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authorAlan Modra <amodra@gmail.com>2023-03-10 20:28:22 +1030
committerAlan Modra <amodra@gmail.com>2023-03-14 12:14:59 +1030
commitf049c18961236c3bf91409a060c1c9a709b96b44 (patch)
tree2740eaf9e186b8dae20ee6890c7d3c1f568408e6
parentadb9ac5f3984b4ad2d8be1550dc5683d6129e1a6 (diff)
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gas/read.c: init more statics
* read.c (current_name, current_label, dwarf_file, dwarf_line): Move to file scope. (pobegin): Tidy pop_override_ok. (read_a_source_file): Make last_eol an auto var. (s_reloc): Constify bfd_relocs. (read_begin): Init more variables.
-rw-r--r--gas/read.c147
1 files changed, 85 insertions, 62 deletions
diff --git a/gas/read.c b/gas/read.c
index 08312ff..0320d02 100644
--- a/gas/read.c
+++ b/gas/read.c
@@ -204,8 +204,17 @@ symbolS *mri_common_symbol;
may be needed. */
static int mri_pending_align;
+/* Record the current function so that we can issue an error message for
+ misplaced .func,.endfunc, and also so that .endfunc needs no
+ arguments. */
+static char *current_name;
+static char *current_label;
+
#ifndef NO_LISTING
#ifdef OBJ_ELF
+static int dwarf_file;
+static int dwarf_line;
+
/* This variable is set to be non-zero if the next string we see might
be the name of the source file in DWARF debugging information. See
the comment in emit_expr for the format we look for. */
@@ -276,6 +285,35 @@ read_begin (void)
if (flag_mri)
lex_type['?'] = 3;
stabs_begin ();
+
+#ifndef WORKING_DOT_WORD
+ broken_words = NULL;
+ new_broken_words = 0;
+#endif
+
+ abs_section_offset = 0;
+
+ line_label = NULL;
+ mri_common_symbol = NULL;
+ mri_pending_align = 0;
+
+ current_name = NULL;
+ current_label = NULL;
+
+#ifndef NO_LISTING
+#ifdef OBJ_ELF
+ dwarf_file = 0;
+ dwarf_line = -1;
+ dwarf_file_string = 0;
+#endif
+#endif
+
+#ifdef HANDLE_BUNDLE
+ bundle_align_p2 = 0;
+ bundle_lock_frag = NULL;
+ bundle_lock_frchain = NULL;
+ bundle_lock_depth = 0;
+#endif
}
void
@@ -517,7 +555,7 @@ get_absolute_expression (void)
return get_absolute_expr (&exp);
}
-static int pop_override_ok = 0;
+static int pop_override_ok;
static const char *pop_table_name;
void
@@ -554,6 +592,7 @@ pobegin (void)
/* Do the target-specific pseudo ops. */
pop_table_name = "md";
+ pop_override_ok = 0;
md_pop_insert ();
/* Now object specific. Skip any that were in the target table. */
@@ -567,7 +606,6 @@ pobegin (void)
/* Now CFI ones. */
pop_table_name = "cfi";
- pop_override_ok = 1;
cfi_pop_insert ();
}
@@ -838,9 +876,8 @@ read_a_source_file (const char *name)
#ifndef NO_LISTING
/* In order to avoid listing macro expansion lines with labels
multiple times, keep track of which line was last issued. */
- static char *last_eol;
+ char *last_eol = NULL;
- last_eol = NULL;
#endif
while (input_line_pointer < buffer_limit)
{
@@ -4176,7 +4213,7 @@ s_reloc (int ignore ATTRIBUTE_UNUSED)
int c;
struct reloc_list *reloc;
struct _bfd_rel { const char * name; bfd_reloc_code_real_type code; };
- static struct _bfd_rel bfd_relocs[] =
+ static const struct _bfd_rel bfd_relocs[] =
{
{ "NONE", BFD_RELOC_NONE },
{ "8", BFD_RELOC_8 },
@@ -4326,62 +4363,54 @@ emit_expr_with_reloc (expressionS *exp,
/* When gcc emits DWARF 1 debugging pseudo-ops, a line number will
appear as a four byte positive constant in the .line section,
