diff options
author | James Lemke <jwlemke@codesourcery.com> | 2012-05-14 19:45:30 +0000 |
---|---|---|
committer | James Lemke <jwlemke@codesourcery.com> | 2012-05-14 19:45:30 +0000 |
commit | b9c361e0ad33f2c841067fd4bf0959a72ad5a265 (patch) | |
tree | 6c74713fae9f2fadf8c8767479344b2f14676c79 /gas/config/tc-ppc.c | |
parent | ac1438b5c566f160e55f16385624c736c3679f8c (diff) | |
download | gdb-b9c361e0ad33f2c841067fd4bf0959a72ad5a265.zip gdb-b9c361e0ad33f2c841067fd4bf0959a72ad5a265.tar.gz gdb-b9c361e0ad33f2c841067fd4bf0959a72ad5a265.tar.bz2 |
Add support for PowerPC VLE.
2012-05-14 Catherine Moore <clm@codesourcery.com>
* NEWS: Mention PowerPC VLE port.
2012-05-14 James Lemke <jwlemke@codesourcery.com>
Catherine Moore <clm@codesourcery.com>
bfd/
* bfd.c (bfd_lookup_section_flags): Add section parm.
* ecoff.c (bfd_debug_section): Remove flag_info initializer.
* elf-bfd.h (bfd_elf_section_data): Move in section_flag_info.
(bfd_elf_lookup_section_flags): Add section parm.
* elf32-ppc.c (is_ppc_vle): New function.
(ppc_elf_modify_segment_map): New function.
(elf_backend_modify_segment_map): Define.
(has_vle_insns): New define.
* elf32-ppc.h (ppc_elf_modify_segment_map): Declare.
* elflink.c (bfd_elf_lookup_section_flags): Add return value & parm.
Move in logic to omit / include a section.
* libbfd-in.h (bfd_link_info): Add section parm.
(bfd_generic_lookup_section_flags): Likewise.
* reloc.c (bfd_generic_lookup_section_flags): Likewise.
* section.c (bfd_section): Move out section_flag_info.
(BFD_FAKE_SECTION): Remove flag_info initializer.
* targets.c (_bfd_lookup_section_flags): Add section parm.
2012-05-14 Catherine Moore <clm@codesourcery.com>
bfd/
* archures.c (bfd_mach_ppc_vle): New.
* bfd-in2.h: Regenerated.
* cpu-powerpc.c (bfd_powerpc_archs): New entry for vle.
* elf32-ppc.c (split16_format_type): New enumeration.
(ppc_elf_vle_split16): New function.
(HOWTO): Add entries for R_PPC_VLE relocations.
(ppc_elf_reloc_type_lookup): Handle PPC_VLE relocations.
(ppc_elf_section_flags): New function.
(ppc_elf_lookup_section_flags): New function.
(ppc_elf_section_processing): New function.
(ppc_elf_check_relocs): Handle PPC_VLE relocations.
(ppc_elf_relocation_section): Likewise.
(elf_backend_lookup_section_flags_hook): Define.
(elf_backend_section_flags): Define.
(elf_backend_section_processing): Define.
* elf32-ppc.h (ppc_elf_section_processing): Declare.
* libbfd.h: Regenerated.
* reloc.c (BFD_RELOC_PPC_VLE_REL8, BFD_RELOC_PPC_VLE_REL15,
BFD_RELOC_PPC_VLE_REL24, BFD_RELOC_PPC_VLE_LO16A,
BFD_RELOC_PPC_VLE_LO16D, BFD_RELOC_PPC_VLE_HI16A,
BFD_RELOC_PPC_VLE_HI16D, BFD_RELOC_PPC_VLE_HA16A,
BFD_RELOC_PPC_VLE_HA16D, BFD_RELOC_PPC_VLE_SDA21,
BFD_RELOC_PPC_VLE_SDA21_LO, BFD_RELOC_PPC_VLE_SDAREL_LO16A,
BFD_RELOC_PPC_VLE_SDAREL_LO16D, BFD_RELOC_PPC_VLE_SDAREL_HI16A,
BFD_RELOC_PPC_VLE_SDAREL_HI16D, BFD_RELOC_PPC_VLE_SDAREL_HA16A,
BFD_RELOC_PPC_VLE_SDAREL_HA16D): New bfd relocations.
2012-05-14 James Lemke <jwlemke@codesourcery.com>
gas/
* config/tc-ppc.c (insn_validate): New func of existing code to call..
(ppc_setup_opcodes): ..from 2 places here.
Revise for second (VLE) opcode table.
Add #ifdef'd code to print opcode tables.
2012-05-14 James Lemke <jwlemke@codesourcery.com>
gas/
* config/tc-ppc.c (ppc_setup_opcodes): Allow out-of-order
for the VLE conditional branches.
2012-05-14 Catherine Moore <clm@codesourcery.com>
Maciej W. Rozycki <macro@codesourcery.com>
Rhonda Wittels <rhonda@codesourcery.com>
gas/
* config/tc-ppc.c (PPC_VLE_SPLIT16A): New macro.
(PPC_VLE_SPLIT16D): New macro.
(PPC_VLE_LO16A): New macro.
(PPC_VLE_LO16D): New macro.
(PPC_VLE_HI16A): New macro.
(PPC_VLE_HI16D): New macro.
(PPC_VLE_HA16A): New macro.
(PPC_VLE_HA16D): New macro.
(PPC_APUINFO_VLE): New definition.
(md_chars_to_number): New function.
(md_parse_option): Check for combinations of little
endian and -mvle.
(md_show_usage): Document -mvle.
(ppc_arch): Recognize VLE.
(ppc_mach): Recognize bfd_mach_ppc_vle.
(ppc_setup_opcodes): Print the opcode table if
* config/tc-ppc.h (ppc_frag_check): Declare.
* doc/c-ppc.texi: Document -mvle.
