From 1d65abb5e2cb1624b358dda27a53a070bec685cc Mon Sep 17 00:00:00 2001 From: Andrew Waterman Date: Sun, 18 Dec 2016 22:53:47 -0800 Subject: [PATCH] Formatting changes for RISC-V This is a mixed bag of format changes: * Replacing constants with macros (0xffffffff with MINUS_ONE, for example). There's one technically functional change in here (some MINUS_ONEs are changed to 0), but it only changes the behavior of an otherwise-unused field. * Using 0 instead of 0x0 in the relocation table. * There were some missing spaces before parens, the spaces have been added. * A handful of comments are now more descriptive. * A bunch of whitespace-only changes, mostly alignment and brace newlines. bfd/ * elfnn-riscv.c: Formatting and comment fixes throughout. * elfxx-riscv.c: Likewise. (howto_table): Change the src_mask field from MINUS_ONE to 0 for R_RISCV_TLS_DTPMOD32, R_RISCV_TLS_DTPMOD64, R_RISCV_TLS_DTPREL32, R_RISCV_TLS_DTPREL64, R_RISCV_TLS_TPREL32, R_RISCV_TLS_TPREL64. opcodes/ * riscv-opc.c: Formatting fixes. gas/ * config/tc-riscv.c: Formatting and comment fixes throughout. --- bfd/ChangeLog | 8 +++++++ bfd/elfnn-riscv.c | 4 ++-- bfd/elfxx-riscv.c | 38 +++++++++++++----------------- gas/ChangeLog | 4 ++++ gas/config/tc-riscv.c | 55 ++++++++++++++++++++++--------------------- opcodes/ChangeLog | 4 ++++ opcodes/riscv-opc.c | 14 +++++------ 7 files changed, 68 insertions(+), 59 deletions(-) diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 8e0269c9a9..500003dff5 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,11 @@ +2016-12-20 Andrew Waterman + + * elfnn-riscv.c: Formatting and comment fixes throughout. + * elfxx-riscv.c: Likewise. + (howto_table): Change the src_mask field from MINUS_ONE to 0 for + R_RISCV_TLS_DTPMOD32, R_RISCV_TLS_DTPMOD64, R_RISCV_TLS_DTPREL32, + R_RISCV_TLS_DTPREL64, R_RISCV_TLS_TPREL32, R_RISCV_TLS_TPREL64. + 2016-12-20 Palmer Dabbelt * elfnn-riscv.c (_bfd_riscv_elf_merge_private_bfd_data): Improve diff --git a/bfd/elfnn-riscv.c b/bfd/elfnn-riscv.c index 1ab97b9b72..f9b3e2ceee 100644 --- a/bfd/elfnn-riscv.c +++ b/bfd/elfnn-riscv.c @@ -220,7 +220,7 @@ riscv_make_plt_entry (bfd_vma got, bfd_vma addr, uint32_t *entry) nop */ entry[0] = RISCV_UTYPE (AUIPC, X_T3, RISCV_PCREL_HIGH_PART (got, addr)); - entry[1] = RISCV_ITYPE (LREG, X_T3, X_T3, RISCV_PCREL_LOW_PART(got, addr)); + entry[1] = RISCV_ITYPE (LREG, X_T3, X_T3, RISCV_PCREL_LOW_PART (got, addr)); entry[2] = RISCV_ITYPE (JALR, X_T1, X_T3, 0); entry[3] = RISCV_NOP; } @@ -2329,7 +2329,7 @@ riscv_elf_finish_dynamic_symbol (bfd *output_bfd, } if (h->got.offset != (bfd_vma) -1 - && !(riscv_elf_hash_entry(h)->tls_type & (GOT_TLS_GD | GOT_TLS_IE))) + && !