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* config/tc-mips.c (md_pseudo_table): If OBJ_ELF, handle .section. 

(s_elf_section): New static function.
	* ecoff.c (ecoff_build_symbols): Don't abort if we don't recognize
	the section when setting the storage class; default to sc_Data.
This commit is contained in:
Ian Lance Taylor 1994-10-22 00:51:53 +00:00
parent 32399d323e
commit 9da4c5d130
3 changed files with 82 additions and 7 deletions
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7
gas/ChangeLog
View File

@ -1,3 +1,10 @@
Fri Oct 21 20:42:29 1994 Ian Lance Taylor <ian@sanguine.cygnus.com>
* config/tc-mips.c (md_pseudo_table): If OBJ_ELF, handle .section.
(s_elf_section): New static function.
* ecoff.c (ecoff_build_symbols): Don't abort if we don't recognize
the section when setting the storage class; default to sc_Data.
Thu Oct 20 00:43:38 1994 Jeff Law (law@snake.cs.utah.edu)
* config/tc-hppa.c (md_apply_fix): Set new_val to 8 for all

73
gas/config/tc-mips.c
View File

@ -23,6 +23,7 @@
#include "as.h"
#include "config.h"
#include "subsegs.h"
#include <ctype.h>
@ -394,6 +395,9 @@ static void s_loc PARAMS ((int));
static void s_mask PARAMS ((char));
#endif
#endif
#ifdef OBJ_ELF
static void s_elf_section PARAMS ((int));
#endif
/* Pseudo-op table.
@ -474,6 +478,11 @@ const pseudo_typeS md_pseudo_table[] =
{"verstamp", s_ignore, 0},
#endif
#ifdef OBJ_ELF
/* We need to tweak the ELF ".section" pseudo-op a bit. */
{"section", s_elf_section, 0},
#endif
/* Sentinel. */
{NULL}
};
@ -4700,8 +4709,9 @@ mips_ip (str, ip)
|| offset_expr.X_add_number < -0x8000)
&& (mips_pic != EMBEDDED_PIC
|| offset_expr.X_op != O_subtract
|| ! S_IS_LOCAL (offset_expr.X_add_symbol)
|| ! S_IS_LOCAL (offset_expr.X_op_symbol)))
|| now_seg != text_section
|| (S_GET_SEGMENT (offset_expr.X_op_symbol)
!= text_section)))
break;
offset_reloc = BFD_RELOC_LO16;
@ -5398,8 +5408,6 @@ md_apply_fix (fixP, valueP)
as_warn_where (fixP->fx_file, fixP->fx_line,
"Branch to odd address (%lx)", value);
value >>= 2;
if (value < -0x8000 || value >= 0x8000)
as_bad_where (fixP->fx_file, fixP->fx_line, "Relocation overflow");
/* update old instruction data */
buf = (unsigned char *) (fixP->fx_where + fixP->fx_frag->fr_literal);
@ -5417,7 +5425,46 @@ md_apply_fix (fixP, valueP)
internalError ();
return 0;
}
insn |= value & 0xFFFF;
if (value >= -0x8000 && value < 0x8000)
insn |= value & 0xffff;
else
{
/* The branch offset is too large. If this is an
unconditional branch, and we are not generating PIC code,
we can convert it to an absolute jump instruction. */
if (mips_pic == NO_PIC
&& fixP->fx_done
&& fixP->fx_frag->fr_address >= text_section->vma
&& (fixP->fx_frag->fr_address
< text_section->vma + text_section->_raw_size)
&& ((insn & 0xffff0000) == 0x10000000 /* beq $0,$0 */
|| (insn & 0xffff0000) == 0x04010000 /* bgez $0 */
|| (insn & 0xffff0000) == 0x04110000)) /* bgezal $0 */
{
if ((insn & 0xffff0000) == 0x04110000) /* bgezal $0 */
insn = 0x0c000000; /* jal */
else
insn = 0x08000000; /* j */
fixP->fx_r_type = BFD_RELOC_MIPS_JMP;
fixP->fx_done = 0;
fixP->fx_addsy = section_symbol (text_section);
fixP->fx_addnumber = (value << 2) + md_pcrel_from (fixP);
}
else
{
/* FIXME. It would be possible in principle to handle
conditional branches which overflow. They could be
transformed into a branch around a jump. This would
require setting up variant frags for each different
branch type. The native MIPS assembler attempts to
handle these cases, but it appears to do it
incorrectly. */
as_bad_where (fixP->fx_file, fixP->fx_line,
"Relocation overflow");
}
}
md_number_to_chars ((char *) buf, (valueT) insn, 4);
break;
@ -5677,6 +5724,22 @@ s_change_sec (sec)
auto_align = 1;
}
#ifdef OBJ_ELF
/* Handle the ELF .section pseudo-op. This is a wrapper around
obj_elf_section. */
static void
s_elf_section (x)
int x;
{
mips_emit_delays ();
obj_elf_section (x);
auto_align = 1;
}
#endif /* OBJ_ELF */
static void
s_cons (log_size)
int log_size;

9
gas/ecoff.c
View File

@ -3953,7 +3953,12 @@ ecoff_build_symbols (backend, buf, bufend, offset)
else if (seg == &bfd_abs_section)
sc = sc_Abs;
else
abort ();
{
/* This must be a user named section.
This is not possible in ECOFF, but it
is in ELF. */
sc = sc_Data;
}
sym_ptr->ecoff_sym.asym.st = (int) st;
sym_ptr->ecoff_sym.asym.sc = (int) sc;
@ -5153,7 +5158,7 @@ ecoff_generate_asm_lineno (filename, lineno)
ecoff_generate_asm_line_stab(filename, lineno);
*/
if (strcmp (current_stabs_filename, filename))
if (current_stabs_filename == (char *)NULL || strcmp (current_stabs_filename, filename))
{
add_file (filename, 0);
generate_asm_lineno = 1;