* NEWS: Mention PowerPC VLE port.
2012-05-14 Catherine Moore <clm@codesourcery.com>
gas/
* config/tc-ppc.h (ppc_dw2_line_min_insn_length): Declare.
(DWARF2_LINE_MIN_INSN_LENGTH): Redefine.
* config/tc-ppc.c (ppc_dw2_line_min_insn_length): New.
* dwarf2dbg.c (scale_addr_delta): Handle values of 1
for DWARF2_LINE_MIN_INSN_LENGTH.
2012-05-14 Catherine Moore <clm@codesourcery.com>
Maciej W. Rozycki <macro@codesourcery.com>
Rhonda Wittels <rhonda@codesourcery.com>
gas/testsuite/
* gas/ppc/ppc.exp: Run new tests.
* gas/ppc/vle-reloc.d: New test.
* gas/ppc/vle-reloc.s: New test.
* gas/ppc/vle-simple-1.d: New test.
* gas/ppc/vle-simple-1.s: New test.
* gas/ppc/vle-simple-2.d: New test.
* gas/ppc/vle-simple-2.s: New test.
* gas/ppc/vle-simple-3.d: New test.
* gas/ppc/vle-simple-3.s: New test.
* gas/ppc/vle-simple-4.d: New test.
* gas/ppc/vle-simple-4.s: New test.
* gas/ppc/vle-simple-5.d: New test.
* gas/ppc/vle-simple-5.s: New test.
* gas/ppc/vle-simple-6.d: New test.
* gas/ppc/vle-simple-6.s: New test.
* gas/ppc/vle.d: New test.
* gas/ppc/vle.s: New test.
2012-05-14 James Lemke <jwlemke@codesourcery.com>
include/elf/
* ppc.h (SEC_PPC_VLE): Remove.
2012-05-14 Catherine Moore <clm@codesourcery.com>
James Lemke <jwlemke@codesourcery.com>
include/elf/
* ppc.h (R_PPC_VLE_REL8): New reloction.
(R_PPC_VLE_REL15): Likewise.
(R_PPC_VLE_REL24): Likewise.
(R_PPC_VLE_LO16A): Likewise.
(R_PPC_VLE_LO16D): Likewise.
(R_PPC_VLE_HI16A): Likewise.
(R_PPC_VLE_HI16D): Likewise.
(R_PPC_VLE_HA16A): Likewise.
(R_PPC_VLE_HA16D): Likewise.
(R_PPC_VLE_SDA21): Likewise.
(R_PPC_VLE_SDA21_LO): Likewise.
(R_PPC_VLE_SDAREL_LO16A): Likewise.
(R_PPC_VLE_SDAREL_LO16D): Likewise.
(R_PPC_VLE_SDAREL_HI16A): Likewise.
(R_PPC_VLE_SDAREL_HI16D): Likewise.
(R_PPC_VLE_SDAREL_HA16A): Likewise.
(R_PPC_VLE_SDAREL_HA16D): Likewise.
(SEC_PPC_VLE): Remove.
(PF_PPC_VLE): New program header flag.
(SHF_PPC_VLE): New section header flag.
(vle_opcodes, vle_num_opcodes): New.
(VLE_OP): New macro.
(VLE_OP_TO_SEG): New macro.
2012-05-14 Catherine Moore <clm@codesourcery.com>
Maciej W. Rozycki <macro@codesourcery.com>
Rhonda Wittels <rhonda@codesourcery.com>
include/opcode/
* ppc.h (PPC_OPCODE_VLE): New definition.
(PPC_OP_SA): New macro.
(PPC_OP_SE_VLE): New macro.
(PPC_OP): Use a variable shift amount.
(powerpc_operand): Update comments.
(PPC_OPSHIFT_INV): New macro.
(PPC_OPERAND_CR): Replace with...
(PPC_OPERAND_CR_BIT): ...this and
(PPC_OPERAND_CR_REG): ...this.
2012-05-14 James Lemke <jwlemke@codesourcery.com>
ld/
* ldlang.c (walk_wild_consider_section): Don't copy section_flag_list.
Pass it to callback.
(walk_wild_section_general): Pass section_flag_list to callback.
(lang_add_section): Add sflag_list parm.
Move out logic to keep / omit a section & call bfd_lookup_section_flags.
(output_section_callback_fast): Add sflag_list parm.
Add new parm to lang_add_section calls.
(output_section_callback): Likewise.
(check_section_callback): Add sflag_list parm.
(lang_place_orphans): Add new parm to lang_add_section calls.
(gc_section_callback): Add sflag_list parm.
(find_relro_section_callback): Likewise.
* ldlang.h (callback_t): Add flag_info parm.
(lang_add_section): Add sflag_list parm.
* emultempl/armelf.em (elf32_arm_add_stub_section):
Add lang_add_section parm.
* emultempl/beos.em (gld*_place_orphan): Likewise.
* emultempl/elf32.em (gld*_place_orphan): Likewise.
* emultempl/hppaelf.em (hppaelf_add_stub_section): Likewise.
* emultempl/m68hc1xelf.em (m68hc11elf_add_stub_section): Likewise.
* emultempl/mipself.em (mips_add_stub_section): Likewise.
* emultempl/mmo.em (mmo_place_orphan): Likewise.
* emultempl/pe.em (gld_*_place_orphan): Likewise.
* emultempl/pep.em (gld_*_place_orphan): Likewise.
* emultempl/ppc64elf.em (ppc_add_stub_section): Likewise.
* emultempl/spuelf.em (spu_place_special_section): Likewise.
* emultempl/vms.em (vms_place_orphan): Likewise.
2012-05-14 James Lemke <jwlemke@codesourcery.com>
ld/testsuite/
* ld-powerpc/powerpc.exp: Create ppceabitests.
* ld-powerpc/vle-multiseg.s: New.
* ld-powerpc/vle-multiseg-1.d: New.
