aboutsummaryrefslogtreecommitdiff
path: root/ld/ldlang.c
diff options
context:
space:
mode:
authorFangrui Song <maskray@google.com>2020-04-22 16:20:02 +0100
committerNick Clifton <nickc@redhat.com>2020-04-22 16:20:02 +0100
commit161719466ac9ea5f186514312f6bce842181804f (patch)
tree8f5243eadc4f7266ca8362b1da384e9a9aa057c6 /ld/ldlang.c
parent31c89d6038f2658f5e06a762aa9e20e78e74651f (diff)
downloadbinutils-161719466ac9ea5f186514312f6bce842181804f.zip
binutils-161719466ac9ea5f186514312f6bce842181804f.tar.gz
binutils-161719466ac9ea5f186514312f6bce842181804f.tar.bz2
For relative paths in INPUT() and GROUP(), search the directory of the current linker script before searching other paths.
PR ld/25806 * ldlang.h (struct lang_input_statement_struct): Add extra_search_path. * ldlang.c (current_input_file): New. (ldirname): New. (new_afile): Add from_filename parameter. Set extra_search_path. (lang_add_input_file): Pass current_input_file to new_afile. (load_symbols): Set current_input_file.
Diffstat (limited to 'ld/ldlang.c')
-rw-r--r--ld/ldlang.c32
1 files changed, 28 insertions, 4 deletions
diff --git a/ld/ldlang.c b/ld/ldlang.c
index 0bb5f3c..2ef234f 100644
--- a/ld/ldlang.c
+++ b/ld/ldlang.c
@@ -117,6 +117,7 @@ lang_statement_list_type file_chain = { NULL, NULL };
lang_input_statement_type statement (reached via input_statement field in a
lang_statement_union). */
lang_statement_list_type input_file_chain;
+static const char *current_input_file;
struct bfd_sym_chain entry_symbol = { NULL, NULL };
const char *entry_section = ".text";
struct lang_input_statement_flags input_flags;
@@ -176,6 +177,21 @@ name_match (const char *pattern, const char *name)
return strcmp (pattern, name);
}
+static char *
+ldirname (const char *name)
+{
+ const char *base = lbasename (name);
+ char *dirname;
+
+ while (base > name && IS_DIR_SEPARATOR (base[-1]))
+ --base;
+ if (base == name)
+ return strdup (".");
+ dirname = strdup (name);
+ dirname[base - name] = '\0';
+ return dirname;
+}
+
/* If PATTERN is of the form archive:file, return a pointer to the
separator. If not, return NULL. */
@@ -1093,7 +1109,8 @@ new_statement (enum statement_enum type,
static lang_input_statement_type *
new_afile (const char *name,
lang_input_file_enum_type file_type,
- const char *target)
+ const char *target,
+ const char *from_filename)
{
lang_input_statement_type *p;
@@ -1102,6 +1119,7 @@ new_afile (const char *name,
p = new_stat (lang_input_statement, stat_ptr);
memset (&p->the_bfd, 0,
sizeof (*p) - offsetof (lang_input_statement_type, the_bfd));
+ p->extra_search_path = NULL;
p->target = target;
p->flags.dynamic = input_flags.dynamic;
p->flags.add_DT_NEEDED_for_dynamic = input_flags.add_DT_NEEDED_for_dynamic;
@@ -1142,6 +1160,10 @@ new_afile (const char *name,
case lang_input_file_is_search_file_enum:
p->filename = name;
p->local_sym_name = name;
+ /* If name is a relative path, search the directory of the current linker
+ script first. */
+ if (from_filename && !IS_ABSOLUTE_PATH (name))
+ p->extra_search_path = ldirname (from_filename);
p->flags.real = TRUE;
p->flags.search_dirs = TRUE;
break;
@@ -1181,12 +1203,12 @@ lang_add_input_file (const char *name,
within the sysroot subdirectory.) */
unsigned int outer_sysrooted = input_flags.sysrooted;
input_flags.sysrooted = 0;
- ret = new_afile (sysrooted_name, file_type, target);
+ ret = new_afile (sysrooted_name, file_type, target, NULL);
input_flags.sysrooted = outer_sysrooted;
return ret;
}
- return new_afile (name, file_type, target);
+ return new_afile (name, file_type, target, current_input_file);
}
struct out_section_hash_entry
@@ -2909,7 +2931,7 @@ lookup_name (const char *name)
lang_statement_union_type *rest = *after;
stat_ptr->tail = after;
search = new_afile (name, lang_input_file_is_search_file_enum,
- default_target);
+ default_target, NULL);
*stat_ptr->tail = rest;
if (*tail == NULL)
stat_ptr->tail = tail;
@@ -3051,7 +3073,9 @@ load_symbols (lang_input_statement_type *entry,
ldfile_assumed_script = TRUE;
parser_input = input_script;
+ current_input_file = entry->filename;
yyparse ();
+ current_input_file = NULL;
ldfile_assumed_script = FALSE;
/* missing_file is sticky. sysrooted will already have been