87 lines
2.6 KiB
Diff
87 lines
2.6 KiB
Diff
Re: [patch] Make a function for block->objfile lookups
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http://sourceware.org/ml/gdb-patches/2009-04/msg00609.html
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gdb/
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2009-04-22 Jan Kratochvil <jan.kratochvil@redhat.com>
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* block.c (block_objfile): New function.
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* block.h (block_objfile): New prototype.
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* objfiles.c (matching_objfiles): New function.
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* objfiles.h (matching_objfiles): New prototype.
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* printcmd.c: Remove include solib.h.
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(display_uses_solib_p): Rename to ...
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(display_uses_objfile): ... a new function name. Change the SOLIB
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parameter to OBJFILE parameter. Use now a matching_objfiles call.
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(clear_dangling_display_expressions): Update the caller.
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[ Cut the printcmd.c simplification/change. ]
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--- ./gdb/block.c 3 Jan 2009 05:57:50 -0000 1.18
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+++ ./gdb/block.c 22 Apr 2009 19:51:40 -0000
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@@ -309,3 +309,21 @@ allocate_block (struct obstack *obstack)
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return bl;
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}
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+
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+/* Return OBJFILE in which BLOCK is located or NULL if we cannot find it for
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+ whatever reason. */
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+
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+struct objfile *
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+block_objfile (const struct block *block)
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+{
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+ struct symbol *func;
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+
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+ if (block == NULL)
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+ return NULL;
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+
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+ func = block_linkage_function (block);
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+ if (func == NULL)
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+ return NULL;
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+
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+ return SYMBOL_SYMTAB (func)->objfile;
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+}
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--- ./gdb/block.h 3 Jan 2009 05:57:50 -0000 1.19
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+++ ./gdb/block.h 22 Apr 2009 19:51:40 -0000
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@@ -164,4 +164,6 @@ extern const struct block *block_global_
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extern struct block *allocate_block (struct obstack *obstack);
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+extern struct objfile *block_objfile (const struct block *block);
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+
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#endif /* BLOCK_H */
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--- ./gdb/objfiles.c 11 Mar 2009 20:26:02 -0000 1.82
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+++ ./gdb/objfiles.c 22 Apr 2009 19:51:40 -0000
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@@ -891,3 +891,21 @@ objfile_data (struct objfile *objfile, c
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gdb_assert (data->index < objfile->num_data);
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return objfile->data[data->index];
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}
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+
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+/* Return non-zero if A and B point to the same OBJFILE, ignoring any binary
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+ vs. debuginfo variants of the pointers. If either A or B is NULL return
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+ zero as not a match. */
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+
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+int
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+matching_objfiles (struct objfile *a, struct objfile *b)
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+{
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+ if (a == NULL || b == NULL)
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+ return 0;
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+
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+ if (a->separate_debug_objfile_backlink)
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+ a = a->separate_debug_objfile_backlink;
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+ if (b->separate_debug_objfile_backlink)
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+ b = b->separate_debug_objfile_backlink;
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+
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+ return a == b;
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+}
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--- ./gdb/objfiles.h 15 Jan 2009 16:35:22 -0000 1.59
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+++ ./gdb/objfiles.h 22 Apr 2009 19:51:40 -0000
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@@ -497,6 +497,8 @@ extern struct obj_section *find_pc_secti
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extern int in_plt_section (CORE_ADDR, char *);
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+extern int matching_objfiles (struct objfile *a, struct objfile *b);
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+
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/* Keep a registry of per-objfile data-pointers required by other GDB
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modules. */
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