diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/ChangeLog | 126 | ||||
| -rw-r--r-- | include/bfdlink.h | 50 | ||||
| -rw-r--r-- | include/elf/ChangeLog | 11 | ||||
| -rw-r--r-- | include/elf/arm.h | 23 | ||||
| -rw-r--r-- | include/elf/common.h | 1 | ||||
| -rw-r--r-- | include/elf/dwarf2.h | 5 | ||||
| -rw-r--r-- | include/elf/x86-64.h | 4 | ||||
| -rw-r--r-- | include/elf/xtensa.h | 112 | ||||
| -rw-r--r-- | include/opcode/ChangeLog | 10 | ||||
| -rw-r--r-- | include/opcode/arm.h | 5 | ||||
| -rw-r--r-- | include/opcode/crx.h | 7 | ||||
| -rw-r--r-- | include/xtensa-config.h | 15 | ||||
| -rw-r--r-- | include/xtensa-isa-internal.h | 233 | ||||
| -rw-r--r-- | include/xtensa-isa.h | 822 |
14 files changed, 230 insertions, 1194 deletions
diff --git a/include/ChangeLog b/include/ChangeLog index 5f7d36873..fa03f7cd7 100644 --- a/include/ChangeLog +++ b/include/ChangeLog @@ -1,129 +1,3 @@ -2004-10-12 Paul Brook <paul@codesourcery.com> - - * elf/arm.h (EF_ARM_EABI_VER4): Define. - -2004-10-08 Daniel Jacobowitz <dan@debian.org> - - * elf/common.h (PT_SUNW_EH_FRAME): Define. - * elf/x86-64.h (SHT_X86_64_UNWIND): Define. - -2004-10-07 Bob Wilson <bob.wilson@acm.org> - - * xtensa-config.h (XSHAL_USE_ABSOLUTE_LITERALS, - XCHAL_HAVE_PREDICTED_BRANCHES, XCHAL_INST_FETCH_WIDTH): New. - (XCHAL_EXTRA_SA_SIZE, XCHAL_EXTRA_SA_ALIGN): Delete. - - * xtensa-isa-internal.h (ISA_INTERFACE_VERSION): Delete. - (config_sturct struct): Delete. - (XTENSA_OPERAND_IS_REGISTER, XTENSA_OPERAND_IS_PCRELATIVE, - XTENSA_OPERAND_IS_INVISIBLE, XTENSA_OPERAND_IS_UNKNOWN, - XTENSA_OPCODE_IS_BRANCH, XTENSA_OPCODE_IS_JUMP, - XTENSA_OPCODE_IS_LOOP, XTENSA_OPCODE_IS_CALL, - XTENSA_STATE_IS_EXPORTED, XTENSA_INTERFACE_HAS_SIDE_EFFECT): Define. - (xtensa_format_encode_fn, xtensa_get_slot_fn, xtensa_set_slot_fn): New. - (xtensa_insn_decode_fn): Rename to ... - (xtensa_opcode_decode_fn): ... this. - (xtensa_immed_decode_fn, xtensa_immed_encode_fn, xtensa_do_reloc_fn, - xtensa_undo_reloc_fn): Update. - (xtensa_encoding_template_fn): Delete. - (xtensa_opcode_encode_fn, xtensa_format_decode_fn, - xtensa_length_decode_fn): New. - (xtensa_format_internal, xtensa_slot_internal): New types. - (xtensa_operand_internal): Delete operand_kind, inout, isPCRelative, - get_field, and set_field fields. Add name, field_id, regfile, - num_regs, and flags fields. - (xtensa_arg_internal): New type. - (xtensa_iclass_internal): Change operands field to array of - xtensa_arg_internal. Add num_stateOperands, stateOperands, - num_interfaceOperands, and interfaceOperands fields. - (xtensa_opcode_internal): Delete length, template, and iclass fields. - Add iclass_id, flags, encode_fns, num_funcUnit_uses, and funcUnit_uses. - (opname_lookup_entry): Delete. - (xtensa_regfile_internal, xtensa_interface_internal, - xtensa_funcUnit_internal, xtensa_state_internal, - xtensa_sysreg_internal, xtensa_lookup_entry): New. - (xtensa_isa_internal): Replace opcode_table field with opcodes