}
#endif /* TARGET_microblaze */
-#ifdef TARGET_nios2
-#define htoniosl(x) (x)
-#define niostohl(x) (x)
- switch ((*p)->howto->type)
- {
- case R_NIOS2_BFD_RELOC_32:
- relocation_needed = 1;
- pflags = (FLAT_NIOS2_R_32 << 28);
- sym_vma = bfd_section_vma(abs_bfd, sym_section);
- sym_addr += sym_vma + q->addend;
- /* modify target, in target order */
- *(unsigned long *)r_mem = htoniosl(sym_addr);
- break;
- case R_NIOS2_CALL26:
- {
- unsigned long exist_val;
- relocation_needed = 1;
- pflags = (FLAT_NIOS2_R_CALL26 << 28);
- sym_vma = bfd_section_vma(abs_bfd, sym_section);
- sym_addr += sym_vma + q->addend;
-
- /* modify target, in target order */
- // exist_val = niostohl(*(unsigned long *)r_mem);
- exist_val = ((sym_addr >> 2) << 6);
- *(unsigned long *)r_mem = htoniosl(exist_val);
- break;
- }
- case R_NIOS2_HIADJ16:
- case R_NIOS2_HI16:
- {
- unsigned long exist_val;
- int r2_type;
- /* handle the adjacent HI/LO pairs */
- if (relcount == 0)
- r2_type = R_NIOS2_NONE;
- else
- r2_type = p[1]->howto->type;
- if ((r2_type == R_NIOS2_LO16)
- && (p[0]->sym_ptr_ptr == p[1]->sym_ptr_ptr)
- && (p[0]->addend == p[1]->addend))
- {
- unsigned char * r2_mem = sectionp + p[1]->address;
- if (p[1]->address - q->address!=4)
- printf("Err: HI/LO not adjacent %d\n", p[1]->address - q->address);
- relocation_needed = 1;
- pflags = (q->howto->type == R_NIOS2_HIADJ16)
- ? FLAT_NIOS2_R_HIADJ_LO : FLAT_NIOS2_R_HI_LO;
- pflags <<= 28;
-
- sym_vma = bfd_section_vma(abs_bfd, sym_section);
- sym_addr += sym_vma + q->addend;
-
- /* modify high 16 bits, in target order */
- exist_val = niostohl(*(unsigned long *)r_mem);
- exist_val = ((exist_val >> 22) << 22) | (exist_val & 0x3f);
- if (q->howto->type == R_NIOS2_HIADJ16)
- exist_val |= ((((sym_addr >> 16) + ((sym_addr >> 15) & 1)) & 0xFFFF) << 6);
- else
- exist_val |= (((sym_addr >> 16) & 0xFFFF) << 6);
- *(unsigned long *)r_mem = htoniosl(exist_val);
-
- /* modify low 16 bits, in target order */
- exist_val = niostohl(*(unsigned long *)r2_mem);
- exist_val = ((exist_val >> 22) << 22) | (exist_val & 0x3f);
- exist_val |= ((sym_addr & 0xFFFF) << 6);
- *(unsigned long *)r2_mem = htoniosl(exist_val);
-
- } else
- goto NIOS2_RELOC_ERR;
- }
- break;
-
- case R_NIOS2_GPREL:
- {
- unsigned long exist_val, temp;
- //long gp = get_symbol_offset("_gp", sym_section, symbols, number_of_symbols);
- long gp = get_gp_value(symbols, number_of_symbols);
- if (gp == -1) {
- printf("Err: unresolved symbol _gp when relocating %s\n", sym_name);
- goto NIOS2_RELOC_ERR;
- }
- /* _gp holds a absolute value, otherwise the ld cannot generate correct code */
- sym_vma = bfd_section_vma(abs_bfd, sym_section);
- //printf("sym=%x, %d, _gp=%x, %d\n", sym_addr+sym_vma, sym_addr+sym_vma, gp, gp);
- sym_addr += sym_vma + q->addend;
- sym_addr -= gp;
- //printf("sym - _gp=%x, %d\n", sym_addr, sym_addr);
- /* modify the target, in target order (little_endian) */
- exist_val = niostohl(*(unsigned long *)r_mem);
- temp = ((exist_val >> 6) & 0x3ff0000) | (sym_addr & 0xffff);
- temp <<= 6;
- temp |= (exist_val & 0x3f);
- *(unsigned long *)r_mem = htoniosl(temp);
- if (verbose)
- printf("omit: offset=0x%x symbol=%s%s "
- "section=%s size=%d "
- "fixup=0x%x (reloc=0x%x) GPREL\n",
- q->address, sym_name, addstr,
- section_name, sym_reloc_size,
- sym_addr, section_vma + q->address);
- continue;
