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[174.21.72.5]) by smtp.gmail.com with ESMTPSA id v19-20020a17090abb9300b002a0544b81d6sm3564074pjr.35.2024.04.12.22.23.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Apr 2024 22:23:40 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: edgar.iglesias@gmail.com, philmd@linaro.org Subject: [PATCH 5/6] disas/cris: Remove struct cris_disasm_data Date: Fri, 12 Apr 2024 22:23:32 -0700 Message-Id: <20240413052333.688151-6-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240413052333.688151-1-richard.henderson@linaro.org> References: <20240413052333.688151-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::102a; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102a.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org As the structure contains one element, pass the element around instead of the structure. Signed-off-by: Richard Henderson --- disas/cris.c | 187 +++++++++++++++++++++------------------------------ 1 file changed, 76 insertions(+), 111 deletions(-) diff --git a/disas/cris.c b/disas/cris.c index 692cd4d163..71c292188a 100644 --- a/disas/cris.c +++ b/disas/cris.c @@ -1239,30 +1239,11 @@ cris_cc_strings[] = enum cris_disass_family { cris_dis_v0_v10, cris_dis_common_v10_v32, cris_dis_v32 }; -/* Stored in the disasm_info->private_data member. */ -struct cris_disasm_data -{ - /* Whether this code is flagged as crisv32. FIXME: Should be an enum - that includes "compatible". */ - enum cris_disass_family distype; -}; - -static int cris_constraint - (const char *, unsigned, unsigned, struct cris_disasm_data *); - -/* Parse disassembler options and store state in info. FIXME: For the - time being, we abuse static variables. */ - -static void -cris_parse_disassembler_options (struct cris_disasm_data *disdata, - char *disassembler_options, - enum cris_disass_family distype) -{ - disdata->distype = distype; -} +static int cris_constraint(const char *, unsigned, unsigned, + enum cris_disass_family); static const struct cris_spec_reg * -spec_reg_info (unsigned int sreg, enum cris_disass_family distype) +spec_reg_info(unsigned int sreg, enum cris_disass_family distype) { int i; @@ -1309,9 +1290,9 @@ number_of_bits (unsigned int val) /* Get an entry in the opcode-table. */ static const struct cris_opcode * -get_opcode_entry (unsigned int insn, - unsigned int prefix_insn, - struct cris_disasm_data *disdata) +get_opcode_entry(unsigned int insn, + unsigned int prefix_insn, + enum cris_disass_family distype) { /* For non-prefixed insns, we keep a table of pointers, indexed by the insn code. Each entry is initialized when found to be NULL. */ @@ -1349,7 +1330,7 @@ get_opcode_entry (unsigned int insn, const struct cris_opcode *popcodep = (opc_table[prefix_insn] != NULL ? opc_table[prefix_insn] - : get_opcode_entry (prefix_insn, NO_CRIS_PREFIX, disdata)); + : get_opcode_entry(prefix_insn, NO_CRIS_PREFIX, distype)); if (popcodep == NULL) return NULL; @@ -1406,7 +1387,7 @@ get_opcode_entry (unsigned int insn, { int level_of_match; - if (disdata->distype == cris_dis_v32) + if (distype == cris_dis_v32) { switch (opcodep->applicable_version) { @@ -1469,10 +1450,8 @@ get_opcode_entry (unsigned int insn, if ((opcodep->match & insn) == opcodep->match && (opcodep->lose & insn) == 0 && ((level_of_match - = cris_constraint (opcodep->args, - insn, - prefix_insn, - disdata)) + = cris_constraint(opcodep->args, insn, + prefix_insn, distype)) >= 