* ld-powerpc/vle-multiseg-1.ld: New.
* ld-powerpc/vle-multiseg-2.d: New.
* ld-powerpc/vle-multiseg-2.ld: New.
* ld-powerpc/vle-multiseg-3.d: New.
* ld-powerpc/vle-multiseg-3.ld: New.
* ld-powerpc/vle-multiseg-4.d: New.
* ld-powerpc/vle-multiseg-4.ld: New.
* ld-powerpc/vle-multiseg-5.d: New.
* ld-powerpc/vle-multiseg-5.ld: New.
* ld-powerpc/vle-multiseg-6.d: New.
* ld-powerpc/vle-multiseg-6.ld: New.
* ld-powerpc/vle-multiseg-6a.s: New.
* ld-powerpc/vle-multiseg-6b.s: New.
* ld-powerpc/vle-multiseg-6c.s: New.
* ld-powerpc/vle-multiseg-6d.s: New.
* ld-powerpc/powerpc.exp: Run new tests.
2012-05-14 Catherine Moore <clm@codesourcery.com>
ld/
* NEWS: Mention PowerPC VLE port.
2012-05-14 Catherine Moore <clm@codesourcery.com>
ld/testsuite/
* ld-powerpc/apuinfo.rd: Update for VLE.
* ld-powerpc/vle-reloc-1.d: New.
* ld-powerpc/vle-reloc-1.s: New.
* ld-powerpc/vle-reloc-2.d: New.
* ld-powerpc/vle-reloc-2.s: New.
* ld-powerpc/vle-reloc-3.d: New.
* ld-powerpc/vle-reloc-3.s: New.
* ld-powerpc/vle-reloc-def-1.s: New.
* ld-powerpc/vle-reloc-def-2.s: New.
* ld-powerpc/vle-reloc-def-3.s: New.
2012-05-14 James Lemke <jwlemke@codesourcery.com>
opcodes/
* ppc-dis.c (get_powerpc_dialect): Use is_ppc_vle.
(PPC_OPCD_SEGS, VLE_OPCD_SEGS): New defines.
(vle_opcd_indices): New array.
(lookup_vle): New function.
(disassemble_init_powerpc): Revise for second (VLE) opcode table.
(print_insn_powerpc): Likewise.
* ppc-opc.c: Likewise.
2012-05-14 Catherine Moore <clm@codesourcery.com>
Maciej W. Rozycki <macro@codesourcery.com>
Rhonda Wittels <rhonda@codesourcery.com>
Nathan Froyd <froydnj@codesourcery.com>
opcodes/
* ppc-opc.c (insert_arx, extract_arx): New functions.
(insert_ary, extract_ary): New functions.
(insert_li20, extract_li20): New functions.
(insert_rx, extract_rx): New functions.
(insert_ry, extract_ry): New functions.
(insert_sci8, extract_sci8): New functions.
(insert_sci8n, extract_sci8n): New functions.
(insert_sd4h, extract_sd4h): New functions.
(insert_sd4w, extract_sd4w): New functions.
(insert_vlesi, extract_vlesi): New functions.
(insert_vlensi, extract_vlensi): New functions.
(insert_vleui, extract_vleui): New functions.
(insert_vleil, extract_vleil): New functions.
(BI_MASK, BB_MASK, BT): Use PPC_OPERAND_CR_BIT.
(BI16, BI32, BO32, B8): New.
(B15, B24, CRD32, CRS): New.
(CRD, OBF, BFA, CR, CRFS): Use PPC_OPERAND_CR_REG.
(DB, IMM20, RD, Rx, ARX, RY, RZ): New.
(ARY, SCLSCI8, SCLSCI8N, SE_SD, SE_SDH): New.
(SH6_MASK): Use PPC_OPSHIFT_INV.
(SI8, UI5, OIMM5, UI7, BO16): New.
(VLESIMM, VLENSIMM, VLEUIMM, VLEUIMML): New.
(XT6, XA6, XB6, XB6S, XC6): Use PPC_OPSHIFT_INV.
(ALLOW8_SPRG): New.
(insert_sprg, extract_sprg): Check ALLOW8_SPRG.
(OPVUP, OPVUP_MASK OPVUP): New
(BD8, BD8_MASK, BD8IO, BD8IO_MASK): New.
(EBD8IO, EBD8IO1_MASK, EBD8IO2_MASK, EBD8IO3_MASK): New.
(BD15, BD15_MASK, EBD15, EBD15_MASK, EBD15BI, EBD15BI_MASK): New.
(BD24,BD24_MASK, C_LK, C_LK_MASK, C, C_MASK): New.
(IA16, IA16_MASK, I16A, I16A_MASK, I16L, I16L_MASK): New.
(IM7, IM7_MASK, LI20, LI20_MASK, SCI8, SCI8_MASK): New.
(SCI8BF, SCI8BF_MASK, SD4, SD4_MASK): New.
(SE_IM5, SE_IM5_MASK): New.
(SE_R, SE_R_MASK, SE_RR, SE_RR_MASK): New.
(EX, EX_MASK, BO16F, BO16T, BO32F, BO32T): New.
(BO32DNZ, BO32DZ): New.
(NO371, PPCSPE, PPCISEL, PPCEFS, MULHW): Include PPC_OPCODE_VLE.
(PPCVLE): New.
(powerpc_opcodes): Add new VLE instructions. Update existing
instruction to include PPCVLE if supported.
* ppc-dis.c (ppc_opts): Add vle entry.
(get_powerpc_dialect): New function.
(powerpc_init_dialect): VLE support.
(print_insn_big_powerpc): Call get_powerpc_dialect.
(print_insn_little_powerpc): Likewise.
(operand_value_powerpc): Handle negative shift counts.
(print_insn_powerpc): Handle 2-byte instruction lengths.
