diff options
Diffstat (limited to 'bfd/elf32-bfin.c')
| -rw-r--r-- | bfd/elf32-bfin.c | 911 |
1 files changed, 120 insertions, 791 deletions
diff --git a/bfd/elf32-bfin.c b/bfd/elf32-bfin.c index 13c3201..d973ddf 100644 --- a/bfd/elf32-bfin.c +++ b/bfd/elf32-bfin.c @@ -1,4 +1,4 @@ -/* ADI Blackfin BFD support for 32-bit ELF. +/* ADI Blackfin BFD support for 32-bit ELF. Copyright 2005, 2006 Free Software Foundation, Inc. This file is part of BFD, the Binary File Descriptor library. @@ -24,167 +24,6 @@ #include "elf-bfd.h" #include "elf/bfin.h" -/* Handling expression relocations for blackfin. Blackfin - will generate relocations in an expression form with a stack. - A relocation such as P1.H = _typenames-4000000; - will generate the following relocs at offset 4: -00000004 R_expst_push _typenames -00000004 R_expst_const .__constant -00000004 R_expst_sub .__operator -00000006 R_huimm16 .__operator - - The .__constant and .__operator symbol names are fake. - Special case is a single relocation - P1.L = _typenames; generates -00000002 R_luimm16 _typenames - - Thus, if you get a R_luimm16, R_huimm16, R_imm16, - if the stack is not empty, pop the stack and - put the value, else do the normal thing - We will currently assume that the max the stack - would grow to is 100. . */ - -#define RELOC_STACK_SIZE 100 -static bfd_vma reloc_stack[RELOC_STACK_SIZE]; -static unsigned int reloc_stack_tos = 0; - -#define is_reloc_stack_empty() ((reloc_stack_tos > 0) ? 0 : 1) - -static void -reloc_stack_push (bfd_vma value) -{ - reloc_stack[reloc_stack_tos++] = value; -} - -static bfd_vma -reloc_stack_pop (void) -{ - return reloc_stack[--reloc_stack_tos]; -} - -static bfd_vma -reloc_stack_operate (unsigned int oper) -{ - bfd_vma value; - switch (oper) - { - case R_add: - { - value = - reloc_stack[reloc_stack_tos - 2] + reloc_stack[reloc_stack_tos - 1]; - reloc_stack_tos -= 2; - break; - } - case R_sub: - { - value = - reloc_stack[reloc_stack_tos - 2] - reloc_stack[reloc_stack_tos - 1]; - reloc_stack_tos -= 2; - break; - } - case R_mult: - { - value = - reloc_stack[reloc_stack_tos - 2] * reloc_stack[reloc_stack_tos - 1]; - reloc_stack_tos -= 2; - break; - } - case R_div: - { - if (reloc_stack[reloc_stack_tos - 1] == 0) - { - _bfd_abort (__FILE__, __LINE__, _("Division by zero. ")); - } - else - { - value = - reloc_stack[reloc_stack_tos - 2] / reloc_stack[reloc_stack_tos - 1]; - reloc_stack_tos -= 2; - } - break; - } - case R_mod: - { - value = - reloc_stack[reloc_stack_tos - 2] % reloc_stack[reloc_stack_tos - 1]; - reloc_stack_tos -= 2; - break; - } - case R_lshift: - { - value = - reloc_stack[reloc_stack_tos - 2] << reloc_stack[reloc_stack_tos - - 1]; - reloc_stack_tos -= 2; - break; - } - case R_rshift: - { - value = - reloc_stack[reloc_stack_tos - 2] >> reloc_stack[reloc_stack_tos - - 1]; - reloc_stack_tos -= 2; - break; - } - case R_and: - { - value = - reloc_stack[reloc_stack_tos - 2] & reloc_stack[reloc_stack_tos - 1]; - reloc_stack_tos -= 2; - break; - } - case R_or: - { - value = - reloc_stack[reloc_stack_tos - 2] | reloc_stack[reloc_stack_tos - 1]; - reloc_stack_tos -= 2; - break; - } - case R_xor: - { - value = - reloc_stack[reloc_stack_tos - 2] ^ reloc_stack[reloc_stack_tos - 1]; - reloc_stack_tos -= 2; - break; - } - case R_land: - { - value = reloc_stack[reloc_stack_tos - 2] - && reloc_stack[reloc_stack_tos - 1]; - reloc_stack_tos -= 2; - break; - } - case R_lor: - { - value = reloc_stack[reloc_stack_tos - 2] - || reloc_stack[reloc_stack_tos - 1]; - reloc_stack_tos -= 2; - break; - } - case R_neg: - { - value = -reloc_stack[reloc_stack_tos - 1]; - reloc_stack_tos--; - break; - } - case R_comp: - { - value = ~reloc_stack[reloc_stack_tos - 1]; - reloc_stack_tos -= 1; - break; - } - default: - { - fprintf (stderr, "bfin relocation : Internal bug\n"); - return 0; - } - } - - reloc_stack_push (value); - - return value; -} - /* FUNCTION : bfin_pltpc_reloc ABSTRACT : TODO : figure out how to handle pltpc relocs. */ static bfd_reloc_status_type @@ -195,10 +34,10 @@ bfin_pltpc_reloc ( PTR data ATTRIBUTE_UNUSED, asection *input_section ATTRIBUTE_UNUSED, bfd *output_bfd ATTRIBUTE_UNUSED, - char **error_message ATTRIBUTE_UNUSED) + char **error_message ATTRIBUTE_UNUSED) { bfd_reloc_status_type flag = bfd_reloc_ok; - return flag; + return flag; } @@ -221,49 +60,44 @@ bfin_pcrel24_reloc (bfd *abfd, if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) return bfd_reloc_outofrange; - if (!is_reloc_stack_empty ()) - relocation = reloc_stack_pop(); + if (bfd_is_und_section (symbol->section) + && (symbol->flags & BSF_WEAK) == 0 + && !relocatable) + return bfd_reloc_undefined; + + if (bfd_is_com_section (symbol->section)) + relocation = 0; else - { - if (bfd_is_und_section (symbol->section) - && (symbol->flags & BSF_WEAK) == 0 - && !relocatable) - return bfd_reloc_undefined; + relocation = symbol->value; - if (bfd_is_com_section (symbol->section)) - relocation = 0; - else - relocation = symbol->value; + output_section = symbol->section->output_section; + + if (relocatable) + output_base = 0; + else + output_base = output_section->vma; + + if (!relocatable || !strcmp (symbol->name, symbol->section->name)) + relocation += output_base + symbol->section->output_offset; - output_section = symbol->section->output_section; + if (!relocatable && !strcmp (symbol->name, symbol->section->name)) + relocation += reloc_entry->addend; - if (relocatable) - output_base = 0; - else - output_base = output_section->vma; - - if (!relocatable || !strcmp (symbol->name, symbol->section->name)) - relocation += output_base + symbol->section->output_offset; - - if (!relocatable && !strcmp (symbol->name, symbol->section->name)) - relocation += reloc_entry->addend; - } - relocation -= input_section->output_section->vma + input_section->output_offset; relocation -= reloc_entry->address; if (howto->complain_on_overflow != complain_overflow_dont) { bfd_reloc_status_type status; - status= bfd_check_overflow (howto->complain_on_overflow, - howto->bitsize, - howto->rightshift, - bfd_arch_bits_per_address(abfd), - relocation); + status = bfd_check_overflow (howto->complain_on_overflow, + howto->bitsize, + howto->rightshift, + bfd_arch_bits_per_address(abfd), + relocation); if (status != bfd_reloc_ok) return status; } - + /* if rightshift is 1 and the number odd, return error. */ if (howto->rightshift && (relocation & 0x01)) { @@ -286,11 +120,11 @@ bfin_pcrel24_reloc (bfd *abfd, short x; /* We are getting reloc_entry->address 2 byte off from - the start of instruction. Assuming absolute postion - of the reloc data. But, following code had been written assuming - reloc address is starting at begining of instruction. - To compensate that I have increased the value of - relocation by 1 (effectively 2) and used the addr -2 instead of addr. */ + the start of instruction. Assuming absolute postion + of the reloc data. But, following code had been written assuming + reloc address is starting at begining of instruction. + To compensate that I have increased the value of + relocation by 1 (effectively 2) and used the addr -2 instead of addr. */ relocation += 1; x = bfd_get_16 (abfd, (bfd_byte *) data + addr - 2); @@ -305,30 +139,32 @@ bfin_pcrel24_reloc (bfd *abfd, } static bfd_reloc_status_type -bfin_push_reloc (bfd *abfd ATTRIBUTE_UNUSED, - arelent *reloc_entry, - asymbol *symbol, - PTR data ATTRIBUTE_UNUSED, - asection *input_section, - bfd *output_bfd, - char **error_message ATTRIBUTE_UNUSED) +bfin_imm16_reloc (bfd *abfd, + arelent *reloc_entry, + asymbol *symbol, + PTR data, + asection *input_section, + bfd *output_bfd, + char **error_message ATTRIBUTE_UNUSED) { - bfd_vma relocation; + bfd_vma relocation, x; + bfd_size_type