+#ifdef OBJ_ELF
+
+/* Return zero if the reference to SYMBOL from within the same segment may
+ be relaxed. */
+
+/* On an ELF system, we can't relax an externally visible symbol,
+ because it may be overridden by a shared library. However, if
+ TARGET_OS is "elf", then we presume that we are assembling for an
+ embedded system, in which case we don't have to worry about shared
+ libraries, and we can relax any external sym. */
+
+#define relaxable_symbol(symbol) \
+ (!((S_IS_EXTERNAL (symbol) && strcmp (TARGET_OS, "elf") != 0) \
+ || S_IS_WEAK (symbol)))
+
+/* Compute the relocation code for a fixup of SIZE bytes, using pc
+ relative relocation if PCREL is non-zero. PIC says whether a special
+ pic relocation was requested. */
+
+static bfd_reloc_code_real_type get_reloc_code
+ PARAMS ((int, int, enum pic_relocation));
+
+static bfd_reloc_code_real_type
+get_reloc_code (size, pcrel, pic)
+ int size;
+ int pcrel;
+ enum pic_relocation pic;
+{
+ switch (pic)
+ {
+ case pic_got_pcrel:
+ switch (size)
+ {
+ case 1:
+ return BFD_RELOC_8_GOT_PCREL;
+ case 2:
+ return BFD_RELOC_16_GOT_PCREL;
+ case 4:
+ return BFD_RELOC_32_GOT_PCREL;
+ }
+ break;
+
+ case pic_got_off:
+ switch (size)
+ {
+ case 1:
+ return BFD_RELOC_8_GOTOFF;
+ case 2:
+ return BFD_RELOC_16_GOTOFF;
+ case 4:
+ return BFD_RELOC_32_GOTOFF;
+ }
+ break;
+
+ case pic_plt_pcrel:
+ switch (size)
+ {
+ case 1:
+ return BFD_RELOC_8_PLT_PCREL;
+ case 2:
+ return BFD_RELOC_16_PLT_PCREL;
+ case 4:
+ return BFD_RELOC_32_PLT_PCREL;
+ }
+ break;
+
+ case pic_plt_off:
+ switch (size)
+ {
+ case 1:
+ return BFD_RELOC_8_PLTOFF;
+ case 2:
+ return BFD_RELOC_16_PLTOFF;
+ case 4:
+ return BFD_RELOC_32_PLTOFF;
+ }
+ break;
+
+ case pic_none:
+ if (pcrel)
+ {
+ switch (size)
+ {
+ case 1:
+ return BFD_RELOC_8_PCREL;
+ case 2:
+ return BFD_RELOC_16_PCREL;
+ case 4:
+ return BFD_RELOC_32_PCREL;
+ }
+ }
+ else
+ {
+ switch (size)
+ {
+ case 1:
+ return BFD_RELOC_8;
+ case 2:
+ return BFD_RELOC_16;
+ case 4:
+ return BFD_RELOC_32;
+ }
+ }
+ }
+
+ if (pcrel)
+ {
+ if (pic == pic_none)
+ as_bad (_("Can not do %d byte pc-relative relocation"), size);
+ else
+ as_bad (_("Can not do %d byte pc-relative pic relocation"), size);
+ }
+ else
+ {
+ if (pic == pic_none)
+ as_bad (_("Can not do %d byte relocation"), size);
+ else
+ as_bad (_("Can not do %d byte pic relocation"), size);
+ }
+
+ return BFD_RELOC_NONE;
+}
+
+/* Here we decide which fixups can be adjusted to make them relative
+ to the beginning of the section instead of the symbol. Basically
+ we need to make sure that the dynamic relocations are done
+ correctly, so in some cases we force the original symbol to be
+ used. */
+int
+tc_m68k_fix_adjustable (fixP)
+ fixS *fixP;
+{
+ /* adjust_reloc_syms doesn't know about the GOT */
+ switch (fixP->fx_r_type)
+ {
+ case BFD_RELOC_8_GOT_PCREL:
+ case BFD_RELOC_16_GOT_PCREL:
+ case BFD_RELOC_32_GOT_PCREL:
+ case BFD_RELOC_8_GOTOFF:
+ case BFD_RELOC_16_GOTOFF:
+ case BFD_RELOC_32_GOTOFF:
+ case BFD_RELOC_8_PLT_PCREL:
+ case BFD_RELOC_16_PLT_PCREL:
+ case BFD_RELOC_32_PLT_PCREL:
+ case BFD_RELOC_8_PLTOFF:
+ case BFD_RELOC_16_PLTOFF:
+ case BFD_RELOC_32_PLTOFF:
+ return 0;
+
+ case BFD_RELOC_VTABLE_INHERIT:
+ case BFD_RELOC_VTABLE_ENTRY:
+ return 0;
+
+ default:
+ return 1;
+ }
+}
+
+#else /* !OBJ_ELF */
+
+#define get_reloc_code(SIZE,PCREL,OTHER) NO_RELOC
+
+#define relaxable_symbol(symbol) 1
+
+#endif /* OBJ_ELF */
+
projects / binutils-gdb.git / blobdiff