Diffstat (limited to 'gas/config/tc-ppc.c')
-rw-r--r-- | gas/config/tc-ppc.c | 549 |
1 files changed, 461 insertions, 88 deletions
diff --git a/gas/config/tc-ppc.c b/gas/config/tc-ppc.c index 0e7f017..f146169 100644 --- a/gas/config/tc-ppc.c +++ b/gas/config/tc-ppc.c @@ -64,14 +64,40 @@ static int set_target_endian = 0; /* #lo(value) denotes the least significant 16 bits of the indicated. */ #define PPC_LO(v) ((v) & 0xffff) +/* Split the indicated value with the msbs in bits 11-15 + and the lsbs in bits 21-31. */ +#define PPC_VLE_SPLIT16A(v) ((v & 0xf800) << 11) | (v & 0x7ff) + +/* Split the indicated value with the msbs in bits 6-10 + and the lsbs in bits 21-31. */ +#define PPC_VLE_SPLIT16D(v) ((v & 0xf800) << 5) | (v & 0x7ff) + +/* #lo(value) denotes the lsb 16 bits in split16a format. */ +#define PPC_VLE_LO16A(v) PPC_VLE_SPLIT16A(PPC_LO(v)) + +/* #lo(value) denotes the lsb 16 bits in split16d format. */ +#define PPC_VLE_LO16D(v) PPC_VLE_SPLIT16D(PPC_LO(v)) + /* #hi(value) denotes bits 16 through 31 of the indicated value. */ #define PPC_HI(v) (((v) >> 16) & 0xffff) +/* #lo(value) denotes the msb 16 bits in split16a format. */ +#define PPC_VLE_HI16A(v) PPC_VLE_SPLIT16A(PPC_HI(v)) + +/* #lo(value) denotes the msb 16 bits in split16d format. */ +#define PPC_VLE_HI16D(v) PPC_VLE_SPLIT16D(PPC_HI(v)) + /* #ha(value) denotes the high adjusted value: bits 16 through 31 of the indicated value, compensating for #lo() being treated as a signed number. */ #define PPC_HA(v) PPC_HI ((v) + 0x8000) +/* #ha(value) denotes the high adjusted value in split16a format. */ +#define PPC_VLE_HA16A(v) PPC_VLE_SPLIT16A(PPC_HA(v)) + +/* #ha(value) denotes the high adjusted value in split16d format. */ +#define PPC_VLE_HA16D(v) PPC_VLE_SPLIT16D(PPC_HA(v)) + /* #higher(value) denotes bits 32 through 47 of the indicated value. */ #define PPC_HIGHER(v) (((v) >> 16 >> 16) & 0xffff) @@ -1038,6 +1064,7 @@ symbolS *GOT_symbol; /* Pre-defined "_GLOBAL_OFFSET_TABLE" */ #define PPC_APUINFO_SPE 0x100 #define PPC_APUINFO_EFS 0x101 #define PPC_APUINFO_BRLOCK 0x102 +#define PPC_APUINFO_VLE 0x104 /* * We keep a list of APUinfo @@ -1059,6 +1086,35 @@ const struct option md_longopts[] = { }; const size_t md_longopts_size = sizeof (md_longopts); +/* Convert the target integer stored in N bytes in BUF to a host + integer, returning that value. */ + +static valueT +md_chars_to_number (char *buf, int n) +{ + valueT result = 0; + unsigned char *p = (unsigned char *) buf; + + if (target_big_endian) + { + while (n--) + { + result <<= 8; + result |= (*p++ & 0xff); + } + } + else + { + while (n--) + { + result <<= 8; + result |= (p[n] & 0xff); + } + } + + return result; +} + int md_parse_option (int c, char *arg) { @@ -1079,6 +1135,8 @@ md_parse_option (int c, char *arg) { target_big_endian = 0; set_target_endian = 1; + if (ppc_cpu & PPC_OPCODE_VLE) + as_bad (_("The use of -mvle requires big endian.")); } else return 0; @@ -1126,8 +1184,13 @@ md_parse_option (int c, char *arg) break; case 'm': - if ((new_cpu = ppc_parse_cpu (ppc_cpu, arg)) != 0) - ppc_cpu = new_cpu; + new_cpu = ppc_parse_cpu (ppc_cpu, arg); + if (new_cpu != 0) + { + ppc_cpu = new_cpu; + if (set_target_endian && target_big_endian == 0) + as_bad (_("The use of -mvle requires big endian.")); + } else if (strcmp (arg, "regnames") == 0) reg_names_p = TRUE; @@ -1160,6 +1223,8 @@ md_parse_option (int c, char *arg) { target_big_endian = 0; set_target_endian = 1; + if (ppc_cpu & PPC_OPCODE_VLE) + as_bad (_("The use of -mvle requires big endian.")); } else if (strcmp (arg, "big") == 0 || strcmp (arg, "big-endian") == 0) @@ -1268,6 +1333,7 @@ PowerPC options:\n\ -me5500, generate code for Freescale e5500 core complex\n\ -me6500, generate code for Freescale e6500 core complex\n\ -mspe generate code for Motorola SPE instructions\n\ +-mvle generate code for Freescale VLE instructions\n\ -mtitan generate code for AppliedMicro Titan core complex\n\ -mregnames Allow symbolic names for registers\n\ -mno-regnames Do not allow symbolic names for registers\n")); @@ -1328,9 +1394,11 @@ ppc_arch (void) if ((ppc_cpu & PPC_OPCODE_PPC) != 0) return bfd_arch_powerpc; - else if ((ppc_cpu & PPC_OPCODE_POWER) != 0) + if ((ppc_cpu & PPC_OPCODE_VLE) != 0) + return bfd_arch_powerpc; + if ((ppc_cpu & PPC_OPCODE_POWER) != 0) return bfd_arch_rs6000; - else if ((ppc_cpu & (PPC_OPCODE_COMMON | PPC_OPCODE_ANY)) != 0) + if ((ppc_cpu & (PPC_OPCODE_COMMON | PPC_OPCODE_ANY)) != 