0) && ((level_of_match += 2 * number_of_bits (opcodep->match @@ -1509,10 +1488,10 @@ get_opcode_entry (unsigned int insn, indicating the confidence in the match (higher is better). */ static int -cris_constraint (const char *cs, - unsigned int insn, - unsigned int prefix_insn, - struct cris_disasm_data *disdata) +cris_constraint(const char *cs, + unsigned int insn, + unsigned int prefix_insn, + enum cris_disass_family distype) { int retval = 0; int tmp; @@ -1526,7 +1505,7 @@ cris_constraint (const char *cs, /* Do not recognize "pop" if there's a prefix and then only for v0..v10. */ if (prefix_insn != NO_CRIS_PREFIX - || disdata->distype != cris_dis_v0_v10) + || distype != cris_dis_v0_v10) return -1; break; @@ -1569,7 +1548,7 @@ cris_constraint (const char *cs, if (insn & 0x400) { const struct cris_opcode *prefix_opcodep - = get_opcode_entry (prefix_insn, NO_CRIS_PREFIX, disdata); + = get_opcode_entry(prefix_insn, NO_CRIS_PREFIX, distype); if (prefix_opcodep->match == DIP_OPCODE) return -1; @@ -1589,7 +1568,7 @@ cris_constraint (const char *cs, { /* Match the prefix insn to BDAPQ. */ const struct cris_opcode *prefix_opcodep - = get_opcode_entry (prefix_insn, NO_CRIS_PREFIX, disdata); + = get_opcode_entry(prefix_insn, NO_CRIS_PREFIX, distype); if (prefix_opcodep->match == BDAP_QUICK_OPCODE) { @@ -1602,7 +1581,7 @@ cris_constraint (const char *cs, { unsigned int spec_reg = (insn >> 12) & 15; const struct cris_spec_reg *sregp - = spec_reg_info (spec_reg, disdata->distype); + = spec_reg_info(spec_reg, distype); /* For a special-register, the "prefix size" must match the size of the register. */ @@ -1631,7 +1610,7 @@ cris_constraint (const char *cs, case 'P': { const struct cris_spec_reg *sregp - = spec_reg_info ((insn >> 12) & 15, disdata->distype); + = spec_reg_info((insn >> 12) & 15, distype); /* Since we match four bits, we will give a value of 4-1 = 3 in a match. If there is a corresponding exact match of a @@ -1688,7 +1667,7 @@ format_dec(long number, GString *str, int signedp) /* Format the name of the general register regno into outbuffer. */ static void -format_reg(struct cris_disasm_data *disdata, int regno, GString *str) +format_reg(enum cris_disass_family distype, int regno, GString *str) { g_string_append_c(str, REGISTER_PREFIX_CHAR); @@ -1696,7 +1675,7 @@ format_reg(struct cris_disasm_data *disdata, int regno, GString *str) { case 15: /* For v32, there is no context in which we output PC. */ - if (disdata->distype == cris_dis_v32) + if (distype == cris_dis_v32) g_string_append(str, "acr"); else g_string_append(str, "pc"); @@ -1736,10 +1715,10 @@ format_sup_reg(unsigned int regno, GString *str) /* Return the length of an instruction. */ static unsigned -bytes_to_skip (unsigned int insn, - const struct cris_opcode *matchedp, - enum cris_disass_family distype, - const struct cris_opcode *prefix_matchedp) +bytes_to_skip(unsigned int insn, + const struct cris_opcode *matchedp, + enum cris_disass_family distype, + const struct cris_opcode *prefix_matchedp) { /* Each insn is a word plus "immediate" operands. */ unsigned to_skip = 2; @@ -1760,7 +1739,7 @@ bytes_to_skip (unsigned int insn, else if (matchedp->imm_oprnd_size == SIZE_SPEC_REG) { const struct cris_spec_reg *sregp - = spec_reg_info ((insn >> 12) & 15, distype); + = spec_reg_info((insn >> 12) & 15, distype); /* FIXME: Improve error handling; should have been caught