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* config/tc-i386.c (output_jump, output_disp)
authorschwab <schwab>
Wed, 24 Apr 2002 14:56:07 +0000 (14:56 +0000)
committerschwab <schwab>
Wed, 24 Apr 2002 14:56:07 +0000 (14:56 +0000)
(md_estimate_size_before_relax): Don't set fx_pcrel_adjust any
more.
(md_apply_fix3): Remember addend value for rela relocations.
(tc_gen_reloc): Correctly compute pc-relative relocation addend.

gas/ChangeLog
gas/config/tc-i386.c

index 33daed1..0bc6cd2 100644 (file)
@@ -1,3 +1,11 @@
+2002-04-24  Andreas Schwab  <schwab@suse.de>
+
+       * config/tc-i386.c (output_jump, output_disp)
+       (md_estimate_size_before_relax): Don't set fx_pcrel_adjust any
+       more.
+       (md_apply_fix3): Remember addend value for rela relocations.
+       (tc_gen_reloc): Correctly compute pc-relative relocation addend.
+
 2002-04-22  Chris Demetriou  <cgd@broadcom.com>
 
        * config/tc-mips.c (macro_build): Add close-parenthesis missing
index 1d874af..ec1da5c 100644 (file)
@@ -2980,7 +2980,6 @@ output_jump ()
 {
   char *p;
   int size;
-  fixS *fixP;
 
   if (i.tm.opcode_modifier & JumpByte)
     {
@@ -3031,9 +3030,8 @@ output_jump ()
   p = frag_more (1 + size);
   *p++ = i.tm.base_opcode;
 
-  fixP = fix_new_exp (frag_now, p - frag_now->fr_literal, size,
-                     i.op[0].disps, 1, reloc (size, 1, 1, i.reloc[0]));
-  fixP->fx_pcrel_adjust = size;
+  fix_new_exp (frag_now, p - frag_now->fr_literal, size,
+              i.op[0].disps, 1, reloc (size, 1, 1, i.reloc[0]));
 }
 
 static void
@@ -3226,7 +3224,6 @@ output_disp ()
              int size = 4;
              int sign = 0;
              int pcrel = (i.flags[n] & Operand_PCrel) != 0;
-             fixS *fixP;
 
              /* The PC relative address is computed relative
                 to the instruction boundary, so in case immediate
@@ -3266,11 +3263,9 @@ output_disp ()
                }
 
              p = frag_more (size);
-             fixP = fix_new_exp (frag_now, p - frag_now->fr_literal, size,
-                                 i.op[n].disps, pcrel,
-                                 reloc (size, pcrel, sign, i.reloc[n]));
-             if (pcrel)
-               fixP->fx_pcrel_adjust = size;
+             fix_new_exp (frag_now, p - frag_now->fr_literal, size,
+                          i.op[n].disps, pcrel,
+                          reloc (size, pcrel, sign, i.reloc[n]));
            }
        }
     }
@@ -4215,7 +4210,6 @@ md_estimate_size_before_relax (fragP, segment)
       RELOC_ENUM reloc_type;
       unsigned char *opcode;
       int old_fr_fix;
-      fixS *fixP;
 
       if (fragP->fr_var != NO_RELOC)
        reloc_type = fragP->fr_var;
@@ -4233,11 +4227,10 @@ md_estimate_size_before_relax (fragP, segment)
          /* Make jmp (0xeb) a (d)word displacement jump.  */
          opcode[0] = 0xe9;
          fragP->fr_fix += size;
-         fixP = fix_new (fragP, old_fr_fix, size,
-                         fragP->fr_symbol,
-                         fragP->fr_offset, 1,
-                         reloc_type);
-         fixP->fx_pcrel_adjust = size;
+         fix_new (fragP, old_fr_fix, size,
+                  fragP->fr_symbol,
+                  fragP->fr_offset, 1,
+                  reloc_type);
          break;
 
        case COND_JUMP86:
@@ -4255,11 +4248,10 @@ md_estimate_size_before_relax (fragP, segment)
              /* We added two extra opcode bytes, and have a two byte
                 offset.  */
              fragP->fr_fix += 2 + 2;
-             fixP = fix_new (fragP, old_fr_fix + 2, 2,
-                             fragP->fr_symbol,
-                             fragP->fr_offset, 1,
-                             reloc_type);
-             fixP->fx_pcrel_adjust = size;
+             fix_new (fragP, old_fr_fix + 2, 2,
+                      fragP->fr_symbol,
+                      fragP->fr_offset, 1,
+                      reloc_type);
              break;
            }
          /* Fall through.  */
@@ -4274,11 +4266,10 @@ md_estimate_size_before_relax (fragP, segment)
          opcode[0] = TWO_BYTE_OPCODE_ESCAPE;
          /* We've added an opcode byte.  */
          fragP->fr_fix += 1 + size;
-         fixP = fix_new (fragP, old_fr_fix + 1, size,
-                         fragP->fr_symbol,
-                         fragP->fr_offset, 1,
-                         reloc_type);
-         fixP->fx_pcrel_adjust = size;
+         fix_new (fragP, old_fr_fix + 1, size,
+                  fragP->fr_symbol,
+                  fragP->fr_offset, 1,
+                  reloc_type);
          break;
 
        default:
@@ -4607,6 +4598,8 @@ md_apply_fix3 (fixP, valP, seg)
   else if (use_rela_relocations)
     {
       fixP->fx_no_overflow = 1;
+      /* Remember value for tc_gen_reloc.  */
+      fixP->fx_addnumber = value;
       value = 0;
     }
 #endif
@@ -5120,9 +5113,23 @@ tc_gen_reloc (section, fixp)
   /* Use the rela in 64bit mode.  */
   else
     {
-      rel->addend = fixp->fx_offset;
-      if (fixp->fx_pcrel)
-       rel->addend -= fixp->fx_pcrel_adjust;
+      if (!fixp->fx_pcrel)
+       rel->addend = fixp->fx_offset;
+      else
+       switch (code)
+         {
+         case BFD_RELOC_X86_64_PLT32:
+         case BFD_RELOC_X86_64_GOT32:
+         case BFD_RELOC_X86_64_GOTPCREL:
+           rel->addend = fixp->fx_offset - fixp->fx_size;
+           break;
+         default:
+           rel->addend = (section->vma
+                          - fixp->fx_size
+                          + fixp->fx_addnumber
+                          + md_pcrel_from (fixp));
+           break;
+         }
     }
 
   rel->howto = bfd_reloc_type_lookup (stdoutput, code);