- }
- case R_NIOS2_PCREL16:
- {
- unsigned long exist_val;
- sym_vma = 0;
- sym_addr += sym_vma + q->addend;
- sym_addr -= (q->address + 4);
- /* modify the target, in target order (little_endian) */
- exist_val = niostohl(*(unsigned long *)r_mem);
- exist_val = ((exist_val >> 22) << 22) | (exist_val & 0x3f);
- exist_val |= ((sym_addr & 0xFFFF) << 6);
- *(unsigned long *)r_mem = htoniosl(exist_val);
- if (verbose)
- printf("omit: offset=0x%x symbol=%s%s "
- "section=%s size=%d "
- "fixup=0x%x (reloc=0x%x) PCREL\n",
- q->address, sym_name, addstr,
- section_name, sym_reloc_size,
- sym_addr, section_vma + q->address);
- continue;
- }
-
- case R_NIOS2_LO16:
- /* check if this is actually the 2nd half of a pair */
- if ((p > relpp)
- && ((p[-1]->howto->type == R_NIOS2_HIADJ16)
- || (p[-1]->howto->type == R_NIOS2_HI16))
- && (p[-1]->sym_ptr_ptr == p[0]->sym_ptr_ptr)
- && (p[-1]->addend == p[0]->addend)) {
- if (verbose)
- printf("omit: offset=0x%x symbol=%s%s "
- "section=%s size=%d LO16\n",
- q->address, sym_name, addstr,
- section_name, sym_reloc_size);
- continue;
- }
-
- /* error, fall through */
-
- case R_NIOS2_S16:
- case R_NIOS2_U16:
- case R_NIOS2_CACHE_OPX:
- case R_NIOS2_IMM5:
- case R_NIOS2_IMM6:
- case R_NIOS2_IMM8:
- case R_NIOS2_BFD_RELOC_16:
- case R_NIOS2_BFD_RELOC_8:
- case R_NIOS2_GNU_VTINHERIT:
- case R_NIOS2_GNU_VTENTRY:
- case R_NIOS2_UJMP:
- case R_NIOS2_CJMP:
- case R_NIOS2_CALLR:
-NIOS2_RELOC_ERR:
- printf("Err: unexpected reloc type %s(%d)\n", q->howto->name, q->howto->type);
- bad_relocs++;
- continue;
- }
-#endif /* TARGET_nios2 */
-
#ifdef TARGET_v850
/* Skip this relocation entirely if possible (we
do this early, before doing any other
#endif /* TARGET_microblaze */
+#ifdef TARGET_nios2
+#define htoniosl(x) (x)
+#define niostohl(x) (x)
+ switch ((*p)->howto->type)
+ {
+ case R_NIOS2_BFD_RELOC_32:
+ relocation_needed = 1;
+ pflags = (FLAT_NIOS2_R_32 << 28);
+ sym_vma = bfd_section_vma(abs_bfd, sym_section);
+ sym_addr += sym_vma + q->addend;
+ /* modify target, in target order */
+ *(unsigned long *)r_mem = htoniosl(sym_addr);
+ break;
+ case R_NIOS2_CALL26:
+ {
+ unsigned long exist_val;
+ relocation_needed = 1;
+ pflags = (FLAT_NIOS2_R_CALL26 << 28);
+ sym_vma = bfd_section_vma(abs_bfd, sym_section);
+ sym_addr += sym_vma + q->addend;
+
+ /* modify target, in target order */
+ // exist_val = niostohl(*(unsigned long *)r_mem);
+ exist_val = ((sym_addr >> 2) << 6);
+ *(unsigned long *)r_mem = htoniosl(exist_val);
+ break;
+ }
+ case R_NIOS2_HIADJ16:
+ case R_NIOS2_HI16:
+ {
+ unsigned long exist_val;
+ int r2_type;
+ /* handle the adjacent HI/LO pairs */
+ if (relcount == 0)
+ r2_type = R_NIOS2_NONE;
+ else
+ r2_type = p[1]->howto->type;
+ if ((r2_type == R_NIOS2_LO16)
+ && (p[0]->sym_ptr_ptr == p[1]->sym_ptr_ptr)
+ && (p[0]->addend == p[1]->addend))
+ {
+ unsigned char * r2_mem = sectionp + p[1]->address;
+ if (p[1]->address - q->address!=4)
+ printf("Err: HI/LO not adjacent %d\n", p[1]->address - q->address);
+ relocation_needed = 1;
+ pflags = (q->howto->type == R_NIOS2_HIADJ16)
+ ? FLAT_NIOS2_R_HIADJ_LO : FLAT_NIOS2_R_HI_LO;
+ pflags <<= 28;
+
+ sym_vma = bfd_section_vma(abs_bfd, sym_section);
+ sym_addr += sym_vma + q->addend;
+
+ /* modify high 16 bits, in target order */
+ exist_val = niostohl(*(unsigned long *)r_mem);
+ exist_val = ((exist_val >> 22) << 22) | (exist_val & 0x3f);
