdbarch associated with the BFD. Note that this gdbarch is
determined solely from BFD information, without looking at target
information. The gdbarch determined from a running target may
differ from this e.g. with respect to register types and names. */
struct gdbarch *gdbarch;
/* The modification timestamp of the object file, as of the last time
we read its symbols. */