simple-object.h (simple_object_copy_lto_debug_sections): Add rename parameter.
* simple-object.h (simple_object_copy_lto_debug_sections): Add rename parameter. * simple-object.c (handle_lto_debug_sections): Add rename parameter. (handle_lto_debug_sections_rename): New function. (handle_lto_debug_sections_norename): New function. (simple_object_copy_lto_debug_sections): Add rename parameter. From-SVN: r260956
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74e0960e3e
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@ -1,3 +1,12 @@
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2018-05-30 Jan Hubicka <hubicka@ucw.cz>
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* simple-object.h (simple_object_copy_lto_debug_sections): Add rename
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parameter.
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* simple-object.c (handle_lto_debug_sections): Add rename parameter.
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(handle_lto_debug_sections_rename): New function.
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(handle_lto_debug_sections_norename): New function.
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(simple_object_copy_lto_debug_sections): Add rename parameter.
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2018-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
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2018-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
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* splay-tree.c (splay_tree_compare_strings,
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* splay-tree.c (splay_tree_compare_strings,
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@ -251,12 +251,15 @@ simple_object_find_section (simple_object_read *sobj, const char *name,
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}
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}
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/* Callback to identify and rename LTO debug sections by name.
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/* Callback to identify and rename LTO debug sections by name.
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Returns 1 if NAME is a LTO debug section, 0 if not. */
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Returns non-NULL if NAME is a LTO debug section, NULL if not.
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If RENAME is true it will rename LTO debug sections to non-LTO
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ones. */
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static char *
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static char *
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handle_lto_debug_sections (const char *name)
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handle_lto_debug_sections (const char *name, int rename)
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{
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{
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char *newname = XCNEWVEC (char, strlen (name) + 1);
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char *newname = rename ? XCNEWVEC (char, strlen (name) + 1)
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: xstrdup (name);
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/* ??? So we can't use .gnu.lto_ prefixed sections as the assembler
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/* ??? So we can't use .gnu.lto_ prefixed sections as the assembler
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complains about bogus section flags. Which means we need to arrange
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complains about bogus section flags. Which means we need to arrange
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@ -265,22 +268,24 @@ handle_lto_debug_sections (const char *name)
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/* Also include corresponding reloc sections. */
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/* Also include corresponding reloc sections. */
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if (strncmp (name, ".rela", sizeof (".rela") - 1) == 0)
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if (strncmp (name, ".rela", sizeof (".rela") - 1) == 0)
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{
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{
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strncpy (newname, name, sizeof (".rela") - 1);
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if (rename)
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strncpy (newname, name, sizeof (".rela") - 1);
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name += sizeof (".rela") - 1;
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name += sizeof (".rela") - 1;
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}
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}
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else if (strncmp (name, ".rel", sizeof (".rel") - 1) == 0)
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else if (strncmp (name, ".rel", sizeof (".rel") - 1) == 0)
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{
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{
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strncpy (newname, name, sizeof (".rel") - 1);
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if (rename)
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strncpy (newname, name, sizeof (".rel") - 1);
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name += sizeof (".rel") - 1;
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name += sizeof (".rel") - 1;
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}
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}
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/* ??? For now this handles both .gnu.lto_ and .gnu.debuglto_ prefixed
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/* ??? For now this handles both .gnu.lto_ and .gnu.debuglto_ prefixed
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sections. */
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sections. */
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/* Copy LTO debug sections and rename them to their non-LTO name. */
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/* Copy LTO debug sections and rename them to their non-LTO name. */
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if (strncmp (name, ".gnu.debuglto_", sizeof (".gnu.debuglto_") - 1) == 0)
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if (strncmp (name, ".gnu.debuglto_", sizeof (".gnu.debuglto_") - 1) == 0)
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return strcat (newname, name + sizeof (".gnu.debuglto_") - 1);
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return rename ? strcat (newname, name + sizeof (".gnu.debuglto_") - 1) : newname;
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else if (strncmp (name, ".gnu.lto_.debug_",
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else if (strncmp (name, ".gnu.lto_.debug_",
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sizeof (".gnu.lto_.debug_") -1) == 0)
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sizeof (".gnu.lto_.debug_") -1) == 0)
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return strcat (newname, name + sizeof (".gnu.lto_") - 1);
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return rename ? strcat (newname, name + sizeof (".gnu.lto_") - 1) : newname;
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/* Copy over .note.GNU-stack section under the same name if present. */
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/* Copy over .note.GNU-stack section under the same name if present. */
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else if (strcmp (name, ".note.GNU-stack") == 0)
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else if (strcmp (name, ".note.GNU-stack") == 0)
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return strcpy (newname, name);
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return strcpy (newname, name);
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@ -289,14 +294,31 @@ handle_lto_debug_sections (const char *name)
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COMDAT sections in objects produced by GCC. */
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COMDAT sections in objects produced by GCC. */
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else if (strcmp (name, ".comment") == 0)
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else if (strcmp (name, ".comment") == 0)
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return strcpy (newname, name);
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return strcpy (newname, name);
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free (newname);
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return NULL;
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return NULL;
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}
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}
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/* Wrapper for handle_lto_debug_sections. */
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static char *
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handle_lto_debug_sections_rename (const char *name)
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{
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return handle_lto_debug_sections (name, 1);
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}
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/* Wrapper for handle_lto_debug_sections. */
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static char *
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handle_lto_debug_sections_norename (const char *name)
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{
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return handle_lto_debug_sections (name, 0);
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}
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/* Copy LTO debug sections. */
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/* Copy LTO debug sections. */
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const char *
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const char *
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simple_object_copy_lto_debug_sections (simple_object_read *sobj,
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simple_object_copy_lto_debug_sections (simple_object_read *sobj,
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const char *dest, int *err)
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const char *dest, int *err, int rename)
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{
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{
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const char *errmsg;
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const char *errmsg;
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simple_object_write *dest_sobj;
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simple_object_write *dest_sobj;
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@ -317,9 +339,10 @@ simple_object_copy_lto_debug_sections (simple_object_read *sobj,
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if (! dest_sobj)
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if (! dest_sobj)
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return errmsg;
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return errmsg;
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errmsg = sobj->functions->copy_lto_debug_sections (sobj, dest_sobj,
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errmsg = sobj->functions->copy_lto_debug_sections
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handle_lto_debug_sections,
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(sobj, dest_sobj,
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err);
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rename ? handle_lto_debug_sections_rename
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: handle_lto_debug_sections_norename, err);
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if (errmsg)
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if (errmsg)
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{
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{
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simple_object_release_write (dest_sobj);
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simple_object_release_write (dest_sobj);
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