0) { if (strcmp (default_cpu, "rs6000") == 0) return bfd_arch_rs6000; @@ -1351,6 +1419,8 @@ ppc_mach (void) return bfd_mach_rs6k; else if (ppc_cpu & PPC_OPCODE_TITAN) return bfd_mach_ppc_titan; + else if (ppc_cpu & PPC_OPCODE_VLE) + return bfd_mach_ppc_vle; else return bfd_mach_ppc; } @@ -1384,6 +1454,54 @@ ppc_target_format (void) #endif } +/* Validate one entry in powerpc_opcodes[] or vle_opcodes[]. + Return TRUE if there's a problem, otherwise FALSE. */ + +static bfd_boolean +insn_validate (const struct powerpc_opcode *op) +{ + const unsigned char *o; + unsigned long omask = op->mask; + + /* The mask had better not trim off opcode bits. */ + if ((op->opcode & omask) != op->opcode) + { + as_bad (_("mask trims opcode bits for %s"), op->name); + return TRUE; + } + + /* The operands must not overlap the opcode or each other. */ + for (o = op->operands; *o; ++o) + { + if (*o >= num_powerpc_operands) + { + as_bad (_("operand index error for %s"), op->name); + return TRUE; + } + else + { + const struct powerpc_operand *operand = &powerpc_operands[*o]; + if (operand->shift != PPC_OPSHIFT_INV) + { + unsigned long mask; + + if (operand->shift >= 0) + mask = operand->bitm << operand->shift; + else + mask = operand->bitm >> -operand->shift; + if (omask & mask) + { + as_bad (_("operand %d overlap in %s"), + (int) (o - op->operands), op->name); + return TRUE; + } + omask |= mask; + } + } + } + return FALSE; +} + /* Insert opcodes and macros into hash tables. Called at startup and for .cpu pseudo. */ @@ -1440,89 +1558,82 @@ ppc_setup_opcodes (void) { if (ENABLE_CHECKING) { - const unsigned char *o; - unsigned long omask = op->mask; - if (op != powerpc_opcodes) { + int old_opcode = PPC_OP (op[-1].opcode); + int new_opcode = PPC_OP (op[0].opcode); + +#ifdef PRINT_OPCODE_TABLE + printf ("%-14s\t#%04d\tmajor op: 0x%x\top: 0x%x\tmask: 0x%x\tflags: 0x%llx\n", + op->name, op - powerpc_opcodes, (unsigned int) new_opcode, + (unsigned int) op->opcode, (unsigned int) op->mask, + (unsigned long long) op->flags); +#endif + /* The major opcodes had better be sorted. Code in the disassembler assumes the insns are sorted according to major opcode. */ - if (PPC_OP (op[0].opcode) < PPC_OP (op[-1].opcode)) + if (new_opcode < old_opcode) { as_bad (_("major opcode is not sorted for %s"), op->name); bad_insn = TRUE; } - - /* Warn if the table isn't more strictly ordered. - Unfortunately it doesn't seem possible to order the - table on much more than the major opcode, which makes - it difficult to implement a binary search in the - disassembler. The problem is that we have multiple - ways to disassemble instructions, and we usually want - to choose a more specific form (with more bits set in - the opcode) than a more general form. eg. all of the - following are equivalent: - bne label # opcode = 0x40820000, mask = 0xff830003 - bf 2,label # opcode = 0x40800000, mask = 0xff800003 - bc 4,2,label # opcode = 0x40000000, mask = 0xfc000003 - - There are also cases where the table needs to be out - of order to disassemble the correct instruction for - processor variants. */ - else if (0) - { - unsigned long t1 = op[0].opcode; - unsigned long t2 = op[-1].opcode; - - if (((t1 ^ t2) & 0xfc0007ff) == 0 - && (t1 & 0xfc0006df) == 0x7c000286) - { - /* spr field is split. */ - t1 = ((t1 & ~0x1ff800) - | ((t1 & 0xf800) << 5) | ((t1 & 0x1f0000) >> 5)); - t2 = ((t2 & ~0x1ff800) - | ((t2 & 0xf800) << 5) | ((t2 & 0x1f0000) >> 5)); - } - if (t1 < t2) - as_warn (_("%s (%08lx %08lx) after %s (%08lx %08lx)"), - op[0].name, op[0].opcode, op[0].mask, - op[-1].name, op[-1].opcode, op[-1].mask); - } } + bad_insn |= insn_validate (op); + } + + if ((ppc_cpu & op->flags) != 0 + && !(ppc_cpu & op->deprecated)) + { + const char *retval; - /* The mask had better not trim off opcode bits. */ - if ((op->opcode & omask) != op->opcode) + retval = hash_insert (ppc_hash, op->name, (void *) op); + if (retval != NULL) { - as_bad (_("mask trims opcode bits for %s"), + as_bad (_("duplicate instruction %s"), op->name); bad_insn = TRUE; } + } + } - /* The operands must not overlap the opcode or each other. */ - for (o = op->operands; *o; ++o) - if (*o >= num_powerpc_operands) - { - as_bad (_("operand index error for %s"), - op->name); - bad_insn = TRUE; - } - else - { - const struct powerpc_operand *operand = &powerpc_operands[*o]; - if (operand->shift >= 0) - { - unsigned long mask = operand->bitm << operand->shift; - if (omask & mask) - { - as_bad (_("operand %d overlap in %s"), - (int) (o - op->operands), op->name); - bad_insn = TRUE; - } - omask |= mask; - } - } + if ((ppc_cpu & PPC_OPCODE_ANY) != 0) + for (op = powerpc_opcodes; op < op_end; op++) + hash_insert (ppc_hash, op->name, (void *) op); + + op_end = vle_opcodes + vle_num_opcodes; + for (op = vle_opcodes; op < op_end; op++) + { + if (ENABLE_CHECKING) + { + if (op != vle_opcodes) + { + unsigned old_seg, new_seg; + + old_seg = VLE_OP (op[-1].opcode, op[-1].mask); + old_seg = VLE_OP_TO_SEG (old_seg); + new_seg = VLE_OP (op[0].opcode, op[0].mask); + new_seg = VLE_OP_TO_SEG (new_seg); + +#ifdef PRINT_OPCODE_TABLE + printf ("%-14s\t#%04d\tmajor op: 0x%x\top: 0x%x\tmask: 0x%x\tflags: 0x%llx\n", + op->name, op - powerpc_opcodes, (unsigned int) new_opcode, + (unsigned int) op->opcode, (unsigned int) op->mask, + (unsigned long long) op->flags); +#endif + /* The major opcodes had better be sorted. Code in the + disassembler assumes the insns are sorted according to + major opcode. */ + if (new_seg < old_seg) + { + as_bad (_("major opcode is not sorted for %s"), + op->name); + bad_insn = TRUE; + } + } + + bad_insn |= insn_validate (op); } if ((ppc_cpu & op->flags) != 0 @@ -1540,8 +1651,8 @@ ppc_setup_opcodes (void) } } - if ((ppc_cpu & PPC_OPCODE_ANY) != 0) - for (op = powerpc_opcodes; op < op_end; op++) + if ((ppc_cpu & PPC_OPCODE_VLE) != 0) + for (op = vle_opcodes; op < op_end; op++) hash_insert (ppc_hash, op->name, (void *) op); /* Insert the macros into a hash table. */ @@ -1743,8 +1854,10 @@ ppc_insert_operand (unsigned long insn, if (errmsg != (const char *) NULL) as_bad_where (file, line, "%s", errmsg); } - else + else if (operand->shift >= 0) insn |= ((long) val & operand->bitm) << operand->shift; + else + insn |= ((long) val & operand->bitm) >> -operand->shift; return insn; } @@ -1826,6 +1939,9 @@ ppc_elf_suffix (char **str_p, expressionS *exp_p) MAP32 ("local", BFD_RELOC_PPC_LOCAL24PC), MAP32 ("pltrel", BFD_RELOC_32_PLT_PCREL), MAP32 ("sdarel", BFD_RELOC_GPREL16), + MAP32 ("sdarel@l", BFD_RELOC_PPC_VLE_SDAREL_LO16A), + MAP32 ("sdarel@h", BFD_RELOC_PPC_VLE_SDAREL_HI16A), + MAP32 ("sdarel@ha", BFD_RELOC_PPC_VLE_SDAREL_HA16A), MAP32 ("naddr", BFD_RELOC_PPC_EMB_NADDR32), MAP32 ("naddr16", BFD_RELOC_PPC_EMB_NADDR16), MAP32 ("naddr@l", BFD_RELOC_PPC_EMB_NADDR16_LO), @@ -1835,6 +1951,7 @@ ppc_elf_suffix (char **str_p, expressionS *exp_p) MAP32 ("sda2rel", BFD_RELOC_PPC_EMB_SDA2REL), MAP32 ("sda2i16", BFD_RELOC_PPC_EMB_SDA2I16), MAP32 ("sda21", BFD_RELOC_PPC_EMB_SDA21), + MAP32 ("sda21@l", BFD_RELOC_PPC_VLE_SDA21_LO), MAP32 ("mrkref", BFD_RELOC_PPC_EMB_MRKREF), MAP32 ("relsect", BFD_RELOC_PPC_EMB_RELSEC16), MAP32 ("relsect@l", BFD_RELOC_PPC_EMB_RELST_LO), @@ -2371,6 +2488,22 @@ struct ppc_fixup #define MAX_INSN_FIXUPS (5) +/* Form I16L. */ +#define E_OR2I_INSN 0x7000C000 +#define E_AND2I_DOT_INSN 0x7000C800 +#define E_OR2IS_INSN 0x7000D000 +#define E_LIS_INSN 0x7000E000 +#define E_AND2IS_DOT_INSN 0x7000E800 + +/* Form I16A. */ +#define E_ADD2I_DOT_INSN 0x70008800 +#define E_ADD2IS_INSN 0x70009000 +#define E_CMP16I_INSN 0x70009800 +#define E_MULL2I_INSN 0x7000A000 +#define E_CMPL16I_INSN 0x7000A800 +#define E_CMPH16I_INSN 0x7000B000 +#define E_CMPHL16I_INSN 0x7000B800 + /* This routine is called for each instruction to be assembled. */ void @@ -2388,6 +2521,7 @@ md_assemble (char *str) char *f; int addr_mod; int i; + unsigned int insn_length; #ifdef OBJ_ELF bfd_reloc_code_real_type reloc; #endif @@ -2637,12 +2771,15 @@ md_assemble (char *str) else #endif /* TE_PE */ { - if ((reg_names_p && (operand->flags & PPC_OPERAND_CR) != 0) + if ((reg_names_p + && (((operand->flags & PPC_OPERAND_CR_BIT) != 0) + || ((operand->flags & PPC_OPERAND_CR_REG) != 0))) || !register_name (&ex)) { char save_lex = lex_type['%']; - if ((operand->flags & PPC_OPERAND_CR) != 0) + if (((operand->flags & PPC_OPERAND_CR_REG) != 0) + || (operand->flags & PPC_OPERAND_CR_BIT) != 0) { cr_operand = TRUE; lex_type['%'] |= LEX_BEGIN_NAME; @@ -2810,6 +2947,73 @@ md_assemble (char *str) break; } + /* If VLE-mode convert LO/HI/HA relocations. */ + if (opcode->flags & PPC_OPCODE_VLE) + { + int tmp_insn = insn & opcode->mask; + + int use_d_reloc = (tmp_insn == E_OR2I_INSN + || tmp_insn == E_AND2I_DOT_INSN + || tmp_insn == E_OR2IS_INSN + || tmp_insn == E_LIS_INSN + || tmp_insn == E_AND2IS_DOT_INSN); + + + int use_a_reloc = (tmp_insn == E_ADD2I_DOT_INSN + || tmp_insn == E_ADD2IS_INSN + || tmp_insn == E_CMP16I_INSN + || tmp_insn == E_MULL2I_INSN + || tmp_insn == E_CMPL16I_INSN + || tmp_insn == E_CMPH16I_INSN + || tmp_insn == E_CMPHL16I_INSN); + + switch (reloc) + { + default: + break; + + case BFD_RELOC_PPC_EMB_SDA21: + reloc = BFD_RELOC_PPC_VLE_SDA21; + break; + + case BFD_RELOC_LO16: + if (use_d_reloc) + reloc = BFD_RELOC_PPC_VLE_LO16D; + else if (use_a_reloc) + reloc = BFD_RELOC_PPC_VLE_LO16A; + break; + + case BFD_RELOC_HI16: + if (use_d_reloc) + reloc = BFD_RELOC_PPC_VLE_HI16D; + else if (use_a_reloc) + reloc = BFD_RELOC_PPC_VLE_HI16A; + break; + + case BFD_RELOC_HI16_S: + if (use_d_reloc) + reloc = BFD_RELOC_PPC_VLE_HA16D; + else if (use_a_reloc) + reloc = BFD_RELOC_PPC_VLE_HA16A; + break; + + case BFD_RELOC_PPC_VLE_SDAREL_LO16A: + if (use_d_reloc) + reloc = BFD_RELOC_PPC_VLE_SDAREL_LO16D; + break; + + case BFD_RELOC_PPC_VLE_SDAREL_HI16A: + if (use_d_reloc) + reloc = BFD_RELOC_PPC_VLE_SDAREL_HI16D; + break; + + case BFD_RELOC_PPC_VLE_SDAREL_HA16A: + if (use_d_reloc) + reloc = BFD_RELOC_PPC_VLE_SDAREL_HA16D; + break; + } + } + /* For the absolute forms of branches, convert the PC relative form back into the absolute. */ if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0) @@ -2974,8 +3178,8 @@ md_assemble (char *str) as_bad (_("junk at end of line: `%s'"), str); #ifdef OBJ_ELF - /* Do we need/want a APUinfo section? */ - if ((ppc_cpu & (PPC_OPCODE_E500 | PPC_OPCODE_E500MC)) != 0) + /* Do we need/want an APUinfo section? */ + if ((ppc_cpu & (PPC_OPCODE_E500 | PPC_OPCODE_E500MC | PPC_OPCODE_VLE)) != 0) { /* These are all version "1". */ if (opcode->flags & PPC_OPCODE_SPE) @@ -2992,20 +3196,41 @@ md_assemble (char *str) ppc_apuinfo_section_add (PPC_APUINFO_CACHELCK, 1); if (opcode->flags & PPC_OPCODE_RFMCI) ppc_apuinfo_section_add (PPC_APUINFO_RFMCI, 1); + if (opcode->flags & PPC_OPCODE_VLE) + ppc_apuinfo_section_add (PPC_APUINFO_VLE, 1); } #endif /* Write out the instruction. */ - f = frag_more (4); - addr_mod = frag_now_fix () & 3; + /* Differentiate between two and four byte insns. */ + if (ppc_mach () == bfd_mach_ppc_vle) + { + if (PPC_OP_SE_VLE (insn)) + insn_length = 2; + else + insn_length = 4; + addr_mod = frag_now_fix () & 1; + } + else + { + insn_length = 4; + addr_mod = frag_now_fix () & 3; + } + /* All instructions can start on a 2 byte boundary for VLE. */ + f = frag_more (insn_length); if (frag_now->has_code && frag_now->insn_addr != addr_mod) - as_bad (_("instruction address is not a multiple of 4")); + { + if (ppc_mach() == bfd_mach_ppc_vle) + as_bad (_("instruction address is not a multiple of 2")); + else + as_bad (_("instruction address is not a multiple of 4")); + } frag_now->insn_addr = addr_mod; frag_now->has_code = 1; - md_number_to_chars (f, insn, 4); + md_number_to_chars (f, insn, insn_length); #ifdef OBJ_ELF - dwarf2_emit_insn (4); + dwarf2_emit_insn (insn_length); #endif /* Create any fixups. At this point we do not use a @@ -3049,6 +3274,12 @@ md_assemble (char *str) case BFD_RELOC_LO16: case BFD_RELOC_HI16: case BFD_RELOC_HI16_S: + case BFD_RELOC_PPC_VLE_LO16A: + case BFD_RELOC_PPC_VLE_LO16D: + case BFD_RELOC_PPC_VLE_HI16A: + case BFD_RELOC_PPC_VLE_HI16D: + case BFD_RELOC_PPC_VLE_HA16A: + case BFD_RELOC_PPC_VLE_HA16D: #ifdef OBJ_ELF case BFD_RELOC_PPC64_HIGHER: case BFD_RELOC_PPC64_HIGHER_S: @@ -3068,7 +3299,7 @@ md_assemble (char *str) operand = &powerpc_operands[fixups[i].opindex]; fix_new_exp (frag_now, f - frag_now->fr_literal, - 4, + insn_length, &fixups[i].exp, (operand->flags & PPC_OPERAND_RELATIVE) != 0, ((bfd_reloc_code_real_type) @@ -5953,6 +6184,24 @@ ppc_fix_adjustable (fixS *fix) } #endif +void +ppc_frag_check (struct frag *fragP) +{ + if (!fragP->has_code) + return; + + if (ppc_mach() == bfd_mach_ppc_vle) + { + if (((fragP->fr_address + fragP->insn_addr) & 1) != 0) + as_bad (_("instruction address is not a multiple of 2")); + } + else + { + if (((fragP->fr_address + fragP->insn_addr) & 3) != 0) + as_bad (_("instruction address is not a multiple of 4")); + } +} + /* Implement HANDLE_ALIGN. This writes the NOP pattern into an rs_align_code frag. */ @@ -5962,7 +6211,14 @@ ppc_handle_align (struct frag *fragP) valueT count = (fragP->fr_next->fr_address - (fragP->fr_address + fragP->fr_fix)); - if (count != 0 && (count & 3) == 0) + if (ppc_mach() == bfd_mach_ppc_vle && count != 0 && (count & 1) == 0) + { + char *dest = fragP->fr_literal + fragP->fr_fix; + + fragP->fr_var = 