(riscv_elf_hash_entry (h)->tls_type & (GOT_TLS_GD | GOT_TLS_IE))) { asection *sgot; asection *srela; diff --git a/bfd/elfxx-riscv.c b/bfd/elfxx-riscv.c index c1f28f747f..0fb250d0f5 100644 --- a/bfd/elfxx-riscv.c +++ b/bfd/elfxx-riscv.c @@ -63,7 +63,7 @@ static reloc_howto_type howto_table[] = "R_RISCV_32", /* name */ FALSE, /* partial_inplace */ 0, /* src_mask */ - 0xffffffff, /* dst_mask */ + MINUS_ONE, /* dst_mask */ FALSE), /* pcrel_offset */ /* 64 bit relocation. */ @@ -93,7 +93,7 @@ static reloc_howto_type howto_table[] = "R_RISCV_RELATIVE", /* name */ FALSE, /* partial_inplace */ 0, /* src_mask */ - 0xffffffff, /* dst_mask */ + MINUS_ONE, /* dst_mask */ FALSE), /* pcrel_offset */ HOWTO (R_RISCV_COPY, /* type */ @@ -106,8 +106,8 @@ static reloc_howto_type howto_table[] = bfd_elf_generic_reloc, /* special_function */ "R_RISCV_COPY", /* name */ FALSE, /* partial_inplace */ - 0x0, /* src_mask */ - 0x0, /* dst_mask */ + 0, /* src_mask */ + 0, /* dst_mask */ FALSE), /* pcrel_offset */ HOWTO (R_RISCV_JUMP_SLOT, /* type */ @@ -120,8 +120,8 @@ static reloc_howto_type howto_table[] = bfd_elf_generic_reloc, /* special_function */ "R_RISCV_JUMP_SLOT", /* name */ FALSE, /* partial_inplace */ - 0x0, /* src_mask */ - 0x0, /* dst_mask */ + 0, /* src_mask */ + 0, /* dst_mask */ FALSE), /* pcrel_offset */ /* Dynamic TLS relocations. */ @@ -135,7 +135,7 @@ static reloc_howto_type howto_table[] = bfd_elf_generic_reloc, /* special_function */ "R_RISCV_TLS_DTPMOD32", /* name */ FALSE, /* partial_inplace */ - MINUS_ONE, /* src_mask */ + 0, /* src_mask */ MINUS_ONE, /* dst_mask */ FALSE), /* pcrel_offset */ @@ -149,7 +149,7 @@ static reloc_howto_type howto_table[] = bfd_elf_generic_reloc, /* special_function */ "R_RISCV_TLS_DTPMOD64", /* name */ FALSE, /* partial_inplace */ - MINUS_ONE, /* src_mask */ + 0, /* src_mask */ MINUS_ONE, /* dst_mask */ FALSE), /* pcrel_offset */ @@ -163,7 +163,7 @@ static reloc_howto_type howto_table[] = bfd_elf_generic_reloc, /* special_function */ "R_RISCV_TLS_DTPREL32", /* name */ TRUE, /* partial_inplace */ - MINUS_ONE, /* src_mask */ + 0, /* src_mask */ MINUS_ONE, /* dst_mask */ FALSE), /* pcrel_offset */ @@ -177,7 +177,7 @@ static reloc_howto_type howto_table[] = bfd_elf_generic_reloc, /* special_function */ "R_RISCV_TLS_DTPREL64", /* name */ TRUE, /* partial_inplace */ - MINUS_ONE, /* src_mask */ + 0, /* src_mask */ MINUS_ONE, /* dst_mask */ FALSE), /* pcrel_offset */ @@ -191,7 +191,7 @@ static reloc_howto_type howto_table[] = bfd_elf_generic_reloc, /* special_function */ "R_RISCV_TLS_TPREL32", /* name */ FALSE, /* partial_inplace */ - MINUS_ONE, /* src_mask */ + 0, /* src_mask */ MINUS_ONE, /* dst_mask */ FALSE), /* pcrel_offset */ @@ -205,7 +205,7 @@ static reloc_howto_type howto_table[] = bfd_elf_generic_reloc, /* special_function */ "R_RISCV_TLS_TPREL64", /* name */ FALSE, /* partial_inplace */ - MINUS_ONE, /* src_mask */ + 0, /* src_mask */ MINUS_ONE, /* dst_mask */ FALSE), /* pcrel_offset */ @@ -238,9 +238,6 @@ static reloc_howto_type howto_table[] = TRUE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ - /* This needs complex overflow - detection, because the upper 36 - bits must match the PC + 4. */ bfd_elf_generic_reloc, /* special_function */ "R_RISCV_JAL", /* name */ FALSE, /* partial_inplace */ @@ -264,7 +261,7 @@ static reloc_howto_type howto_table[] = /* dst_mask */ TRUE), /* pcrel_offset */ - /* 32-bit PC-relative function