+ if (q->howto->type == R_NIOS2_HIADJ16)
+ exist_val |= ((((sym_addr >> 16) + ((sym_addr >> 15) & 1)) & 0xFFFF) << 6);
+ else
+ exist_val |= (((sym_addr >> 16) & 0xFFFF) << 6);
+ *(unsigned long *)r_mem = htoniosl(exist_val);
+
+ /* modify low 16 bits, in target order */
+ exist_val = niostohl(*(unsigned long *)r2_mem);
+ exist_val = ((exist_val >> 22) << 22) | (exist_val & 0x3f);
+ exist_val |= ((sym_addr & 0xFFFF) << 6);
+ *(unsigned long *)r2_mem = htoniosl(exist_val);
+
+ } else
+ goto NIOS2_RELOC_ERR;
+ }
+ break;
+
+ case R_NIOS2_GPREL:
+ {
+ unsigned long exist_val, temp;
+ //long gp = get_symbol_offset("_gp", sym_section, symbols, number_of_symbols);
+ long gp = get_gp_value(symbols, number_of_symbols);
+ if (gp == -1) {
+ printf("Err: unresolved symbol _gp when relocating %s\n", sym_name);
+ goto NIOS2_RELOC_ERR;
+ }
+ /* _gp holds a absolute value, otherwise the ld cannot generate correct code */
+ sym_vma = bfd_section_vma(abs_bfd, sym_section);
+ //printf("sym=%x, %d, _gp=%x, %d\n", sym_addr+sym_vma, sym_addr+sym_vma, gp, gp);
+ sym_addr += sym_vma + q->addend;
+ sym_addr -= gp;
+ //printf("sym - _gp=%x, %d\n", sym_addr, sym_addr);
+ /* modify the target, in target order (little_endian) */
+ exist_val = niostohl(*(unsigned long *)r_mem);
+ temp = ((exist_val >> 6) & 0x3ff0000) | (sym_addr & 0xffff);
+ temp <<= 6;
+ temp |= (exist_val & 0x3f);
+ *(unsigned long *)r_mem = htoniosl(temp);
+ if (verbose)
+ printf("omit: offset=0x%x symbol=%s%s "
+ "section=%s size=%d "
+ "fixup=0x%x (reloc=0x%x) GPREL\n",
+ q->address, sym_name, addstr,
+ section_name, sym_reloc_size,
+ sym_addr, section_vma + q->address);
+ continue;
+ }
+ case R_NIOS2_PCREL16:
+ {
+ unsigned long exist_val;
+ sym_vma = 0;
+ sym_addr += sym_vma + q->addend;
+ sym_addr -= (q->address + 4);
+ /* modify the target, in target order (little_endian) */
+ exist_val = niostohl(*(unsigned long *)r_mem);
+ exist_val = ((exist_val >> 22) << 22) | (exist_val & 0x3f);
+ exist_val |= ((sym_addr & 0xFFFF) << 6);
+ *(unsigned long *)r_mem = htoniosl(exist_val);
+ if (verbose)
+ printf("omit: offset=0x%x symbol=%s%s "
+ "section=%s size=%d "
+ "fixup=0x%x (reloc=0x%x) PCREL\n",
+ q->address, sym_name, addstr,
+ section_name, sym_reloc_size,
+ sym_addr, section_vma + q->address);
+ continue;
+ }
+
+ case R_NIOS2_LO16:
+ /* check if this is actually the 2nd half of a pair */
+ if ((p > relpp)
+ && ((p[-1]->howto->type == R_NIOS2_HIADJ16)
+ || (p[-1]->howto->type == R_NIOS2_HI16))
+ && (p[-1]->sym_ptr_ptr == p[0]->sym_ptr_ptr)
+ && (p[-1]->addend == p[0]->addend)) {
+ if (verbose)
+ printf("omit: offset=0x%x symbol=%s%s "
+ "section=%s size=%d LO16\n",
+ q->address, sym_name, addstr,
+ section_name, sym_reloc_size);
+ continue;
+ }
+
+ /* error, fall through */
+
+ case R_NIOS2_S16:
+ case R_NIOS2_U16:
+ case R_NIOS2_CACHE_OPX:
+ case R_NIOS2_IMM5:
+ case R_NIOS2_IMM6:
+ case R_NIOS2_IMM8:
+ case R_NIOS2_BFD_RELOC_16:
+ case R_NIOS2_BFD_RELOC_8:
+ case R_NIOS2_GNU_VTINHERIT:
+ case R_NIOS2_GNU_VTENTRY:
+ case R_NIOS2_UJMP:
+ case R_NIOS2_CJMP:
+ case R_NIOS2_CALLR:
+NIOS2_RELOC_ERR:
+ printf("Err: unexpected reloc type %s(%d)\n", q->howto->name, q->howto->type);
+ bad_relocs++;
+ continue;
+ }
+#endif /* TARGET_nios2 */
+
#ifdef TARGET_sparc
case R_SPARC_32:
case R_SPARC_UA32:
OSDN Git Service
