diff options
Diffstat (limited to 'meta-xilinx/meta-xilinx-bsp/recipes-microblaze/gdb/gdb/0016-MB-X-initial-commit.patch')
| -rw-r--r-- | meta-xilinx/meta-xilinx-bsp/recipes-microblaze/gdb/gdb/0016-MB-X-initial-commit.patch | 355 |
1 files changed, 355 insertions, 0 deletions
diff --git a/meta-xilinx/meta-xilinx-bsp/recipes-microblaze/gdb/gdb/0016-MB-X-initial-commit.patch b/meta-xilinx/meta-xilinx-bsp/recipes-microblaze/gdb/gdb/0016-MB-X-initial-commit.patch new file mode 100644 index 000000000..d44414436 --- /dev/null +++ b/meta-xilinx/meta-xilinx-bsp/recipes-microblaze/gdb/gdb/0016-MB-X-initial-commit.patch @@ -0,0 +1,355 @@ +From 92419bfa472c29b96ff85a9769b9301539867364 Mon Sep 17 00:00:00 2001 +From: Nagaraju Mekala <nmekala@xilix.com> +Date: Sun, 30 Sep 2018 16:31:26 +0530 +Subject: [PATCH 16/43] MB-X initial commit code cleanup is needed. + +--- + bfd/bfd-in2.h | 10 +++ + bfd/elf32-microblaze.c | 65 +++++++++++++++- + bfd/elf64-microblaze.c | 61 ++++++++++++++- + bfd/libbfd.h | 2 + + bfd/reloc.c | 12 +++ + include/elf/microblaze.h | 2 + + opcodes/microblaze-opc.h | 4 +- + opcodes/microblaze-opcm.h | 4 +- + 9 files changed, 277 insertions(+), 35 deletions(-) + +diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h +index 721531886a..4f777059d8 100644 +--- a/bfd/bfd-in2.h ++++ b/bfd/bfd-in2.h +@@ -5876,11 +5876,21 @@ done here - only used for relaxing */ + * +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 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). The relocation is + PC-relative GOT offset */ + BFD_RELOC_MICROBLAZE_64_GOTPC, + ++/* This is a 64 bit reloc that stores the 32 bit pc relative ++value in two words (with an imml instruction). The relocation is ++PC-relative GOT offset */ ++ BFD_RELOC_MICROBLAZE_64_GPC, ++ + /* This is a 64 bit reloc that stores the 32 bit pc relative + value in two words (with an imm instruction). The relocation is + GOT offset */ +diff --git a/bfd/elf32-microblaze.c b/bfd/elf32-microblaze.c +index d001437b3f..035e71f311 100644 +--- a/bfd/elf32-microblaze.c ++++ b/bfd/elf32-microblaze.c +@@ -116,6 +116,20 @@ static reloc_howto_type microblaze_elf_howto_raw[] = + 0x0000ffff, /* Dest Mask. */ + TRUE), /* PC relative offset? */ + ++ HOWTO (R_MICROBLAZE_IMML_64, /* Type. */ ++ 0, /* Rightshift. */ ++ 2, /* Size (0 = byte, 1 = short, 2 = long). */ ++ 16, /* Bitsize. */ ++ TRUE, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_dont, /* Complain on overflow. */ ++ bfd_elf_generic_reloc,/* Special Function. */ ++ "R_MICROBLAZE_IMML_64", /* Name. */ ++ FALSE, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0x0000ffff, /* Dest Mask. */ ++ FALSE), /* PC relative offset? */ ++ + /* A 64 bit relocation. Table entry not really used. */ + HOWTO (R_MICROBLAZE_64, /* Type. */ + 0, /* Rightshift. */ +@@ -280,6 +294,21 @@ static reloc_howto_type microblaze_elf_howto_raw[] = + 0x0000ffff, /* Dest Mask. */ + TRUE), /* PC relative offset? */ + ++ /* A 64 bit GOTPC relocation. Table-entry not really used. */ ++ HOWTO (R_MICROBLAZE_GPC_64, /* Type. */ ++ 0, /* Rightshift. */ ++ 2, /* Size (0 = byte, 1 = short, 2 = long). */ ++ 16, /* Bitsize. */ ++ TRUE, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_dont, /* Complain on overflow. */ ++ bfd_elf_generic_reloc, /* Special Function. */ ++ "R_MICROBLAZE_GPC_64", /* Name. */ ++ FALSE, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0x0000ffff, /* Dest Mask. */ ++ TRUE), /* PC relative offset? */ ++ + /* A 64 bit GOT relocation. Table-entry not really used. */ + HOWTO (R_MICROBLAZE_GOT_64, /* Type. */ + 0, /* Rightshift. */ +@@ -619,9 +648,15 @@ microblaze_elf_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED, + case BFD_RELOC_VTABLE_ENTRY: + microblaze_reloc = R_MICROBLAZE_GNU_VTENTRY; + break; ++ case BFD_RELOC_MICROBLAZE_64: ++ microblaze_reloc = R_MICROBLAZE_IMML_64; ++ break; + case BFD_RELOC_MICROBLAZE_64_GOTPC: + microblaze_reloc = R_MICROBLAZE_GOTPC_64; + break; ++ case BFD_RELOC_MICROBLAZE_64_GPC: ++ microblaze_reloc = R_MICROBLAZE_GPC_64; ++ break; + case BFD_RELOC_MICROBLAZE_64_GOT: + microblaze_reloc = R_MICROBLAZE_GOT_64; + break; +@@ -1467,7 +1502,7 @@ microblaze_elf_relocate_section (bfd *output_bfd, + if (r_symndx == STN_UNDEF || (input_section->flags & SEC_ALLOC) == 0) + { + relocation += addend; +- if (r_type == R_MICROBLAZE_32) ++ if (r_type == R_MICROBLAZE_32)// || r_type == R_MICROBLAZE_IMML_64) + bfd_put_32 (input_bfd, relocation, contents + offset); + else + { +@@ -1933,6 +1968,28 @@ microblaze_elf_relax_section (bfd *abfd, + irel->r_addend -= calc_fixup (irel->r_addend, 0, sec); + } + break; ++ case R_MICROBLAZE_IMML_64: ++ { ++ /* This was a PC-relative instruction that was ++ completely resolved. */ ++ int sfix, efix; ++ unsigned int val; ++ bfd_vma target_address; ++ target_address = irel->r_addend + irel->r_offset; ++ sfix = calc_fixup (irel->r_offset, 0, sec); ++ efix = calc_fixup (target_address, 0, sec); ++ ++ /* Validate the in-band val. */ ++ val = bfd_get_32 (abfd, contents + irel->r_offset); ++ if (val != irel->r_addend && ELF64_R_TYPE (irel->r_info) == R_MICROBLAZE_32_NONE) { ++ fprintf(stderr, "%d: CORRUPT relax reloc %x %lx\n", __LINE__, val, irel->r_addend); ++ } ++ irel->r_addend -= (efix - sfix); ++ /* Should use HOWTO. */ ++ microblaze_bfd_write_imm_value_64 (abfd, contents + irel->r_offset, ++ irel->r_addend); ++ } ++ break; + case R_MICROBLAZE_NONE: + case R_MICROBLAZE_32_NONE: + { +@@ -2037,9 +2094,9 @@ microblaze_elf_relax_section (bfd *abfd, + microblaze_bfd_write_imm_value_32 (abfd, ocontents + irelscan->r_offset, + irelscan->r_addend); + } +- if (ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32) +- { +- isym = isymbuf + ELF32_R_SYM (irelscan->r_info); ++ if (ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32)// || ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_IMML_64) ++ { ++ isym = isymbuf + ELF32_R_SYM (irelscan->r_info); + + /* Look at the reloc only if the value has been resolved. */ + if (isym->st_shndx == shndx +diff --git a/bfd/elf64-microblaze.c b/bfd/elf64-microblaze.c +index 0f43ae6ea8..56a45f2a05 100644 +--- a/bfd/elf64-microblaze.c ++++ b/bfd/elf64-microblaze.c +@@ -116,6 +116,21 @@ static reloc_howto_type microblaze_elf_howto_raw[] = + 0x0000ffff, /* Dest Mask. */ + TRUE), /* PC relative offset? */ + ++ /* A 64 bit relocation. Table entry not really used. */ ++ HOWTO (R_MICROBLAZE_IMML_64, /* Type. */ ++ 0, /* Rightshift. */ ++ 4, /* Size (0 = byte, 1 = short, 2 = long). */ ++ 64, /* Bitsize. */ ++ TRUE, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_dont, /* Complain on overflow. */ ++ bfd_elf_generic_reloc,/* Special