* 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.

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 439d453165e5c153b9383a7c305462e46dbbdc93..a589c554b9e69cc00dff621406c947d799c8c75f 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -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

diff --git a/gas/config/tc-mips.c b/gas/config/tc-mips.c
index 5e733e9d3431588dea2a7162fe2684a946492c32..0fc795d5eb2eb4902fc11d2a592dba1a79337660 100644 (file)
--- a/gas/config/tc-mips.c
+++ b/gas/config/tc-mips.c
@@ -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
 \f
 /* 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;

diff --git a/gas/ecoff.c b/gas/ecoff.c
index a0644066c80ef274c0f62c3dface0797ecba6c10..fbd8683577a6608116af3480d13ea1ba6dadf772 100644 (file)
--- a/gas/ecoff.c
+++ b/gas/ecoff.c
@@ -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;