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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.
This commit is contained in:
James Lemke 2012-05-14 19:45:27 +00:00
parent 1f99484812
commit 77009cee1e
5 changed files with 110 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
ChangeLog
View File

@ -1,3 +1,7 @@
2012-05-14 Catherine Moore <clm@codesourcery.com>
* NEWS: Mention PowerPC VLE port.
2012-05-11 Mike Frysinger <vapier@gentoo.org>
* MAINTAINERS (config/): Move to intl/ section.

30
include/elf/ChangeLog
View File

@ -1,3 +1,33 @@
2012-05-14 James Lemke <jwlemke@codesourcery.com>
* ppc.h (SEC_PPC_VLE): Remove.
2012-05-14 Catherine Moore <clm@codesourcery.com>
James Lemke <jwlemke@codesourcery.com>
* 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.
2012-05-11 Georg-Johann Lay <avr@gjlay.de
PR target/13503

27
include/elf/ppc.h
View File

@ -131,6 +131,25 @@ START_RELOC_NUMBERS (elf_ppc_reloc_type)
RELOC_NUMBER (R_PPC_EMB_BIT_FLD, 115)
RELOC_NUMBER (R_PPC_EMB_RELSDA, 116)
/* PowerPC VLE relocations. */
RELOC_NUMBER (R_PPC_VLE_REL8, 216)
RELOC_NUMBER (R_PPC_VLE_REL15, 217)
RELOC_NUMBER (R_PPC_VLE_REL24, 218)
RELOC_NUMBER (R_PPC_VLE_LO16A, 219)
RELOC_NUMBER (R_PPC_VLE_LO16D, 220)
RELOC_NUMBER (R_PPC_VLE_HI16A, 221)
RELOC_NUMBER (R_PPC_VLE_HI16D, 222)
RELOC_NUMBER (R_PPC_VLE_HA16A, 223)
RELOC_NUMBER (R_PPC_VLE_HA16D, 224)
RELOC_NUMBER (R_PPC_VLE_SDA21, 225)
RELOC_NUMBER (R_PPC_VLE_SDA21_LO, 226)
RELOC_NUMBER (R_PPC_VLE_SDAREL_LO16A, 227)
RELOC_NUMBER (R_PPC_VLE_SDAREL_LO16D, 228)
RELOC_NUMBER (R_PPC_VLE_SDAREL_HI16A, 229)
RELOC_NUMBER (R_PPC_VLE_SDAREL_HI16D, 230)
RELOC_NUMBER (R_PPC_VLE_SDAREL_HA16A, 231)
RELOC_NUMBER (R_PPC_VLE_SDAREL_HA16D, 232)
/* Support STT_GNU_IFUNC plt calls. */
RELOC_NUMBER (R_PPC_IRELATIVE, 248)
@ -166,9 +185,11 @@ END_RELOC_NUMBERS (R_PPC_max)
#define EF_PPC_RELOCATABLE 0x00010000 /* PowerPC -mrelocatable flag. */
#define EF_PPC_RELOCATABLE_LIB 0x00008000 /* PowerPC -mrelocatable-lib flag. */
/* This bit is reserved by BFD for processor specific stuff. Name
it properly so that we can easily stay consistent elsewhere. */
#define SEC_PPC_VLE SEC_TIC54X_BLOCK
/* Processor specific program headers, p_flags field. */
#define PF_PPC_VLE 0x10000000 /* PowerPC VLE. */
/* Processor specific section headers, sh_flags field. */
#define SHF_PPC_VLE 0x10000000 /* PowerPC VLE text section. */
/* Processor specific section headers, sh_type field. */

15
include/opcode/ChangeLog
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@ -1,3 +1,18 @@
2012-05-14 Catherine Moore <clm@codesourcery.com>
Maciej W. Rozycki <macro@codesourcery.com>
Rhonda Wittels <rhonda@codesourcery.com>
* 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.
2012-05-03 Sean Keys <skeys@ipdatasys.com>
* xgate.h: Header file for XGATE assembler.