reloc_addr = reloc_entry->address; bfd_vma output_base = 0; + reloc_howto_type *howto = reloc_entry->howto; asection *output_section; bfd_boolean relocatable = (output_bfd != NULL); + /* Is the address of the relocation really within the section? */ + if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) + return bfd_reloc_outofrange; + if (bfd_is_und_section (symbol->section) && (symbol->flags & BSF_WEAK) == 0 && !relocatable) return bfd_reloc_undefined; - /* Is the address of the relocation really within the section? */ - if (reloc_entry->address > bfd_get_section_limit(abfd, input_section)) - return bfd_reloc_outofrange; - output_section = symbol->section->output_section; - relocation = symbol->value; + relocation = symbol->value; /* Convert input-section-relative symbol value to absolute. */ if (relocatable) @@ -336,7 +172,7 @@ bfin_push_reloc (bfd *abfd ATTRIBUTE_UNUSED, else output_base = output_section->vma; - if (!relocatable || !strcmp(symbol->name, symbol->section->name)) + if (!relocatable || !strcmp (symbol->name, symbol->section->name)) relocation += output_base + symbol->section->output_offset; /* Add in supplied addend. */ @@ -347,105 +183,6 @@ bfin_push_reloc (bfd *abfd ATTRIBUTE_UNUSED, reloc_entry->address += input_section->output_offset; reloc_entry->addend += symbol->section->output_offset; } - - /* Now that we have the value, push it. */ - reloc_stack_push (relocation); - - return bfd_reloc_ok; -} - -static bfd_reloc_status_type -bfin_oper_reloc (bfd *abfd ATTRIBUTE_UNUSED, - arelent *reloc_entry, - asymbol *symbol ATTRIBUTE_UNUSED, - PTR data ATTRIBUTE_UNUSED, - asection *input_section, - bfd *output_bfd, - char **error_message ATTRIBUTE_UNUSED) -{ - bfd_boolean relocatable = (output_bfd != NULL); - - /* Just call the operation based on the reloc_type. */ - reloc_stack_operate (reloc_entry->howto->type); - - if (relocatable) - reloc_entry->address += input_section->output_offset; - - return bfd_reloc_ok; -} - -static bfd_reloc_status_type -bfin_const_reloc (bfd *abfd ATTRIBUTE_UNUSED, - arelent *reloc_entry, - asymbol *symbol ATTRIBUTE_UNUSED, - PTR data ATTRIBUTE_UNUSED, - asection *input_section, - bfd *output_bfd, - char **error_message ATTRIBUTE_UNUSED) -{ - bfd_boolean relocatable = (output_bfd != NULL); - - /* Push the addend portion of the relocation. */ - reloc_stack_push (reloc_entry->addend); - - if (relocatable) - reloc_entry->address += input_section->output_offset; - - return bfd_reloc_ok; -} - -static bfd_reloc_status_type -bfin_imm16_reloc (bfd *abfd, - arelent *reloc_entry, - asymbol *symbol, - PTR data, - asection *input_section, - bfd *output_bfd, - char **error_message ATTRIBUTE_UNUSED) -{ - bfd_vma relocation, x; - bfd_size_type reloc_addr = reloc_entry->address; - bfd_vma output_base = 0; - reloc_howto_type *howto = reloc_entry->howto; - asection *output_section; - bfd_boolean relocatable = (output_bfd != NULL); - - /* Is the address of the relocation really within the section? */ - if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) - return bfd_reloc_outofrange; - - if (is_reloc_stack_empty ()) - { - if (bfd_is_und_section (symbol->section) - && (symbol->flags & BSF_WEAK) == 0 - && !relocatable) - return bfd_reloc_undefined; - - output_section = symbol->section->output_section; - relocation = symbol->value; - - /* Convert input-section-relative symbol value to absolute. */ - if (relocatable) - output_base = 0; - else - output_base = output_section->vma; - - if (!relocatable || !strcmp (symbol->name, symbol->section->name)) - relocation += output_base + symbol->section->output_offset; - - /* Add in supplied addend. */ - relocation += reloc_entry->addend; - } - else - { - relocation = reloc_stack_pop (); - } - - if (relocatable) - { - reloc_entry->address += input_section->output_offset; - reloc_entry->addend += symbol->section->output_offset; - } else { reloc_entry->addend = 0; @@ -455,15 +192,14 @@ bfin_imm16_reloc (bfd *abfd, { bfd_reloc_status_type flag; flag = bfd_check_overflow (howto->complain_on_overflow, - howto->bitsize, - howto->rightshift, - bfd_arch_bits_per_address(abfd), - relocation); + howto->bitsize, + howto->rightshift, + bfd_arch_bits_per_address(abfd), + relocation); if (flag != bfd_reloc_ok) - return flag; + return flag; } - /* Here the variable relocation holds the final address of the symbol we are relocating against, plus any addend. */ @@ -481,7 +217,7 @@ bfin_byte4_reloc (bfd *abfd, PTR data, asection *input_section, bfd *output_bfd, - char **error_message ATTRIBUTE_UNUSED) + char **error_message ATTRIBUTE_UNUSED) { bfd_vma relocation, x; bfd_size_type addr = reloc_entry->address; @@ -493,39 +229,31 @@ bfin_byte4_reloc (bfd *abfd, if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) return bfd_reloc_outofrange; - if (is_reloc_stack_empty ()) - { - if (bfd_is_und_section (symbol->section) - && (symbol->flags & BSF_WEAK) == 0 - && !relocatable) - return bfd_reloc_undefined; - - output_section = symbol->section->output_section; - relocation = symbol->value; - /* Convert input-section-relative symbol value to absolute. */ - if (relocatable) - output_base = 0; - else - output_base = output_section->vma; - - if ((symbol->name - && symbol->section->name - && !strcmp (symbol->name, symbol->section->name)) - || !relocatable) - { - relocation += output_base + symbol->section->output_offset; - } + if (bfd_is_und_section (symbol->section) + && (symbol->flags & BSF_WEAK) == 0 + && !relocatable) + return bfd_reloc_undefined; - relocation += reloc_entry->addend; - } + output_section = symbol->section->output_section; + relocation = symbol->value; + /* Convert input-section-relative symbol value to absolute. */ + if (relocatable) + output_base = 0; else + output_base = output_section->vma; + + if ((symbol->name + && symbol->section->name + && !strcmp (symbol->name, symbol->section->name)) + || !relocatable) { - relocation = reloc_stack_pop(); - relocation += reloc_entry->addend; + relocation += output_base + symbol->section->output_offset; } + relocation += reloc_entry->addend; + if (relocatable) - { + { /* This output will be relocatable ... like ld -r. */ reloc_entry->address += input_section->output_offset; reloc_entry->addend += symbol->section->output_offset; @@ -540,7 +268,7 @@ bfin_byte4_reloc (bfd *abfd, x = relocation & 0xFFFF0000; x >>=16; bfd_put_16 (abfd, x, (unsigned char *) data + addr + 2); - + x = relocation & 0x0000FFFF; bfd_put_16 (abfd, x, (unsigned char *) data + addr); return bfd_reloc_ok; @@ -568,42 +296,34 @@ bfin_bfd_reloc (bfd *abfd, if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) return bfd_reloc_outofrange; - if (is_reloc_stack_empty()) - { - if (bfd_is_und_section (symbol->section) - && (symbol->flags & BSF_WEAK) == 0 - && !relocatable) - return bfd_reloc_undefined; - - /* Get symbol value. (Common symbols are special.) */ - if (bfd_is_com_section (symbol->section)) - relocation = 0; - else - relocation = symbol->value; - - output_section = symbol->section->output_section; - - /* Convert input-section-relative symbol value to absolute. */ - if (relocatable) - output_base = 0; - else - output_base = output_section->vma; - - if (!relocatable || !strcmp (symbol->name, symbol->section->name)) - relocation += output_base + symbol->section->output_offset; - - if (!relocatable && !strcmp (symbol->name, symbol->section->name)) - { - /* Add in supplied addend. */ - relocation += reloc_entry->addend; - } - - } + if (bfd_is_und_section (symbol->section) + && (symbol->flags & BSF_WEAK) == 0 + && !relocatable) + return bfd_reloc_undefined; + + /* Get symbol value. (Common symbols are special.) */ + if (bfd_is_com_section (symbol->section)) + relocation = 0; else + relocation = symbol->value; + + output_section = symbol->section->output_section; + + /* Convert input-section-relative symbol value to absolute. */ + if (relocatable) + output_base = 0; + else + output_base = output_section->vma; + + if (!relocatable || !strcmp (symbol->name, symbol->section->name)) + relocation += output_base + symbol->section->output_offset; + + if (!relocatable && !strcmp (symbol->name, symbol->section->name)) { - relocation = reloc_stack_pop(); + /* Add in supplied addend. */ + relocation += reloc_entry->addend; } - + /* Here the variable relocation holds the final address of the symbol we are relocating against, plus any addend. */ @@ -625,15 +345,15 @@ bfin_bfd_reloc (bfd *abfd, { bfd_reloc_status_type status; - status = bfd_check_overflow (howto->complain_on_overflow, + status = bfd_check_overflow (howto->complain_on_overflow, howto->bitsize, - howto->rightshift, + howto->rightshift, bfd_arch_bits_per_address(abfd), relocation); if (status != bfd_reloc_ok) return status; } - + /* If rightshift is 1 and the number odd, return error. */ if (howto->rightshift && (relocation & 0x01)) { @@ -647,7 +367,7 @@ bfin_bfd_reloc (bfd *abfd, relocation <<= (bfd_vma) howto->bitpos; -#define DOIT(x) \ +#define DOIT(x) \ x = ( (x & ~howto->dst_mask) | (relocation & howto->dst_mask)) /* handle 8 and 16 bit relocations here. */ @@ -673,41 +393,9 @@ bfin_bfd_reloc (bfd *abfd, return bfd_reloc_other; } - return bfd_reloc_ok; + return bfd_reloc_ok; } -#if 0 -static bfd_reloc_status_type bfin_bfd_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); - -static bfd_reloc_status_type bfin_imm16_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); - -static bfd_reloc_status_type bfin_pcrel24_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); - -static bfd_reloc_status_type bfin_pltpc_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); - -static bfd_reloc_status_type bfin_const_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); - -static bfd_reloc_status_type bfin_oper_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); - -static bfd_reloc_status_type bfin_byte4_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); - -static bfd_reloc_status_type bfin_push_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); - -static bfd_boolean bfin_is_local_label_name - PARAMS ((bfd *, const char *)); -#endif -bfd_boolean bfd_bfin_elf32_create_embedded_relocs - PARAMS ((bfd *, struct bfd_link_info *, asection *, asection *, char **)); - - /* HOWTO Table for blackfin. Blackfin relocations are fairly complicated. Some of the salient features are @@ -786,7 +474,7 @@ static reloc_howto_type bfin_howto_table [] = 0, /* src_mask. */ 0x000003FF, /* dst_mask. */ TRUE), /* pcrel_offset. */ - + HOWTO (R_pcrel12_jump, /* type. */ 1, /* rightshift. */ /* the offset is actually 13 bit @@ -832,7 +520,7 @@ static reloc_howto_type bfin_howto_table [] = 0, /* src_mask. */ 0x0000FFFF, /* dst_mask. */ TRUE), /* pcrel_offset. */ - + HOWTO (R_huimm16, /* type. */ 16, /* rightshift. */ 1, /* size (0 = byte, 1 = short, 2 = long). */ @@ -1016,289 +704,6 @@ static reloc_howto_type bfin_howto_table [] = FALSE), /* pcrel_offset. */ }; -static reloc_howto_type bfin_areloc_howto_table [] = -{ - HOWTO (R_push, - 0, - 2, - 0, - FALSE, - 0, - complain_overflow_dont, - bfin_push_reloc, - "R_expst_push", - FALSE, - 0, - 0, - FALSE), - - HOWTO (R_const, - 0, - 2, - 0, - FALSE, - 0, - complain_overflow_dont, - bfin_const_reloc, - "R_expst_const", - FALSE, - 0, - 0, - FALSE), - - HOWTO (R_add, - 0, - 0, - 0, - FALSE, - 0, - complain_overflow_dont, - bfin_oper_reloc, - "R_expst_add", - FALSE, - 0, - 0, - FALSE), - - HOWTO (R_sub, - 0, - 0, - 0, - FALSE, - 0, - complain_overflow_dont, - bfin_oper_reloc, - "R_expst_sub", - FALSE, - 0, - 0, - FALSE), - - HOWTO (R_mult, - 0, - 