followed by a 2 byte 0xffff. Look for that case here. */
- {
- static int dwarf_line = -1;
-
- if (strcmp (segment_name (now_seg), ".line") != 0)
- dwarf_line = -1;
- else if (dwarf_line >= 0
- && nbytes == 2
- && exp->X_op == O_constant
- && (exp->X_add_number == -1 || exp->X_add_number == 0xffff))
- listing_source_line ((unsigned int) dwarf_line);
- else if (nbytes == 4
- && exp->X_op == O_constant
- && exp->X_add_number >= 0)
- dwarf_line = exp->X_add_number;
- else
- dwarf_line = -1;
- }
+ if (strcmp (segment_name (now_seg), ".line") != 0)
+ dwarf_line = -1;
+ else if (dwarf_line >= 0
+ && nbytes == 2
+ && exp->X_op == O_constant
+ && (exp->X_add_number == -1 || exp->X_add_number == 0xffff))
+ listing_source_line ((unsigned int) dwarf_line);
+ else if (nbytes == 4
+ && exp->X_op == O_constant
+ && exp->X_add_number >= 0)
+ dwarf_line = exp->X_add_number;
+ else
+ dwarf_line = -1;
/* When gcc emits DWARF 1 debugging pseudo-ops, a file name will
appear as a 2 byte TAG_compile_unit (0x11) followed by a 2 byte
AT_sibling (0x12) followed by a four byte address of the sibling
followed by a 2 byte AT_name (0x38) followed by the name of the
file. We look for that case here. */
- {
- static int dwarf_file = 0;
-
- if (strcmp (segment_name (now_seg), ".debug") != 0)
- dwarf_file = 0;
- else if (dwarf_file == 0
- && nbytes == 2
- && exp->X_op == O_constant
- && exp->X_add_number == 0x11)
- dwarf_file = 1;
- else if (dwarf_file == 1
- && nbytes == 2
- && exp->X_op == O_constant
- && exp->X_add_number == 0x12)
- dwarf_file = 2;
- else if (dwarf_file == 2
- && nbytes == 4)
- dwarf_file = 3;
- else if (dwarf_file == 3
- && nbytes == 2
- && exp->X_op == O_constant
- && exp->X_add_number == 0x38)
- dwarf_file = 4;
- else
- dwarf_file = 0;
-
- /* The variable dwarf_file_string tells stringer that the string
- may be the name of the source file. */
- if (dwarf_file == 4)
- dwarf_file_string = 1;
- else
- dwarf_file_string = 0;
- }
+ if (strcmp (segment_name (now_seg), ".debug") != 0)
+ dwarf_file = 0;
+ else if (dwarf_file == 0
+ && nbytes == 2
+ && exp->X_op == O_constant
+ && exp->X_add_number == 0x11)
+ dwarf_file = 1;
+ else if (dwarf_file == 1
+ && nbytes == 2
+ && exp->X_op == O_constant
+ && exp->X_add_number == 0x12)
+ dwarf_file = 2;
+ else if (dwarf_file == 2
+ && nbytes == 4)
+ dwarf_file = 3;
+ else if (dwarf_file == 3
+ && nbytes == 2
+ && exp->X_op == O_constant
+ && exp->X_add_number == 0x38)
+ dwarf_file = 4;
+ else
+ dwarf_file = 0;
+
+ /* The variable dwarf_file_string tells stringer that the string
+ may be the name of the source file. */
+ if (dwarf_file == 4)
+ dwarf_file_string = 1;
+ else
+ dwarf_file_string = 0;
#endif
#endif
@@ -6005,12 +6034,6 @@ s_func (int end_p)
static void
do_s_func (int end_p, const char *default_prefix)
{
- /* Record the current function so that we can issue an error message for
- misplaced .func,.endfunc, and also so that .endfunc needs no
- arguments. */
- static char *current_name;
- static char *current_label;
-
if (end_p)
{
if (current_name == NULL)
@@ -6255,7 +6278,7 @@ find_end_of_line (char *s, int mri_string)
return _find_end_of_line (s, mri_string, 0, 0);
}
-static char *saved_ilp = NULL;
+static char *saved_ilp;
static char *saved_limit;
/* Use BUF as a temporary input pointer for calling other functions in this