43
include/opcode/ppc.h
View File

@ -65,6 +65,8 @@ struct powerpc_opcode
instructions. */
extern const struct powerpc_opcode powerpc_opcodes[];
extern const int powerpc_num_opcodes;
extern const struct powerpc_opcode vle_opcodes[];
extern const int vle_num_opcodes;
/* Values defined for the flags field of a struct powerpc_opcode. */
@ -183,8 +185,20 @@ extern const int powerpc_num_opcodes;
/* Opcode is supported by Thread management APU */
#define PPC_OPCODE_TMR 0x800000000ull
/* Opcode which is supported by the VLE extension. */
#define PPC_OPCODE_VLE 0x1000000000ull
/* A macro to extract the major opcode from an instruction. */
#define PPC_OP(i) (((i) >> 26) & 0x3f)
/* A macro to determine if the instruction is a 2-byte VLE insn. */
#define PPC_OP_SE_VLE(m) ((m) <= 0xffff)
/* A macro to extract the major opcode from a VLE instruction. */
#define VLE_OP(i,m) (((i) >> ((m) <= 0xffff ? 10 : 26)) & 0x3f)
/* A macro to convert a VLE opcode to a VLE opcode segment. */
#define VLE_OP_TO_SEG(i) ((i) >> 1)
/* The operands table is an array of struct powerpc_operand. */
@ -193,16 +207,22 @@ struct powerpc_operand
/* A bitmask of bits in the operand. */
unsigned int bitm;
/* How far the operand is left shifted in the instruction.
-1 to indicate that BITM and SHIFT cannot be used to determine
where the operand goes in the insn. */
/* The shift operation to be applied to the operand. No shift
is made if this is zero. For positive values, the operand
is shifted left by SHIFT. For negative values, the operand
is shifted right by -SHIFT. Use PPC_OPSHIFT_INV to indicate
that BITM and SHIFT cannot be used to determine where the
operand goes in the insn. */
int shift;
/* Insertion function. This is used by the assembler. To insert an
operand value into an instruction, check this field.
If it is NULL, execute
i |= (op & o->bitm) << o->shift;
if (o->shift >= 0)
i |= (op & o->bitm) << o->shift;
else
i |= (op & o->bitm) >> -o->shift;
(i is the instruction which we are filling in, o is a pointer to
this structure, and op is the operand value).
@ -220,7 +240,10 @@ struct powerpc_operand
extract this operand type from an instruction, check this field.
If it is NULL, compute
op = (i >> o->shift) & o->bitm;
if (o->shift >= 0)
op = (i >> o->shift) & o->bitm;
else
op = (i << -o->shift) & o->bitm;
if ((o->flags & PPC_OPERAND_SIGNED) != 0)
sign_extend (op);
(i is the instruction, o is a pointer to this structure, and op
@ -244,6 +267,11 @@ struct powerpc_operand
extern const struct powerpc_operand powerpc_operands[];
extern const unsigned int num_powerpc_operands;
/* Use with the shift field of a struct powerpc_operand to indicate
that BITM and SHIFT cannot be used to determine where the operand
goes in the insn. */
#define PPC_OPSHIFT_INV (-1 << 31)
/* Values defined for the flags field of a struct powerpc_operand. */
/* This operand takes signed values. */
@ -277,7 +305,7 @@ extern const unsigned int num_powerpc_operands;
cr4 4 cr5 5 cr6 6 cr7 7
These may be combined arithmetically, as in cr2*4+gt. These are
only supported on the PowerPC, not the POWER. */
#define PPC_OPERAND_CR (0x10)
#define PPC_OPERAND_CR_BIT (0x10)
/* This operand names a register. The disassembler uses this to print
register names with a leading 'r'. */
@ -342,6 +370,9 @@ extern const unsigned int num_powerpc_operands;
/* This operand names a vector-scalar unit register. The disassembler
prints these with a leading 'vs'. */
#define PPC_OPERAND_VSR (0x100000)
/* This is a CR FIELD that does not use symbolic names. */
#define PPC_OPERAND_CR_REG (0x200000)
/* The POWER and PowerPC assemblers use a few macros. We keep them
with the operands table for simplicity. The macro table is an