earlier. */ @@ -1787,7 +1766,7 @@ bytes_to_skip (unsigned int insn, /* Print condition code flags. */ static void -print_flags(struct cris_disasm_data *disdata, unsigned int insn, GString *str) +print_flags(enum cris_disass_family distype, unsigned int insn, GString *str) { /* Use the v8 (Etrax 100) flag definitions for disassembly. The differences with v0 (Etrax 1..4) vs. Svinto are: @@ -1796,8 +1775,7 @@ print_flags(struct cris_disasm_data *disdata, unsigned int insn, GString *str) FIXME: Emit v0..v3 flag names somehow. */ static const char v8_fnames[] = "cvznxibm"; static const char v32_fnames[] = "cvznxiup"; - const char *fnames - = disdata->distype == cris_dis_v32 ? v32_fnames : v8_fnames; + const char *fnames = distype == cris_dis_v32 ? v32_fnames : v8_fnames; unsigned char flagbits = (((insn >> 8) & 0xf0) | (insn & 15)); int i; @@ -1812,24 +1790,25 @@ print_flags(struct cris_disasm_data *disdata, unsigned int insn, GString *str) supposed to be output as an address mode. */ static void -print_with_operands (const struct cris_opcode *opcodep, - unsigned int insn, - unsigned char *buffer, - bfd_vma addr, - disassemble_info *info, - /* If a prefix insn was before this insn (and is supposed - to be output as an address), here is a description of - it. */ - const struct cris_opcode *prefix_opcodep, - unsigned int prefix_insn, - unsigned char *prefix_buffer) +print_with_operands(const struct cris_opcode *opcodep, + unsigned int insn, + unsigned char *buffer, + bfd_vma addr, + disassemble_info *info, + /* + * If a prefix insn was before this insn + * (and is supposed to be output as an address), + * here is a description of it. + */ + const struct cris_opcode *prefix_opcodep, + unsigned int prefix_insn, + unsigned char *prefix_buffer, + enum cris_disass_family distype) { g_autoptr(GString) str = g_string_new(opcodep->name); static const char mode_char[] = "bwd?"; const char *s; const char *cs; - struct cris_disasm_data *disdata - = (struct cris_disasm_data *) info->private_data; cs = opcodep->args; s = cs; @@ -1912,11 +1891,11 @@ print_with_operands (const struct cris_opcode *opcodep, case 'D': case 'r': - format_reg(disdata, insn & 15, str); + format_reg(distype, insn & 15, str); break; case 'R': - format_reg(disdata, (insn >> 12) & 15, str); + format_reg(distype, (insn >> 12) & 15, str); break; case 'n': @@ -1960,7 +1939,7 @@ print_with_operands (const struct cris_opcode *opcodep, else if (opcodep->imm_oprnd_size == SIZE_SPEC_REG) { const struct cris_spec_reg *sregp - = spec_reg_info ((insn >> 12) & 15, disdata->distype); + = spec_reg_info((insn >> 12) & 15, distype); /* A NULL return should have been as a non-match earlier, so catch it as an internal error in the error-case @@ -1972,7 +1951,7 @@ print_with_operands (const struct cris_opcode *opcodep, /* PC is always incremented by a multiple of two. For CRISv32, immediates are always 4 bytes for special registers. */ - nbytes = disdata->distype == cris_dis_v32 + nbytes = distype == cris_dis_v32 ? 