call (AUIPC/JALR). */ + /* Like R_RISCV_CALL, but not locally binding. */ HOWTO (R_RISCV_CALL_PLT, /* type */ 0, /* rightshift */ 2, /* size */ @@ -460,7 +457,7 @@ static reloc_howto_type howto_table[] = ENCODE_STYPE_IMM (-1U), /* dst_mask */ FALSE), /* pcrel_offset */ - /* TLS LE thread pointer usage. */ + /* TLS LE thread pointer usage. May be relaxed. */ HOWTO (R_RISCV_TPREL_ADD, /* type */ 0, /* rightshift */ 2, /* size */ @@ -665,9 +662,6 @@ static reloc_howto_type howto_table[] = TRUE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ - /* This needs complex overflow - detection, because the upper 36 - bits must match the PC + 4. */ bfd_elf_generic_reloc, /* special_function */ "R_RISCV_RVC_JUMP", /* name */ FALSE, /* partial_inplace */ @@ -690,7 +684,7 @@ static reloc_howto_type howto_table[] = ENCODE_RVC_IMM (-1U), /* dst_mask */ FALSE), /* pcrel_offset */ - /* High 12 bits of 32-bit load or add. */ + /* GP-relative load. */ HOWTO (R_RISCV_GPREL_I, /* type */ 0, /* rightshift */ 2, /* size */ @@ -705,7 +699,7 @@ static reloc_howto_type howto_table[] = ENCODE_ITYPE_IMM (-1U), /* dst_mask */ FALSE), /* pcrel_offset */ - /* High 12 bits of 32-bit store. */ + /* GP-relative store. */ HOWTO (R_RISCV_GPREL_S, /* type */ 0, /* rightshift */ 2, /* size */ diff --git a/gas/ChangeLog b/gas/ChangeLog index 8a41fc7f65..36f1c2fb57 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,7 @@ +2016-12-20 Andrew Waterman + + * config/tc-riscv.c: Formatting and comment fixes throughout. + 2016-12-14 Maciej W. Rozycki * config/tc-mips.c (md_convert_frag): Report an error instead of diff --git a/gas/config/tc-riscv.c b/gas/config/tc-riscv.c index b3638670c5..d8a627d14a 100644 --- a/gas/config/tc-riscv.c +++ b/gas/config/tc-riscv.c @@ -28,6 +28,7 @@ #include "itbl-ops.h" #include "dwarf2dbg.h" #include "dw2gencfi.h" +#include "struc-symbol.h" #include "elf/riscv.h" #include "opcode/riscv.h" @@ -511,29 +512,29 @@ validate_riscv_insn (const struct riscv_opcode *opc) case 'C': /* RVC */ switch (c = *p++) { - case 'a': used_bits |= ENCODE_RVC_J_IMM(-1U); break; + case 'a': used_bits |= ENCODE_RVC_J_IMM (-1U); break; case 'c': break; /* RS1, constrained to equal sp */ case 'i': used_bits |= ENCODE_RVC_SIMM3(-1U); break; - case 'j': used_bits |= ENCODE_RVC_IMM(-1U); break; - case 'k': used_bits |= ENCODE_RVC_LW_IMM(-1U); break; - case 'l': used_bits |= ENCODE_RVC_LD_IMM(-1U); break; - case 'm': used_bits |= ENCODE_RVC_LWSP_IMM(-1U); break; - case 'n': used_bits |= ENCODE_RVC_LDSP_IMM(-1U); break; - case 'p': used_bits |= ENCODE_RVC_B_IMM(-1U); break; + case 'j': used_bits |= ENCODE_RVC_IMM (-1U); break; + case 'k': used_bits |= ENCODE_RVC_LW_IMM (-1U); break; + case 'l': used_bits |= ENCODE_RVC_LD_IMM (-1U); break; + case 'm': used_bits |= ENCODE_RVC_LWSP_IMM (-1U); break; + case 'n': used_bits |= ENCODE_RVC_LDSP_IMM (-1U); break; + case 'p': used_bits |= ENCODE_RVC_B_IMM (-1U); break; case 's': USE_BITS (OP_MASK_CRS1S, OP_SH_CRS1S); break; case 't': USE_BITS (OP_MASK_CRS2S, OP_SH_CRS2S); break; - case 