Function. */ ++ "R_MICROBLAZE_IMML_64", /* Name. */ ++ FALSE, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0x0000ffff, /* Dest Mask. */ ++ TRUE), /* PC relative offset? */ ++ + /* A 64 bit relocation. Table entry not really used. */ + HOWTO (R_MICROBLAZE_64, /* Type. */ + 0, /* Rightshift. */ +@@ -265,6 +280,21 @@ static reloc_howto_type microblaze_elf_howto_raw[] = + 0x0000ffff, /* Dest Mask. */ + TRUE), /* PC relative offset? */ + ++ /* A 64 bit GOTPC relocation. Table-entry not really used. */ ++ HOWTO (R_MICROBLAZE_GPC_64, /* Type. */ ++ 0, /* Rightshift. */ ++ 2, /* Size (0 = byte, 1 = short, 2 = long). */ ++ 16, /* Bitsize. */ ++ TRUE, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_dont, /* Complain on overflow. */ ++ bfd_elf_generic_reloc, /* Special Function. */ ++ "R_MICROBLAZE_GPC_64", /* Name. */ ++ FALSE, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0x0000ffff, /* Dest Mask. */ ++ TRUE), /* PC relative offset? */ ++ + /* A 64 bit GOT relocation. Table-entry not really used. */ + HOWTO (R_MICROBLAZE_GOT_64, /* Type. */ + 0, /* Rightshift. */ +@@ -589,9 +619,15 @@ microblaze_elf_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED, + case BFD_RELOC_VTABLE_ENTRY: + microblaze_reloc = R_MICROBLAZE_GNU_VTENTRY; + break; ++ case BFD_RELOC_MICROBLAZE_64: ++ microblaze_reloc = R_MICROBLAZE_IMML_64; ++ break; + case BFD_RELOC_MICROBLAZE_64_GOTPC: + microblaze_reloc = R_MICROBLAZE_GOTPC_64; + break; ++ case BFD_RELOC_MICROBLAZE_64_GPC: ++ microblaze_reloc = R_MICROBLAZE_GPC_64; ++ break; + case BFD_RELOC_MICROBLAZE_64_GOT: + microblaze_reloc = R_MICROBLAZE_GOT_64; + break; +@@ -1161,6 +1197,7 @@ microblaze_elf_relocate_section (bfd *output_bfd, + break; /* Do nothing. */ + + case (int) R_MICROBLAZE_GOTPC_64: ++ case (int) R_MICROBLAZE_GPC_64: + relocation = htab->sgotplt->output_section->vma + + htab->sgotplt->output_offset; + relocation -= (input_section->output_section->vma +@@ -1431,7 +1468,7 @@ microblaze_elf_relocate_section (bfd *output_bfd, + if (r_symndx == STN_UNDEF || (input_section->flags & SEC_ALLOC) == 0) + { + relocation += addend; +- if (r_type == R_MICROBLAZE_32) ++ if (r_type == R_MICROBLAZE_32)// || r_type == R_MICROBLAZE_IMML_64) + bfd_put_32 (input_bfd, relocation, contents + offset); + else + { +@@ -1876,6 +1913,28 @@ microblaze_elf_relax_section (bfd *abfd, + irel->r_addend -= calc_fixup (irel->r_addend, 0, sec); + } + break; ++ case R_MICROBLAZE_IMML_64: ++ { ++ /* This was a PC-relative instruction that was ++ completely resolved. */ ++ int sfix, efix; ++ unsigned int val; ++ bfd_vma target_address; ++ target_address = irel->r_addend + irel->r_offset; ++ sfix = calc_fixup (irel->r_offset, 0, sec); ++ efix = calc_fixup (target_address, 0, sec); ++ ++ /* Validate the in-band val. */ ++ val = bfd_get_32 (abfd, contents + irel->r_offset); ++ if (val != irel->r_addend && ELF64_R_TYPE (irel->r_info) == R_MICROBLAZE_32_NONE) { ++ fprintf(stderr, "%d: CORRUPT relax reloc %x %lx\n", __LINE__, val, irel->r_addend); ++ } ++ irel->r_addend -= (efix - sfix); ++ /* Should use HOWTO. */ ++ microblaze_bfd_write_imm_value_64 (abfd, contents + irel->r_offset, ++ irel->r_addend); ++ } ++ break; + case R_MICROBLAZE_NONE: + case R_MICROBLAZE_32_NONE: + { +diff --git a/bfd/libbfd.h b/bfd/libbfd.h +index