4 : (sregp->reg_size + 1) & ~1; } else @@ -2035,7 +2014,7 @@ print_with_operands (const struct cris_opcode *opcodep, else if (opcodep->imm_oprnd_size == SIZE_SPEC_REG) { const struct cris_spec_reg *sregp - = spec_reg_info ((insn >> 12) & 15, disdata->distype); + = spec_reg_info((insn >> 12) & 15, distype); /* FIXME: Improve error handling; should have been caught earlier. */ @@ -2060,7 +2039,7 @@ print_with_operands (const struct cris_opcode *opcodep, { if (insn & 0x400) { - format_reg(disdata, insn & 15, str); + format_reg(distype, insn & 15, str); g_string_append_c(str, '='); } @@ -2093,7 +2072,7 @@ print_with_operands (const struct cris_opcode *opcodep, info->target2 = prefix_insn & 15; g_string_append_c(str, '['); - format_reg(disdata, prefix_insn & 15, str); + format_reg(distype, prefix_insn & 15, str); if (prefix_insn & 0x400) g_string_append_c(str, '+'); g_string_append_c(str, ']'); @@ -2109,7 +2088,7 @@ print_with_operands (const struct cris_opcode *opcodep, number -= 256; /* Output "reg+num" or, if num < 0, "reg-num". */ - format_reg(disdata, (prefix_insn >> 12) & 15, str); + format_reg(distype, (prefix_insn >> 12) & 15, str); if (number >= 0) g_string_append_c(str, '+'); format_dec(number, str, 1); @@ -2122,9 +2101,9 @@ print_with_operands (const struct cris_opcode *opcodep, case BIAP_OPCODE: /* Output "r+R.m". */ - format_reg(disdata, prefix_insn & 15, str); + format_reg(distype, prefix_insn & 15, str); g_string_append_c(str, '+'); - format_reg(disdata, (prefix_insn >> 12) & 15, str); + format_reg(distype, (prefix_insn >> 12) & 15, str); g_string_append_c(str, '.'); g_string_append_c(str, mode_char[(prefix_insn >> 4) & 3]); @@ -2139,7 +2118,7 @@ print_with_operands (const struct cris_opcode *opcodep, case BDAP_INDIR_OPCODE: /* Output "r+s.m", or, if "s" is [pc+], "r+s" or "r-s". */ - format_reg(disdata, (prefix_insn >> 12) & 15, str); + format_reg(distype, (prefix_insn >> 12) & 15, str); if ((prefix_insn & 0x400) && (prefix_insn & 15) == 15) { @@ -2202,7 +2181,7 @@ print_with_operands (const struct cris_opcode *opcodep, /* Output "r+[R].m" or "r+[R+].m". */ g_string_append_c(str, '+'); g_string_append_c(str, '['); - format_reg(disdata, prefix_insn & 15, str); + format_reg(distype, prefix_insn & 15, str); if (prefix_insn & 0x400) g_string_append_c(str, '+'); g_string_append_c(str, ']'); @@ -2230,7 +2209,7 @@ print_with_operands (const struct cris_opcode *opcodep, } else { - format_reg(disdata, insn & 15, str); + format_reg(distype, insn & 15, str); info->flags |= CRIS_DIS_FLAG_MEM_TARGET_IS_REG; info->target = insn & 15; @@ -2243,7 +2222,7 @@ print_with_operands (const struct cris_opcode *opcodep, break; case 'x': - format_reg(disdata, (insn >> 12) & 15, str); + format_reg(distype, (insn >> 12) & 15, str); g_string_append_c(str, '.'); g_string_append_c(str, mode_char[(insn >> 4) & 3]); break; @@ -2259,7 +2238,7 @@ print_with_operands (const struct cris_opcode *opcodep, if (where > 32767) where -= 65536; - where += addr + ((disdata->distype == cris_dis_v32) ? 0 : 4); + where += addr + ((distype == cris_dis_v32) ? 0 : 4); if (insn == BA_PC_INCR_OPCODE) info->insn_type = dis_branch; @@ -2294,7 +2273,7 @@ print_with_operands (const struct cris_opcode *opcodep, else info->insn_type = dis_condbranch; - target = addr + ((disdata->distype == cris_dis_v32) ? 0 : 2) + offset; + target = addr + (distype == cris_dis_v32 ? 