2; + md_number_to_chars (dest, 0x4400, 2); + } + else if (count != 0 && (count & 3) == 0) { char *dest = fragP->fr_literal + fragP->fr_fix; @@ -6117,16 +6373,36 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) value, and stuff the instruction back again. */ where = fixP->fx_frag->fr_literal + fixP->fx_where; if (target_big_endian) - insn = bfd_getb32 ((unsigned char *) where); + { + if (fixP->fx_size == 4) + insn = bfd_getb32 ((unsigned char *) where); + else + insn = bfd_getb16 ((unsigned char *) where); + } else - insn = bfd_getl32 ((unsigned char *) where); + { + if (fixP->fx_size == 4) + insn = bfd_getl32 ((unsigned char *) where); + else + insn = bfd_getl16 ((unsigned char *) where); + } insn = ppc_insert_operand (insn, operand, (offsetT) value, fixP->tc_fix_data.ppc_cpu, fixP->fx_file, fixP->fx_line); if (target_big_endian) - bfd_putb32 ((bfd_vma) insn, (unsigned char *) where); + { + if (fixP->fx_size == 4) + bfd_putb32 ((bfd_vma) insn, (unsigned char *) where); + else + bfd_putb16 ((bfd_vma) insn, (unsigned char *) where); + } else - bfd_putl32 ((bfd_vma) insn, (unsigned char *) where); + { + if (fixP->fx_size == 4) + bfd_putl32 ((bfd_vma) insn, (unsigned char *) where); + else + bfd_putl16 ((bfd_vma) insn, (unsigned char *) where); + } if (fixP->fx_done) /* Nothing else to do here. */ @@ -6152,6 +6428,18 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) fixP->fx_where += 2; #endif } + else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0 + && operand->bitm == 0x1fe + && operand->shift == -1) + fixP->fx_r_type = BFD_RELOC_PPC_VLE_REL8; + else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0 + && operand->bitm == 0xfffe + && operand->shift == 0) + fixP->fx_r_type = BFD_RELOC_PPC_VLE_REL15; + else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0 + && operand->bitm == 0x1fffffe + && operand->shift == 0) + fixP->fx_r_type = BFD_RELOC_PPC_VLE_REL24; else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0 && operand->bitm == 0x3fffffc && operand->shift == 0) @@ -6336,6 +6624,91 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) PPC_HA (value), 2); break; + case BFD_RELOC_PPC_VLE_SDAREL_LO16A: + case BFD_RELOC_PPC_VLE_LO16A: + { + int tval = PPC_VLE_LO16A (value); + valueT oldval = md_chars_to_number ( + fixP->fx_frag->fr_literal + fixP->fx_where, 4); + md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, + (oldval | tval), 4); + } + break; + + case BFD_RELOC_PPC_VLE_SDAREL_LO16D: + case BFD_RELOC_PPC_VLE_LO16D: + { + int tval = PPC_VLE_LO16D (value); + valueT oldval = md_chars_to_number ( + fixP->fx_frag->fr_literal + fixP->fx_where, 4); + md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, + (oldval | tval), 4); + } + break; + + case BFD_RELOC_PPC_VLE_SDAREL_HI16A: + case BFD_RELOC_PPC_VLE_HI16A: + { + int tval = PPC_VLE_HI16A (value); + valueT oldval = md_chars_to_number ( + fixP->fx_frag->fr_literal + fixP->fx_where, 4); + md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, + (oldval | tval), 4); + } + break; + + case BFD_RELOC_PPC_VLE_SDAREL_HI16D: + case BFD_RELOC_PPC_VLE_HI16D: + { + int tval = PPC_VLE_HI16D (value); + valueT oldval = md_chars_to_number ( + fixP->fx_frag->fr_literal + fixP->fx_where, 4); + md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, + (oldval | tval), 4); + } + break; + + case BFD_RELOC_PPC_VLE_SDAREL_HA16A: + case BFD_RELOC_PPC_VLE_HA16A: + { + int tval = PPC_VLE_HA16A (value); + valueT oldval = md_chars_to_number ( + fixP->fx_frag->fr_literal + fixP->fx_where, 4); + md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, + (oldval | tval), 4); + } + break; + + case BFD_RELOC_PPC_VLE_SDAREL_HA16D: + case BFD_RELOC_PPC_VLE_HA16D: + { + int tval = PPC_VLE_HA16D (value); + valueT oldval = md_chars_to_number ( + fixP->fx_frag->fr_literal + fixP->fx_where, 4); + md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, + (oldval | tval), 4); + } + break; + + case BFD_RELOC_PPC_VLE_SDA21_LO: + { + int tval = PPC_LO (value); + valueT oldval = md_chars_to_number ( + fixP->fx_frag->fr_literal + fixP->fx_where, 4); + md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, + (oldval | tval), 4); + } + break; + + case BFD_RELOC_PPC_VLE_SDA21: + { + valueT oldval = md_chars_to_number ( + fixP->fx_frag->fr_literal + fixP->fx_where, 4); + md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where, + (oldval | value), 4); + } + break; + #ifdef OBJ_XCOFF case BFD_RELOC_NONE: break; |