diff options
Diffstat (limited to 'meta-xilinx/meta-microblaze/recipes-devtools/binutils/binutils/0018-Added-relocations-for-MB-X.patch')
| -rw-r--r-- | meta-xilinx/meta-microblaze/recipes-devtools/binutils/binutils/0018-Added-relocations-for-MB-X.patch | 300 |
1 files changed, 300 insertions, 0 deletions
diff --git a/meta-xilinx/meta-microblaze/recipes-devtools/binutils/binutils/0018-Added-relocations-for-MB-X.patch b/meta-xilinx/meta-microblaze/recipes-devtools/binutils/binutils/0018-Added-relocations-for-MB-X.patch new file mode 100644 index 000000000..0ed01b795 --- /dev/null +++ b/meta-xilinx/meta-microblaze/recipes-devtools/binutils/binutils/0018-Added-relocations-for-MB-X.patch @@ -0,0 +1,300 @@ +From 90d732c25cb6b55b33837e1d23d6850e4cbe10f7 Mon Sep 17 00:00:00 2001 +From: Nagaraju Mekala <nmekala@xilix.com> +Date: Tue, 11 Sep 2018 17:30:17 +0530 +Subject: [PATCH 18/40] Added relocations for MB-X + +--- + bfd/bfd-in2.h | 11 +++++--- + bfd/libbfd.h | 4 +-- + bfd/reloc.c | 26 +++++++++--------- + gas/config/tc-microblaze.c | 54 +++++++++++++++++++++++++++----------- + 4 files changed, 63 insertions(+), 32 deletions(-) + +diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h +index c55092c9ec7..88f89bcdbcd 100644 +--- a/bfd/bfd-in2.h ++++ b/bfd/bfd-in2.h +@@ -5434,15 +5434,20 @@ done here - only used for relaxing */ + BFD_RELOC_MICROBLAZE_32_NONE, + + /* This is a 64 bit reloc that stores the 32 bit pc relative +-value in two words (with an imm instruction). No relocation is ++value in two words (with an imml instruction). No relocation is + done here - only used for relaxing */ +- BFD_RELOC_MICROBLAZE_64_NONE, ++ BFD_RELOC_MICROBLAZE_64_PCREL, + +-/* This is a 64 bit reloc that stores the 32 bit pc relative ++/* This is a 64 bit reloc that stores the 32 bit relative + value in two words (with an imml instruction). No relocation is + done here - only used for relaxing */ + BFD_RELOC_MICROBLAZE_64, + ++/* This is a 64 bit reloc that stores the 32 bit pc relative ++value in two words (with an imm instruction). No relocation is ++done here - only used for relaxing */ ++ BFD_RELOC_MICROBLAZE_64_NONE, ++ + /* This is a 64 bit reloc that stores the 32 bit pc relative + value in two words (with an imm instruction). The relocation is + PC-relative GOT offset */ +diff --git a/bfd/libbfd.h b/bfd/libbfd.h +index b4aace6a70d..b4b7ee29a30 100644 +--- a/bfd/libbfd.h ++++ b/bfd/libbfd.h +@@ -2969,14 +2969,14 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@", + "BFD_RELOC_MICROBLAZE_32_SYM_OP_SYM", + "BFD_RELOC_MICROBLAZE_32_NONE", + "BFD_RELOC_MICROBLAZE_64_NONE", +- "BFD_RELOC_MICROBLAZE_64", + "BFD_RELOC_MICROBLAZE_64_GOTPC", +- "BFD_RELOC_MICROBLAZE_64_GPC", + "BFD_RELOC_MICROBLAZE_64_GOT", + "BFD_RELOC_MICROBLAZE_64_PLT", + "BFD_RELOC_MICROBLAZE_64_GOTOFF", + "BFD_RELOC_MICROBLAZE_32_GOTOFF", + "BFD_RELOC_MICROBLAZE_COPY", ++ "BFD_RELOC_MICROBLAZE_64", ++ "BFD_RELOC_MICROBLAZE_64_PCREL", + "BFD_RELOC_MICROBLAZE_64_TLS", + "BFD_RELOC_MICROBLAZE_64_TLSGD", + "BFD_RELOC_MICROBLAZE_64_TLSLD", +diff --git a/bfd/reloc.c b/bfd/reloc.c +index 0e8a24e9cb0..b5c97da3ffd 100644 +--- a/bfd/reloc.c ++++ b/bfd/reloc.c +@@ -6866,24 +6866,12 @@ ENUMDOC + done here - only used for relaxing + ENUM + BFD_RELOC_MICROBLAZE_64_NONE +-ENUMDOC +- This is a 32 bit reloc that stores the 32 bit pc relative +- value in two words (with an imml instruction). No relocation is +- done here - only used for relaxing +-ENUM +- BFD_RELOC_MICROBLAZE_64 + ENUMDOC + This is a 64 bit reloc that stores the 32 bit pc relative + value in two words (with an imm instruction). No relocation is + done here - only used for relaxing + ENUM + BFD_RELOC_MICROBLAZE_64_GOTPC +-ENUMDOC +- This is a 64 bit reloc that stores the 32 bit pc relative +- value in two words (with an imml instruction). No relocation is +- done here - only used for relaxing +-ENUM +- BFD_RELOC_MICROBLAZE_64_GPC + ENUMDOC + This is a 64 bit reloc that stores the 32 bit pc relative + value in two words (with an imm instruction). The relocation is +@@ -6969,6 +6957,20 @@ ENUMDOC + value in two words (with an imm instruction). The relocation is + relative offset from start of TEXT. + ++ This is a 64 bit reloc that stores 64-bit thread pointer relative offset ++ to two words (uses imml instruction). ++ENUM ++BFD_RELOC_MICROBLAZE_64, ++ENUMDOC ++ This is a 64 bit reloc that stores the 64 bit pc relative ++ value in two words (with an imml instruction). No relocation is ++ done here - only used for relaxing ++ENUM ++BFD_RELOC_MICROBLAZE_64_PCREL, ++ENUMDOC ++ This is a 32 bit reloc that stores the 32 bit pc relative ++ value in two words (with an imml instruction). No relocation is ++ done here - only used for relaxing + ENUM + BFD_RELOC_AARCH64_RELOC_START + ENUMDOC +diff --git a/gas/config/tc-microblaze.c b/gas/config/tc-microblaze.c +index b8250e4cded..9c8b6284fb1 100644 +--- a/gas/config/tc-microblaze.c ++++ b/gas/config/tc-microblaze.c +@@ -95,6 +95,7 @@ const char FLT_CHARS[] = "rRsSfFdDxXpP"; + #define TEXT_OFFSET 17 + #define TEXT_PC_OFFSET 18 + #define DEFINED_64_OFFSET 19 ++#define DEFINED_64_PC_OFFSET 20 + + /* Initialize the relax table. */ + const relax_typeS md_relax_table[] = +@@ -118,7 +119,8 @@ const relax_typeS md_relax_table[] = + { 0x7fffffff, 0x80000000, INST_WORD_SIZE*2, 0 }, /* 16: TLSTPREL_OFFSET. */ + { 0x7fffffff, 0x80000000, INST_WORD_SIZE*2, 0 }, /* 17: TEXT_OFFSET. */ + { 0x7fffffff, 0x80000000, INST_WORD_SIZE*2, 0 }, /* 18: TEXT_PC_OFFSET. */ +- { 0x7fffffffffffffff, 0x8000000000000000, INST_WORD_SIZE, 0 } /* 19: DEFINED_64_OFFSET. */ ++ { 0x7fffffffffffffff, 0x8000000000000000, INST_WORD_SIZE, 0 }, /* 19: DEFINED_64_OFFSET. */ ++ { 0x7fffffffffffffff, 0x8000000000000000, INST_WORD_SIZE*2, 0 } /* 20: DEFINED_64_PC_OFFSET. */ + }; + + static struct hash_control * opcode_hash_control; /* Opcode mnemonics. */ +@@ -1930,8 +1932,8 @@ md_assemble (char * str) + + if (exp.X_op != O_constant) + { +- char *opc = NULL; +- //char *opc = str_microblaze_64; ++ //char *opc = NULL; ++ char *opc = strdup(str_microblaze_64); + relax_substateT subtype; + + if (exp.X_md != 0) +@@ -2190,13 +2192,19 @@ md_convert_frag (bfd * abfd ATTRIBUTE_UNUSED, + fragP->fr_fix += INST_WORD_SIZE * 2; + fragP->fr_var = 0; + break; ++ case DEFINED_64_PC_OFFSET: ++ fix_new (fragP, fragP->fr_fix, INST_WORD_SIZE, fragP->fr_symbol, ++ fragP->fr_offset, TRUE, BFD_RELOC_MICROBLAZE_64_PCREL); ++ fragP->fr_fix += INST_WORD_SIZE * 2; ++ fragP->fr_var = 0; ++ break; + case DEFINED_64_OFFSET: + if (fragP->fr_symbol == GOT_symbol) + fix_new (fragP, fragP->fr_fix, INST_WORD_SIZE, fragP->fr_symbol, +- fragP->fr_offset, TRUE, BFD_RELOC_MICROBLAZE_64_GPC); ++ fragP->fr_offset, FALSE, BFD_RELOC_MICROBLAZE_64_GPC); + else + fix_new (fragP, fragP->fr_fix, INST_WORD_SIZE, fragP->fr_symbol, +- fragP->fr_offset, TRUE, BFD_RELOC_MICROBLAZE_64); ++ fragP->fr_offset, FALSE, BFD_RELOC_MICROBLAZE_64); + fragP->fr_fix += INST_WORD_SIZE * 2; + fragP->fr_var = 0; + break; +@@ -2206,7 +2214,7 @@ md_convert_frag (bfd * abfd ATTRIBUTE_UNUSED, + fragP->fr_offset, TRUE, BFD_RELOC_MICROBLAZE_64_GOTPC); + else + fix_new (fragP, fragP->fr_fix, INST_WORD_SIZE * 2, fragP->fr_symbol, +- fragP->fr_offset, TRUE, BFD_RELOC_64); ++ fragP->fr_offset, FALSE, BFD_RELOC_64); + fragP->fr_fix += INST_WORD_SIZE * 2; + fragP->fr_var = 0; + break; +@@ -2425,14 +2433,17 @@ md_apply_fix (fixS * fixP, + } + } + break; ++ + case BFD_RELOC_64_PCREL: + case BFD_RELOC_64: + case BFD_RELOC_MICROBLAZE_64_TEXTREL: + case BFD_RELOC_MICROBLAZE_64: ++ case BFD_RELOC_MICROBLAZE_64_PCREL: + /* Add an imm instruction. First save the current instruction. */ + for (i = 0; i < INST_WORD_SIZE; i++) + buf[i + INST_WORD_SIZE] = buf[i]; +- if (fixP->fx_r_type == BFD_RELOC_MICROBLAZE_64) ++ if (fixP->fx_r_type == BFD_RELOC_MICROBLAZE_64 ++ || fixP->fx_r_type == BFD_RELOC_MICROBLAZE_64_PCREL) + { + /* Generate the imm instruction. */ + opcode1 = (struct op_code_struct *) hash_find (opcode_hash_control, "imml"); +@@ -2445,6 +2456,10 @@ md_apply_fix (fixS * fixP, + inst1 = opcode1->bit_sequence; + if (fixP->fx_addsy == NULL || S_IS_DEFINED (fixP->fx_addsy)) + inst1 |= ((val & 0xFFFFFFFFFFFF0000L) >> 16) & IMML_MASK; ++ if (fixP->fx_r_type == BFD_RELOC_MICROBLAZE_64) ++ fixP->fx_r_type = BFD_RELOC_64; ++ if (fixP->fx_r_type == BFD_RELOC_MICROBLAZE_64_PCREL) ++ fixP->fx_r_type = BFD_RELOC_64_PCREL; + } + else + { +@@ -2455,7 +2470,7 @@ md_apply_fix (fixS * fixP, + as_bad (_("unknown opcode \"%s\""), "imm"); + return; + } +- ++ + inst1 = opcode1->bit_sequence; + if (fixP->fx_addsy == NULL || S_IS_DEFINED (fixP->fx_addsy)) + inst1 |= ((val & 0xFFFF0000) >> 16) & IMM_MASK; +@@ -2502,7 +2517,7 @@ md_apply_fix (fixS * fixP, + opcode1 = (struct op_code_struct *) hash_find (opcode_hash_control, "imm"); + if (opcode1 == NULL) + { +- if (fixP->fx_r_type == BFD_RELOC_MICROBLAZE_64_GPC) ++ if (fixP->fx_r_type == BFD_RELOC_MICROBLAZE_64_GPC) + as_bad (_("unknown opcode \"%s\""), "imml"); + else + as_bad (_("unknown opcode \"%s\""), "imm"); +@@ -2527,7 +2542,7 @@ md_apply_fix (fixS * fixP, + { + /* This fixup has been resolved. Create a reloc in case the linker + moves code around due to relaxing. */ +- if (fixP->fx_r_type == BFD_RELOC_MICROBLAZE_64) ++ if (fixP->fx_r_type == BFD_RELOC_64_PCREL) + fixP->fx_r_type = BFD_RELOC_MICROBLAZE_64_NONE; + else if (fixP->fx_r_type == BFD_RELOC_32) + fixP->fx_r_type = BFD_RELOC_MICROBLAZE_32_NONE; +@@ -2579,21 +2594,21 @@ md_estimate_size_before_relax (fragS * fragP, + if(streq (fragP->fr_opcode, str_microblaze_64)) + { + /* Used as an absolute value. */ +- fragP->fr_subtype = DEFINED_64_OFFSET; ++ fragP->fr_subtype = DEFINED_64_PC_OFFSET; + /* Variable part does not change. */ +- fragP->fr_var = INST_WORD_SIZE; ++ fragP->fr_var = INST_WORD_SIZE*2; + } + else + { + fragP->fr_subtype = DEFINED_PC_OFFSET; +- /* Don't know now whether we need an imm instruction. */ ++ /* Don't know now whether we need an imm instruction. */ + fragP->fr_var = INST_WORD_SIZE; + } + } + else + { + fragP->fr_subtype = DEFINED_PC_OFFSET; +- /* Don't know now whether we need an imm instruction. */ ++ /* Don't know now whether we need an imm instruction. */ + fragP->fr_var = INST_WORD_SIZE; + } + } +@@ -2626,6 +2641,13 @@ md_estimate_size_before_relax (fragS * fragP, + /* Variable part does not change. */ + fragP->fr_var = INST_WORD_SIZE*2; + } ++ else if (streq (fragP->fr_opcode, str_microblaze_64)) ++ { ++ /* Used as an absolute value. */ ++ fragP->fr_subtype = DEFINED_64_OFFSET; ++ /* Variable part does not change. */ ++ fragP->fr_var = INST_WORD_SIZE; ++ } + else if (streq (fragP->fr_opcode, str_microblaze_ro_anchor)) + { + /* It is accessed using the small data read only anchor. */ +@@ -2700,6 +2722,7 @@ md_estimate_size_before_relax (fragS * fragP, + case TLSTPREL_OFFSET: + case TLSDTPREL_OFFSET: + case DEFINED_64_OFFSET: ++ case DEFINED_64_PC_OFFSET: + fragP->fr_var = INST_WORD_SIZE*2; + break; + case DEFINED_RO_SEGMENT: +@@ -2753,7 +2776,7 @@ md_pcrel_from_section (fixS * fixp, segT sec ATTRIBUTE_UNUSED) + else + { + /* The case where we are going to resolve things... */ +- if (fixp->fx_r_type == BFD_RELOC_64_PCREL || fixp->fx_r_type == BFD_RELOC_MICROBLAZE_64) ++ if (fixp->fx_r_type == BFD_RELOC_64_PCREL || fixp->fx_r_type == BFD_RELOC_MICROBLAZE_64_PCREL) + return fixp->fx_where + fixp->fx_frag->fr_address + INST_WORD_SIZE; + else + return fixp->fx_where + fixp->fx_frag->fr_address; +@@ -2788,6 +2811,7 @@ tc_gen_reloc (asection * section ATTRIBUTE_UNUSED, fixS * fixp) + case BFD_RELOC_MICROBLAZE_64_GOTPC: + case BFD_RELOC_MICROBLAZE_64_GPC: + case BFD_RELOC_MICROBLAZE_64: ++ case BFD_RELOC_MICROBLAZE_64_PCREL: + case BFD_RELOC_MICROBLAZE_64_GOT: + case BFD_RELOC_MICROBLAZE_64_PLT: + case BFD_RELOC_MICROBLAZE_64_GOTOFF: +-- +2.17.1 + |