Support the -a (use_resolved) option for TARGET_arm.

Shaun Jackman <sjackman@gmail.com>

diff --git a/elf2flt.c b/elf2flt.c
index c6bdb91..09bf896 100644 (file)
--- a/elf2flt.c
+++ b/elf2flt.c
@@ -6,6 +6,8 @@
  * ELF format file handling. Extended relocation support for all of
  * text and data.
  *
+ * (c) 2006  Support the -a (use_resolved) option for TARGET_arm.
+ *           Shaun Jackman <sjackman@gmail.com>
  * (c) 2004, Nios II support, Wentao Xu <wentao@microtronix.com>
  * (c) 2003, H8 support, ktrace <davidm@snapgear.com>
  * (c) 2003-2004, MicroBlaze support, John Williams <jwilliams@itee.uq.edu.au>
@@ -584,7 +586,7 @@ dump_symbols(symbols, number_of_symbols);
                        /* Adjust the address to account for the GOT table which wasn't
                         * present in the relative file link.
                         */
-                       if (pic_with_got)
+                       if (pic_with_got && !use_resolved)
                          q->address += got_size;
 #endif
 
@@ -696,6 +698,19 @@ dump_symbols(symbols, number_of_symbols);
                                        break;
 #endif /* TARGET_V850 */
 
+#if defined(TARGET_arm)
+                               case R_ARM_ABS32:
+                                       relocation_needed = 1;
+                                       break;
+                               case R_ARM_THM_PC22:
+                                       relocation_needed = 0;
+                                       break;
+                               default:
+                                       printf("ERROR: reloc type %s unsupported in this context\n",
+                                              q->howto->name);
+                                       bad_relocs++;
+                                       break;
+#else
                                default:
                                        /* The default is to assume that the
                                           relocation is relative and has
@@ -717,6 +732,7 @@ dump_symbols(symbols, number_of_symbols);
                                                        + (r_mem[2] << 16)
                                                        + (r_mem[3] << 24);
                                        relocation_needed = 1;
+#endif
                                }
                        } else {
                                /* Calculate the sym address ourselves.  */
@@ -1482,17 +1498,20 @@ DIS29_RELOCATION:
 
                                tmp.l = *(unsigned long *)r_mem;
                                hl = tmp.c[i0] | (tmp.c[i1] << 8) | (tmp.c[i2] << 16);
-                               if (((*p)->howto->type != R_ARM_PC24) &&
-                                   ((*p)->howto->type != R_ARM_PLT32))
+                               if (use_resolved ||
+                                       (((*p)->howto->type != R_ARM_PC24) &&
+                                       ((*p)->howto->type != R_ARM_PLT32)))
                                        hl |= (tmp.c[i3] << 24);
                                else if (tmp.c[i2] & 0x80)
                                        hl |= 0xff000000; /* sign extend */
-                               hl += sym_addr;
+                               if (!use_resolved)
+                                       hl += sym_addr;
                                tmp.c[i0] = hl & 0xff;
                                tmp.c[i1] = (hl >> 8) & 0xff;
                                tmp.c[i2] = (hl >> 16) & 0xff;
-                               if (((*p)->howto->type != R_ARM_PC24) &&
-                                   ((*p)->howto->type != R_ARM_PLT32))
+                               if (use_resolved ||
+                                       (((*p)->howto->type != R_ARM_PC24) &&
+                                       ((*p)->howto->type != R_ARM_PLT32)))
                                        tmp.c[i3] = (hl >> 24) & 0xff;
                                if ((*p)->howto->type == R_ARM_ABS32)
                                        *(unsigned long *)r_mem = htonl(hl);