feb9fada1e..450653f2d8 100644 +--- a/bfd/libbfd.h ++++ b/bfd/libbfd.h +@@ -2903,7 +2903,9 @@ 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", +diff --git a/bfd/reloc.c b/bfd/reloc.c +index 87753ae4f0..ccf29f54cf 100644 +--- a/bfd/reloc.c ++++ b/bfd/reloc.c +@@ -6803,12 +6803,24 @@ 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 +diff --git a/include/elf/microblaze.h b/include/elf/microblaze.h +index 6ee0966444..16b2736577 100644 +--- a/include/elf/microblaze.h ++++ b/include/elf/microblaze.h +@@ -62,6 +62,8 @@ START_RELOC_NUMBERS (elf_microblaze_reloc_type) + RELOC_NUMBER (R_MICROBLAZE_TEXTREL_64, 31) /* TEXT Entry offset 64-bit. */ + RELOC_NUMBER (R_MICROBLAZE_TEXTREL_32_LO, 32) /* TEXT Entry offset 32-bit. */ + RELOC_NUMBER (R_MICROBLAZE_32_NONE, 33) ++ RELOC_NUMBER (R_MICROBLAZE_IMML_64, 34) ++ RELOC_NUMBER (R_MICROBLAZE_GPC_64, 35) /* GOT entry offset. */ + + END_RELOC_NUMBERS (R_MICROBLAZE_max) + +diff --git a/opcodes/microblaze-opc.h b/opcodes/microblaze-opc.h +index 985834b8df..9b6264b61c 100644 +--- a/opcodes/microblaze-opc.h ++++ b/opcodes/microblaze-opc.h +@@ -538,8 +538,8 @@ struct op_code_struct + {"llr", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xC8000300, OPCODE_MASK_H4, llr, memory_load_inst }, + {"sl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xD8000100, OPCODE_MASK_H4, sl, memory_store_inst }, + {"slr", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xD8000300, OPCODE_MASK_H4, slr, memory_store_inst }, +- {"lli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xE8000000, OPCODE_MASK_H, invalid_inst, memory_load_inst }, /* Identical to 32-bit */ +- {"sli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xF8000000, OPCODE_MASK_H, invalid_inst, memory_store_inst }, /* Identical to 32-bit */ ++ {"lli", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xEC000000, OPCODE_MASK_H, invalid_inst, memory_load_inst }, /* Identical to 32-bit */ ++ {"sli", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xFC000000, OPCODE_MASK_H, invalid_inst, memory_store_inst }, /* Identical to 32-bit */ + {"lla", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x30000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* lla translates to addlik */ + {"dadd", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000400, OPCODE_MASK_H4, dadd, arithmetic_inst }, + {"drsub", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000480, OPCODE_MASK_H4, drsub, arithmetic_inst }, +diff --git a/opcodes/microblaze-opcm.h b/opcodes/microblaze-opcm.h +index 076dbcd0b3..5f2e190d23 100644 +--- a/opcodes/microblaze-opcm.h ++++ b/opcodes/microblaze-opcm.h +@@ -40,8 +40,8 @@ enum microblaze_instr + imm, rtsd, rtid, rtbd, rted, bri, brid, brlid, brai, braid, bralid, + brki, beqi, beqid, bnei, bneid, blti, bltid, blei, bleid, bgti, + bgtid, bgei, bgeid, lbu, lbuea, lbur, lhu, lhuea, lhur, lw, lwea, lwr, lwx, +- sb, sbea, sbr, sh, shea, shr, sw, swea, swr, swx, lbui, lhui, lwi, +- sbi, shi, swi, msrset, msrclr, tuqula, fadd, frsub, fmul, fdiv, ++ sb, sbea, sbr, sh, shea, shr, sw, swea, swr, swx, lbui, lhui, lwi, lli, ++ sbi, shi, sli, swi, msrset, msrclr, tuqula, fadd, frsub, fmul, fdiv, + fcmp_lt, fcmp_eq, fcmp_le, fcmp_gt, fcmp_ne, fcmp_ge, fcmp_un, flt, + fint, fsqrt, + tget, tcget, tnget, tncget, tput, tcput, tnput, tncput, +-- +2.17.1 + |