'u': used_bits |= ENCODE_RVC_IMM(-1U); break; - case 'v': used_bits |= ENCODE_RVC_IMM(-1U); break; + case 'u': used_bits |= ENCODE_RVC_IMM (-1U); break; + case 'v': used_bits |= ENCODE_RVC_IMM (-1U); break; case 'w': break; /* RS1S, constrained to equal RD */ case 'x': break; /* RS2S, constrained to equal RD */ - case 'K': used_bits |= ENCODE_RVC_ADDI4SPN_IMM(-1U); break; - case 'L': used_bits |= ENCODE_RVC_ADDI16SP_IMM(-1U); break; - case 'M': used_bits |= ENCODE_RVC_SWSP_IMM(-1U); break; - case 'N': used_bits |= ENCODE_RVC_SDSP_IMM(-1U); break; + case 'K': used_bits |= ENCODE_RVC_ADDI4SPN_IMM (-1U); break; + case 'L': used_bits |= ENCODE_RVC_ADDI16SP_IMM (-1U); break; + case 'M': used_bits |= ENCODE_RVC_SWSP_IMM (-1U); break; + case 'N': used_bits |= ENCODE_RVC_SDSP_IMM (-1U); break; case 'U': break; /* RS1, constrained to equal RD */ case 'V': USE_BITS (OP_MASK_CRS2, OP_SH_CRS2); break; - case '<': used_bits |= ENCODE_RVC_IMM(-1U); break; - case '>': used_bits |= ENCODE_RVC_IMM(-1U); break; + case '<': used_bits |= ENCODE_RVC_IMM (-1U); break; + case '>': used_bits |= ENCODE_RVC_IMM (-1U); break; case 'T': USE_BITS (OP_MASK_CRS2, OP_SH_CRS2); break; case 'D': USE_BITS (OP_MASK_CRS2S, OP_SH_CRS2S); break; default: @@ -563,11 +564,11 @@ validate_riscv_insn (const struct riscv_opcode *opc) case 'P': USE_BITS (OP_MASK_PRED, OP_SH_PRED); break; case 'Q': USE_BITS (OP_MASK_SUCC, OP_SH_SUCC); break; case 'o': - case 'j': used_bits |= ENCODE_ITYPE_IMM(-1U); break; - case 'a': used_bits |= ENCODE_UJTYPE_IMM(-1U); break; - case 'p': used_bits |= ENCODE_SBTYPE_IMM(-1U); break; - case 'q': used_bits |= ENCODE_STYPE_IMM(-1U); break; - case 'u': used_bits |= ENCODE_UTYPE_IMM(-1U); break; + case 'j': used_bits |= ENCODE_ITYPE_IMM (-1U); break; + case 'a': used_bits |= ENCODE_UJTYPE_IMM (-1U); break; + case 'p': used_bits |= ENCODE_SBTYPE_IMM (-1U); break; + case 'q': used_bits |= ENCODE_STYPE_IMM (-1U); break; + case 'u': used_bits |= ENCODE_UTYPE_IMM (-1U); break; case '[': break; case ']': break; case '0': break; @@ -661,7 +662,7 @@ append_insn (struct riscv_cl_insn *ip, expressionS *address_expr, { reloc_howto_type *howto; - gas_assert(address_expr); + gas_assert (address_expr); if (reloc_type == BFD_RELOC_12_PCREL || reloc_type == BFD_RELOC_RISCV_JMP) { @@ -814,7 +815,7 @@ static symbolS * make_internal_label (void) { return (symbolS *) local_symbol_make (FAKE_LABEL_NAME, now_seg, - (valueT) frag_now_fix(), frag_now); + (valueT) frag_now_fix (), frag_now); } /* Load an entry from the GOT. */ @@ -874,14 +875,14 @@ load_const (int reg, expressionS *ep) return; } - if (xlen > 32 && !IS_SEXT_32BIT_NUM(ep->X_add_number)) + if (xlen > 32 && !IS_SEXT_32BIT_NUM (ep->X_add_number)) { /* Reduce to a signed 32-bit constant using SLLI and ADDI. */ while (((upper.X_add_number >> shift) & 1) == 0) shift++; upper.X_add_number = (int64_t) upper.X_add_number >> shift; - load_const(reg, &upper); + load_const (reg, &upper); macro_build (NULL, "slli", "d,s,>", reg, reg, shift); if (lower.X_add_number != 0) @@ -1469,8 +1470,8 @@ rvc_lui: my_getExpression (imm_expr, s); check_absolute_expr (ip, imm_expr); if ((unsigned long) imm_expr->X_add_number > 0xfff) - as_warn(_("Improper CSR address (%lu)"), - (unsigned long) imm_expr->X_add_number); + as_warn (_("Improper CSR address (%lu)"), + (unsigned long) imm_expr->X_add_number); INSERT_OPERAND (CSR, *ip, imm_expr->X_add_number); imm_expr->X_op = O_absent; s = expr_end; @@ -2242,7 +2243,7 @@ md_convert_frag_branch (fragS *fragp) goto done; default: - abort(); + abort (); } } diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index 430b1f4a6a..df466ef12c 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,3 +1,7 @@ +2016-12-20 Andrew Waterman + + * riscv-opc.c: Formatting fixes. + 2016-12-20 Alan Modra * Makefile.am (TARGET_LIBOPCODES_CFILES): Add riscv files. diff --git a/opcodes/riscv-opc.c b/opcodes/riscv-opc.c index 1d8d579b4f..256e089c63 100644 --- a/opcodes/riscv-opc.c +++ b/opcodes/riscv-opc.c @@ -34,8 +34,7 @@ const char * const riscv_gpr_names_numeric[NGPR] = "x24", "x25", "x26", "x27", "x28", "x29", "x30", "x31" }; -const char * const riscv_gpr_names_abi[NGPR] = -{ +const char * const riscv_gpr_names_abi[NGPR] = { "zero", "ra", "sp", "gp", "tp", "t0", "t1", "t2", "s0", "s1", "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7", "s2", "s3", "s4", "s5", "s6", "s7", @@ -50,8 +49,7 @@ const char * const riscv_fpr_names_numeric[NFPR] = "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31" }; -const char * const riscv_fpr_names_abi[NFPR] = -{ +const char * const riscv_fpr_names_abi[NFPR] = { "ft0", "ft1", "ft2", "ft3", "ft4", "ft5", "ft6", "ft7", "fs0", "fs1", "fa0", "fa1", "fa2", "fa3", "fa4", "fa5", "fa6", "fa7", "fs2", "fs3", "fs4", "fs5", "fs6", "fs7", @@ -72,9 +70,9 @@ const char * const riscv_fpr_names_abi[NFPR] = #define MASK_RS2 (OP_MASK_RS2 << OP_SH_RS2) #define MASK_RD (OP_MASK_RD << OP_SH_RD) #define MASK_CRS2 (OP_MASK_CRS2 << OP_SH_CRS2) -#define MASK_IMM ENCODE_ITYPE_IMM(-1U) -#define MASK_RVC_IMM ENCODE_RVC_IMM(-1U) -#define MASK_UIMM ENCODE_UTYPE_IMM(-1U) +#define MASK_IMM ENCODE_ITYPE_IMM (-1U) +#define MASK_RVC_IMM ENCODE_RVC_IMM (-1U) +#define MASK_UIMM ENCODE_UTYPE_IMM (-1U) #define MASK_RM (OP_MASK_RM << OP_SH_RM) #define MASK_PRED (OP_MASK_PRED << OP_SH_PRED) #define MASK_SUCC (OP_MASK_SUCC << OP_SH_SUCC) @@ -240,7 +238,7 @@ const struct riscv_opcode riscv_opcodes[] = {"or", "I", "d,s,t", MATCH_OR, MASK_OR, match_opcode, 0 }, {"or", "I", "d,s,j", MATCH_ORI, MASK_ORI, match_opcode, INSN_ALIAS }, {"auipc", "I", "d,u", MATCH_AUIPC, MASK_AUIPC, match_opcode, 0 }, -{"seqz", "I", "d,s", MATCH_SLTIU | ENCODE_ITYPE_IMM(1), MASK_SLTIU | MASK_IMM, match_opcode, INSN_ALIAS }, +{"seqz", "I", "d,s", MATCH_SLTIU | ENCODE_ITYPE_IMM (1), MASK_SLTIU | MASK_IMM, match_opcode, INSN_ALIAS }, {"snez", "I", "d,t", MATCH_SLTU, MASK_SLTU | MASK_RS1, match_opcode, INSN_ALIAS }, {"sltz", "I", "d,s", MATCH_SLT, MASK_SLT | MASK_RS2, match_opcode, INSN_ALIAS }, {"sgtz", "I", "d,t", MATCH_SLT, MASK_SLT | MASK_RS1, match_opcode, INSN_ALIAS }, -- 2.34.1