* as.h (subseg_text_p): Declare.
* read.c (do_align): Use subseg_text_p to set the default fill.
* write.c (subsegs_finish): Likewise.
* config/obj-coff.c (write_object_file): Likewise.
* config/tc-i386.h (md_maybe_text): Don't define.
(md_do_align): Use subseg_text_p to set the default fill.
* config/tc-m32r.c (m32r_do_align): Likewise.
* config/tc-sh.c (sh_do_align): Likewise.
* config/tc-sparc.h (md_do_align): Likewise.
+1999-06-12 Ian Lance Taylor <ian@zembu.com>
+
+ * subsegs.c (subseg_text_p): New function.
+ * as.h (subseg_text_p): Declare.
+ * read.c (do_align): Use subseg_text_p to set the default fill.
+ * write.c (subsegs_finish): Likewise.
+ * config/obj-coff.c (write_object_file): Likewise.
+ * config/tc-i386.h (md_maybe_text): Don't define.
+ (md_do_align): Use subseg_text_p to set the default fill.
+ * config/tc-m32r.c (m32r_do_align): Likewise.
+ * config/tc-sh.c (sh_do_align): Likewise.
+ * config/tc-sparc.h (md_do_align): Likewise.
+
1999-06-12 David O'Brien <obrien@freebsd.org>
* configure.in: (i[3456]86-*-freebsd*): Now defaults to ELF.
#ifdef BFD_ASSEMBLER
segT subseg_get PARAMS ((const char *, int));
#endif
+int subseg_text_p PARAMS ((segT));
void start_dependencies PARAMS ((char *));
void register_dependency PARAMS ((char *));
at the next frag. */
subseg_set (frchain_ptr->frch_seg, frchain_ptr->frch_subseg);
+
#ifndef SUB_SEGMENT_ALIGN
#define SUB_SEGMENT_ALIGN(SEG) 1
#endif
md_do_align (SUB_SEGMENT_ALIGN (now_seg), (char *) NULL, 0, 0,
alignment_done);
#endif
- frag_align (SUB_SEGMENT_ALIGN (now_seg), NOP_OPCODE, 0);
+ frag_align (SUB_SEGMENT_ALIGN (now_seg),
+ subseg_text_p (now_seg) ? NOP_OPCODE : 0,
+ 0);
#ifdef md_do_align
alignment_done:
#endif
/* tc-i386.h -- Header file for tc-i386.c
- Copyright (C) 1989, 92, 93, 94, 95, 96, 97, 1998 Free Software Foundation.
+ Copyright (C) 1989, 92, 93, 94, 95, 96, 97, 98, 1999
+ Free Software Foundation.
This file is part of GAS, the GNU Assembler.
extern int flag_16bit_code;
-#ifdef BFD_ASSEMBLER
-#define md_maybe_text() \
- ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0)
-#else
-#define md_maybe_text() \
- (now_seg != data_section && now_seg != bss_section)
-#endif
-
#define md_do_align(n, fill, len, max, around) \
if ((n) && !need_pass_2 \
&& (!(fill) || ((char)*(fill) == (char)0x90 && (len) == 1)) \
- && md_maybe_text ()) \
+ && subseg_text_p (now_seg)) \
{ \
char *p; \
p = frag_var (rs_align_code, 15, 1, (relax_substateT) max, \
{
/* Only do this if the fill pattern wasn't specified. */
if (fill == NULL
- && (now_seg->flags & SEC_CODE) != 0
+ && subseg_text_p (now_seg)
/* Only do this special handling if aligning to at least a
4 byte boundary. */
&& n > 1
int max;
{
if (fill == NULL
-#ifdef BFD_ASSEMBLER
- && (now_seg->flags & SEC_CODE) != 0
-#else
- && now_seg != data_section
- && now_seg != bss_section
-#endif
+ && subseg_text_p (now_seg)
&& n > 1)
{
static const unsigned char big_nop_pattern[] = { 0x00, 0x09 };
#define md_do_align(n, fill, len, max, around) \
if ((n) && (n) <= 10 && !need_pass_2 && !(fill) \
- && now_seg != data_section && now_seg != bss_section) \
+ && subseg_text_p (now_seg)) \
{ \
char *p; \
p = frag_var (rs_align_code, 1 << n, 1, (relax_substateT) 1024, \
if (fill == NULL)
{
- int maybe_text;
-
-#ifdef BFD_ASSEMBLER
- if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0)
- maybe_text = 1;
- else
- maybe_text = 0;
-#else
- if (now_seg != data_section && now_seg != bss_section)
- maybe_text = 1;
- else
- maybe_text = 0;
-#endif
-
- if (maybe_text)
+ if (subseg_text_p (now_seg))
default_fill = NOP_OPCODE;
else
default_fill = 0;
#endif /* BFD_ASSEMBLER */
+/* Return whether the specified segment is thought to hold text. */
+
+int
+subseg_text_p (sec)
+ segT sec;
+{
+#ifdef BFD_ASSEMBLER
+ return (bfd_get_section_flags (stdoutput, sec) & SEC_CODE) != 0;
+#else
+ return (sec != data_section
+ && sec != bss_section
+ && strcmp (segment_name (sec), ".eh_frame") != 0);
+#endif
+}
+
void
subsegs_print_statistics (file)
FILE *file;
any alignment is meaningless, and, moreover, will look weird
if we are generating a listing. */
frag_align (had_errors () ? 0 : SUB_SEGMENT_ALIGN (now_seg),
- NOP_OPCODE, 0);
+ subseg_text_p (now_seg) ? NOP_OPCODE : 0,
+ 0);
/* frag_align will have left a new frag.
Use this last frag for an empty ".fill".