0, - 0, - FALSE, - 0, - complain_overflow_dont, - bfin_oper_reloc, - "R_expst_mult", - FALSE, - 0, - 0, - FALSE), - - HOWTO (R_div, /* type. */ - 0, /* rightshift. */ - 0, /* size (0 = byte, 1 = short, 2 = long). */ - 0, /* bitsize. */ - FALSE, /* pc_relative. */ - 0, /* bitpos. */ - complain_overflow_dont, /* complain_on_overflow. */ - bfin_oper_reloc, /* special_function. */ - "R_expst_div", /* name. */ - FALSE, /* partial_inplace. */ - 0, /* src_mask. */ - 0, /* dst_mask. */ - FALSE), /* pcrel_offset. */ - - HOWTO (R_mod, /* type. */ - 0, /* rightshift. */ - 0, /* size (0 = byte, 1 = short, 2 = long). */ - 0, /* bitsize. */ - FALSE, /* pc_relative. */ - 0, /* bitpos. */ - complain_overflow_dont, /* complain_on_overflow. */ - bfin_oper_reloc, /* special_function. */ - "R_expst_mod", /* name. */ - FALSE, /* partial_inplace. */ - 0, /* src_mask. */ - 0, /* dst_mask. */ - FALSE), /* pcrel_offset. */ - - HOWTO (R_lshift, /* type. */ - 0, /* rightshift. */ - 0, /* size (0 = byte, 1 = short, 2 = long). */ - 0, /* bitsize. */ - FALSE, /* pc_relative. */ - 0, /* bitpos. */ - complain_overflow_dont, /* complain_on_overflow. */ - bfin_oper_reloc, /* special_function. */ - "R_expst_lshift", /* name. */ - FALSE, /* partial_inplace. */ - 0, /* src_mask. */ - 0, /* dst_mask. */ - FALSE), /* pcrel_offset. */ - - HOWTO (R_rshift, /* type. */ - 0, /* rightshift. */ - 0, /* size (0 = byte, 1 = short, 2 = long). */ - 0, /* bitsize. */ - FALSE, /* pc_relative. */ - 0, /* bitpos. */ - complain_overflow_dont, /* complain_on_overflow. */ - bfin_oper_reloc, /* special_function. */ - "R_expst_rshift", /* name. */ - FALSE, /* partial_inplace. */ - 0, /* src_mask. */ - 0, /* dst_mask. */ - FALSE), /* pcrel_offset. */ - - HOWTO (R_and, /* type. */ - 0, /* rightshift. */ - 0, /* size (0 = byte, 1 = short, 2 = long). */ - 0, /* bitsize. */ - FALSE, /* pc_relative. */ - 0, /* bitpos. */ - complain_overflow_dont, /* complain_on_overflow. */ - bfin_oper_reloc, /* special_function. */ - "R_expst_and", /* name. */ - FALSE, /* partial_inplace. */ - 0, /* src_mask. */ - 0, /* dst_mask. */ - FALSE), /* pcrel_offset. */ - - HOWTO (R_or, /* type. */ - 0, /* rightshift. */ - 0, /* size (0 = byte, 1 = short, 2 = long). */ - 0, /* bitsize. */ - FALSE, /* pc_relative. */ - 0, /* bitpos. */ - complain_overflow_dont, /* complain_on_overflow. */ - bfin_oper_reloc, /* special_function. */ - "R_expst_or", /* name. */ - FALSE, /* partial_inplace. */ - 0, /* src_mask. */ - 0, /* dst_mask. */ - FALSE), /* pcrel_offset. */ - - HOWTO (R_xor, /* type. */ - 0, /* rightshift. */ - 0, /* size (0 = byte, 1 = short, 2 = long). */ - 0, /* bitsize. */ - FALSE, /* pc_relative. */ - 0, /* bitpos. */ - complain_overflow_dont, /* complain_on_overflow. */ - bfin_oper_reloc, /* special_function. */ - "R_expst_xor", /* name. */ - FALSE, /* partial_inplace. */ - 0, /* src_mask. */ - 0, /* dst_mask. */ - FALSE), /* pcrel_offset. */ - - HOWTO (R_land, /* type. */ - 0, /* rightshift. */ - 0, /* size (0 = byte, 1 = short, 2 = long). */ - 0, /* bitsize. */ - FALSE, /* pc_relative. */ - 0, /* bitpos. */ - complain_overflow_dont, /* complain_on_overflow. */ - bfin_oper_reloc, /* special_function. */ - "R_expst_land", /* name. */ - FALSE, /* partial_inplace. */ - 0, /* src_mask. */ - 0, /* dst_mask. */ - FALSE), /* pcrel_offset. */ - - HOWTO (R_lor, /* type. */ - 0, /* rightshift. */ - 0, /* size (0 = byte, 1 = short, 2 = long). */ - 0, /* bitsize. */ - FALSE, /* pc_relative. */ - 0, /* bitpos. */ - complain_overflow_dont, /* complain_on_overflow. */ - bfin_oper_reloc, /* special_function. */ - "R_expst_lor", /* name. */ - FALSE, /* partial_inplace. */ - 0, /* src_mask. */ - 0, /* dst_mask. */ - FALSE), /* pcrel_offset. */ - - HOWTO (R_len, /* type. */ - 0, /* rightshift. */ - 0, /* size (0 = byte, 1 = short, 2 = long). */ - 0, /* bitsize. */ - FALSE, /* pc_relative. */ - 0, /* bitpos. */ - complain_overflow_dont, /* complain_on_overflow. */ - bfin_oper_reloc, /* special_function. */ - "R_expst_len", /* name. */ - FALSE, /* partial_inplace. */ - 0, /* src_mask. */ - 0, /* dst_mask. */ - FALSE), /* pcrel_offset. */ - - HOWTO (R_neg, /* type. */ - 0, /* rightshift. */ - 0, /* size (0 = byte, 1 = short, 2 = long). */ - 0, /* bitsize. */ - FALSE, /* pc_relative. */ - 0, /* bitpos. */ - complain_overflow_dont, /* complain_on_overflow. */ - bfin_oper_reloc, /* special_function. */ - "R_expst_neg", /* name. */ - FALSE, /* partial_inplace. */ - 0, /* src_mask. */ - 0, /* dst_mask. */ - FALSE), /* pcrel_offset. */ - - HOWTO (R_comp, /* type. */ - 0, /* rightshift. */ - 0, /* size (0 = byte, 1 = short, 2 = long). */ - 0, /* bitsize. */ - FALSE, /* pc_relative. */ - 0, /* bitpos. */ - complain_overflow_dont, /* complain_on_overflow. */ - bfin_oper_reloc, /* special_function. */ - "R_expst_comp", /* name. */ - FALSE, /* partial_inplace. */ - 0, /* src_mask. */ - 0, /* dst_mask. */ - FALSE), /* pcrel_offset. */ - - HOWTO (R_page, /* type. */ - 0, /* rightshift. */ - 0, /* size (0 = byte, 1 = short, 2 = long). */ - 0, /* bitsize. */ - FALSE, /* pc_relative. */ - 0, /* bitpos. */ - complain_overflow_dont, /* complain_on_overflow. */ - bfin_oper_reloc, /* special_function. */ - "R_expst_page", /* name. */ - FALSE, /* partial_inplace. */ - 0, /* src_mask. */ - 0, /* dst_mask. */ - FALSE), /* pcrel_offset. */ - - HOWTO (R_hwpage, /* type. */ - 0, /* rightshift. */ - 0, /* size (0 = byte, 1 = short, 2 = long). */ - 0, /* bitsize. */ - FALSE, /* pc_relative. */ - 0, /* bitpos. */ - complain_overflow_dont, /* complain_on_overflow. */ - bfin_oper_reloc, /* special_function. */ - "R_expst_hwpage", /* name. */ - FALSE, /* partial_inplace. */ - 0, /* src_mask. */ - 0, /* dst_mask. */ - FALSE), /* pcrel_offset. */ - - HOWTO (R_addr, /* type. */ - 0, /* rightshift. */ - 0, /* size (0 = byte, 1 = short, 2 = long). */ - 0, /* bitsize. */ - FALSE, /* pc_relative. */ - 0, /* bitpos. */ - complain_overflow_dont, /* complain_on_overflow. */ - bfin_oper_reloc, /* special_function. */ - "R_expst_addr", /* name. */ - FALSE, /* partial_inplace. */ - 0, /* src_mask. */ - 0, /* dst_mask. */ - FALSE), /* pcrel_offset. */ -}; - static reloc_howto_type bfin_gnuext_howto_table [] = { HOWTO (R_pltpc, /* type. */ @@ -1391,27 +796,6 @@ static const struct bfin_reloc_map bfin_reloc_map [] = { BFD_RELOC_BFIN_PLTPC, R_pltpc }, { BFD_RELOC_VTABLE_INHERIT, R_BFIN_GNU_VTINHERIT }, { BFD_RELOC_VTABLE_ENTRY, R_BFIN_GNU_VTENTRY }, - { BFD_ARELOC_BFIN_PUSH, R_push }, - { BFD_ARELOC_BFIN_CONST, R_const }, - { BFD_ARELOC_BFIN_ADD, R_add }, - { BFD_ARELOC_BFIN_SUB, R_sub }, - { BFD_ARELOC_BFIN_MULT, R_mult }, - { BFD_ARELOC_BFIN_DIV, R_div }, - { BFD_ARELOC_BFIN_MOD, R_mod }, - { BFD_ARELOC_BFIN_LSHIFT, R_lshift }, - { BFD_ARELOC_BFIN_RSHIFT, R_rshift }, - { BFD_ARELOC_BFIN_AND, R_and }, - { BFD_ARELOC_BFIN_OR, R_or }, - { BFD_ARELOC_BFIN_XOR, R_xor }, - { BFD_ARELOC_BFIN_LAND, R_land }, - { BFD_ARELOC_BFIN_LOR, R_lor }, - { BFD_ARELOC_BFIN_LEN, R_len }, - { BFD_ARELOC_BFIN_NEG, R_neg }, - { BFD_ARELOC_BFIN_COMP, R_comp }, - { BFD_ARELOC_BFIN_PAGE, R_page }, - { BFD_ARELOC_BFIN_HWPAGE, R_hwpage }, - { BFD_ARELOC_BFIN_ADDR, R_addr } - }; @@ -1427,9 +811,6 @@ bfin_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, if (r_type <= BFIN_RELOC_MAX) cache_ptr->howto = &bfin_howto_table [r_type]; - else if (r_type >= BFIN_ARELOC_MIN && r_type <= BFIN_ARELOC_MAX) - cache_ptr->howto = &bfin_areloc_howto_table [r_type - BFIN_ARELOC_MIN]; - else if (r_type >= BFIN_GNUEXT_RELOC_MIN && r_type <= BFIN_GNUEXT_RELOC_MAX) cache_ptr->howto = &bfin_gnuext_howto_table [r_type - BFIN_GNUEXT_RELOC_MIN]; @@ -1452,9 +833,6 @@ bfin_bfd_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED, if (r_type <= BFIN_RELOC_MAX && r_type > BFIN_RELOC_MIN) return &bfin_howto_table [r_type]; - else if (r_type >= BFIN_ARELOC_MIN && r_type <= BFIN_ARELOC_MAX) - return &bfin_areloc_howto_table [r_type - BFIN_ARELOC_MIN]; - else if (r_type >= BFIN_GNUEXT_RELOC_MIN && r_type <= BFIN_GNUEXT_RELOC_MAX) return &bfin_gnuext_howto_table [r_type - BFIN_GNUEXT_RELOC_MIN]; @@ -1469,9 +847,6 @@ bfin_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED, if (r_type <= BFIN_RELOC_MAX) return &bfin_howto_table [r_type]; - else if (r_type >= BFIN_ARELOC_MIN && r_type <= BFIN_ARELOC_MAX) - return &bfin_areloc_howto_table [r_type - BFIN_ARELOC_MIN]; - else if (r_type >= BFIN_GNUEXT_RELOC_MIN && r_type <= BFIN_GNUEXT_RELOC_MAX) return &bfin_gnuext_howto_table [r_type - BFIN_GNUEXT_RELOC_MIN]; @@ -1735,63 +1110,15 @@ bfin_relocate_section (bfd * output_bfd, } else { - h = sym_hashes[r_symndx - symtab_hdr->sh_info]; - - while (h->root.type == bfd_link_hash_indirect - || h->root.type == bfd_link_hash_warning) - h = (struct elf_link_hash_entry *) h->root.u.i.link; - - if (! - (!strcmp (h->root.root.string, ".__constant") - || !strcmp (h->root.root.string, ".__operator"))) - { - bfd_boolean warned; - h = NULL; - RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, - r_symndx, symtab_hdr, sym_hashes, - h, sec, relocation, - unresolved_reloc, warned); - - } + bfd_boolean warned; + h = NULL; + RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, + r_symndx, symtab_hdr, sym_hashes, + h, sec, relocation, + unresolved_reloc, warned); } address = rel->r_offset; - /* First, get stack relocs out of the way. */ - switch (r_type) - { - case R_push: - reloc_stack_push (relocation + rel->r_addend); - r = bfd_reloc_ok; - goto done_reloc; - case R_const: - reloc_stack_push (rel->r_addend); - r = bfd_reloc_ok; - goto done_reloc; - case R_add: - case R_sub: - case R_mult: - case R_div: - case R_mod: - case R_lshift: - case R_rshift: - case R_neg: - case R_and: - case R_or: - case R_xor: - case R_land: - case R_lor: - case R_comp: - case R_page: - case R_hwpage: - reloc_stack_operate (r_type); - r = bfd_reloc_ok; - goto done_reloc; - - default: - if (!is_reloc_stack_empty()) - relocation = reloc_stack_pop (); - break; - } /* Then, process normally. */ switch (r_type) @@ -1917,10 +1244,10 @@ bfin_relocate_section (bfd * output_bfd, /* We are getting reloc_entry->address 2 byte off from the start of instruction. Assuming absolute postion - of the reloc data. But, following code had been written assuming + of the reloc data. But, following code had been written assuming reloc address is starting at begining of instruction. - To compensate that I have increased the value of - relocation by 1 (effectively 2) and used the addr -2 instead of addr. */ + To compensate that I have increased the value of + relocation by 1 (effectively 2) and used the addr -2 instead of addr. */ relocation += 2; address -= 2; @@ -1947,7 +1274,6 @@ bfin_relocate_section (bfd * output_bfd, break; } - done_reloc: /* Dynamic relocs are not propagated for SEC_DEBUGGING sections because such sections are not SEC_ALLOC and thus ld.so will not process them. */ @@ -2668,6 +1994,9 @@ bfin_size_dynamic_sections (bfd * output_bfd ATTRIBUTE_UNUSED, after the add_symbols entry point has been called for all the objects, and before the final_link entry point is called. */ +bfd_boolean bfd_bfin_elf32_create_embedded_relocs + PARAMS ((bfd *, struct bfd_link_info *, asection *, asection *, char **)); + bfd_boolean bfd_bfin_elf32_create_embedded_relocs ( bfd *abfd, @@ -2787,7 +2116,7 @@ error_return: #define TARGET_LITTLE_SYM bfd_elf32_bfin_vec #define TARGET_LITTLE_NAME "elf32-bfin" #define ELF_ARCH bfd_arch_bfin -#define ELF_MACHINE_CODE EM_BLACKFIN +#define ELF_MACHINE_CODE EM_BLACKFIN #define ELF_MAXPAGESIZE 0x1000 #define elf_symbol_leading_char '_' |