0 : 2) + offset; info->target = target; format_hex(target, str); } @@ -2310,12 +2289,12 @@ print_with_operands (const struct cris_opcode *opcodep, format_dec(number, str, 1); g_string_append_c(str, ','); - format_reg(disdata, (insn >> 12) & 15, str); + format_reg(distype, (insn >> 12) & 15, str); } break; case 'f': - print_flags(disdata, insn, str); + print_flags(distype, insn, str); break; case 'i': @@ -2325,7 +2304,7 @@ print_with_operands (const struct cris_opcode *opcodep, case 'P': { const struct cris_spec_reg *sregp - = spec_reg_info ((insn >> 12) & 15, disdata->distype); + = spec_reg_info((insn >> 12) & 15, distype); if (sregp == NULL || sregp->name == NULL) /* Should have been caught as a non-match earlier. */ @@ -2356,15 +2335,14 @@ print_with_operands (const struct cris_opcode *opcodep, WITH_REG_PREFIX. */ static int -print_insn_cris_generic (bfd_vma memaddr, - disassemble_info *info) +print_insn_cris_generic(bfd_vma memaddr, + disassemble_info *info, + enum cris_disass_family distype) { int nbytes; unsigned int insn; const struct cris_opcode *matchedp; int advance = 0; - struct cris_disasm_data *disdata - = (struct cris_disasm_data *) info->private_data; /* No instruction will be disassembled as longer than this number of bytes; stacked prefixes will not be expanded. */ @@ -2416,7 +2394,7 @@ print_insn_cris_generic (bfd_vma memaddr, of a nuiscance that we will just output "bcc .+2" for it and signal it as a noninsn. */ (*info->fprintf_func) (info->stream, - disdata->distype == cris_dis_v32 + distype == cris_dis_v32 ? "bcc ." : "bcc .+2"); info->insn_type = dis_noninsn; advance += 2; @@ -2428,7 +2406,7 @@ print_insn_cris_generic (bfd_vma memaddr, unsigned int prefix_insn = insn; int prefix_size = 0; - matchedp = get_opcode_entry (insn, NO_CRIS_PREFIX, disdata); + matchedp = get_opcode_entry(insn, NO_CRIS_PREFIX, distype); /* Check if we're supposed to write out prefixes as address modes and if this was a prefix. */ @@ -2436,12 +2414,11 @@ print_insn_cris_generic (bfd_vma memaddr, { /* If it's a prefix, put it into the prefix vars and get the main insn. */ - prefix_size = bytes_to_skip (prefix_insn, matchedp, - disdata->distype, NULL); + prefix_size = bytes_to_skip(prefix_insn, matchedp, distype, NULL); prefix_opcodep = matchedp; insn = bufp[prefix_size] + bufp[prefix_size + 1] * 256; - matchedp = get_opcode_entry (insn, prefix_insn, disdata); + matchedp = get_opcode_entry(insn, prefix_insn, distype); if (matchedp != NULL) { @@ -2469,15 +2446,13 @@ print_insn_cris_generic (bfd_vma memaddr, } else { - advance - += bytes_to_skip (insn, matchedp, disdata->distype, - prefix_opcodep); + advance += bytes_to_skip(insn, matchedp, distype, prefix_opcodep); /* The info_type and assorted fields will be set according to the operands. */ - print_with_operands (matchedp, insn, bufp, addr, info, - prefix_opcodep, prefix_insn, - prefix_buffer); + print_with_operands(matchedp, insn, bufp, addr, info, + prefix_opcodep, prefix_insn, + prefix_buffer, distype); } } } @@ -2513,23 +2488,13 @@ print_insn_cris_generic (bfd_vma memaddr, } int -print_insn_crisv10 (bfd_vma vma, - disassemble_info *info) +print_insn_crisv10(bfd_vma vma, disassemble_info *info) { - struct cris_disasm_data disdata; - info->private_data = &disdata; - cris_parse_disassembler_options (&disdata, info->disassembler_options, - cris_dis_v0_v10); - return print_insn_cris_generic (vma, info); + return print_insn_cris_generic(vma, info, cris_dis_v0_v10); } int -print_insn_crisv32 (bfd_vma vma, - disassemble_info *info) +print_insn_crisv32(bfd_vma vma, disassemble_info *info) { - struct cris_disasm_data disdata; - info->private_data = &disdata; - cris_parse_disassembler_options (&disdata, info->disassembler_options, - cris_dis_v32); - return print_insn_cris_generic (vma, info); + return print_insn_cris_generic(vma, info, cris_dis_v32); }