field. - Change type of opname_lookup_table. Delete num_modules, - module_opcode_base, module_decode_fn, config, and has_density fields. - Add num_formats, formats, format_decode_fn, length_decode_fn, - num_slots, slots, num_fields, num_operands, operands, num_iclasses, - iclasses, num_regfiles, regfiles, num_states, states, - state_lookup_table, num_sysregs, sysregs, sysreg_lookup_table, - max_sysreg_num, sysreg_table, num_interfaces, interfaces, - interface_lookup_table, num_funcUnits, funcUnits and - funcUnit_lookup_table fields. - (xtensa_isa_module, xtensa_isa_modules): Delete. - (xtensa_isa_name_compare): New prototype. - (xtisa_errno, xtisa_error_msg): New. - * xtensa-isa.h (XTENSA_ISA_VERSION): Define. - (xtensa_isa): Change type. - (xtensa_operand): Delete. - (xtensa_format, xtensa_regfile, xtensa_state, xtensa_sysreg, - xtensa_interface, xtensa_funcUnit, xtensa_isa_status, - xtensa_funcUnit_use): New types. - (libisa_module_specifier): Delete. - (xtensa_isa_errno, xtensa_isa_error_msg): New prototypes. - (xtensa_insnbuf_free, xtensa_insnbuf_to_chars, - xtensa_insnbuf_from_chars): Update prototypes. - (xtensa_load_isa, xtensa_extend_isa, xtensa_default_isa, - xtensa_insn_maxlength, xtensa_num_opcodes, xtensa_decode_insn, - xtensa_encode_insn, xtensa_insn_length, - xtensa_insn_length_from_first_byte, xtensa_num_operands, - xtensa_operand_kind, xtensa_encode_result, - xtensa_operand_isPCRelative): Delete. - (xtensa_isa_init, xtensa_operand_inout, xtensa_operand_get_field, - xtensa_operand_set_field, xtensa_operand_encode, - xtensa_operand_decode, xtensa_operand_do_reloc, - xtensa_operand_undo_reloc): Update prototypes. - (xtensa_isa_maxlength, xtensa_isa_length_from_chars, - xtensa_isa_num_pipe_stages, xtensa_isa_num_formats, - xtensa_isa_num_opcodes, xtensa_isa_num_regfiles, xtensa_isa_num_states, - xtensa_isa_num_sysregs, xtensa_isa_num_interfaces, - xtensa_isa_num_funcUnits, xtensa_format_name, xtensa_format_lookup, - xtensa_format_decode, xtensa_format_encode, xtensa_format_length, - xtensa_format_num_slots, xtensa_format_slot_nop_opcode, - xtensa_format_get_slot, xtensa_format_set_slot, xtensa_opcode_decode, - xtensa_opcode_encode, xtensa_opcode_is_branch, xtensa_opcode_is_jump, - xtensa_opcode_is_loop, xtensa_opcode_is_call, - xtensa_opcode_num_operands, xtensa_opcode_num_stateOperands, - xtensa_opcode_num_interfaceOperands, xtensa_opcode_num_funcUnit_uses, - xtensa_opcode_funcUnit_use, xtensa_operand_name, - xtensa_operand_is_visible, xtensa_operand_is_register, - xtensa_operand_regfile, xtensa_operand_num_regs, - xtensa_operand_is_known_reg, xtensa_operand_is_PCrelative, - xtensa_stateOperand_state, xtensa_stateOperand_inout, - xtensa_interfaceOperand_interface, xtensa_regfile_lookup, - xtensa_regfile_lookup_shortname, xtensa_regfile_name, - xtensa_regfile_shortname, xtensa_regfile_view_parent, - xtensa_regfile_num_bits, xtensa_regfile_num_entries, - xtensa_state_lookup, xtensa_state_name, xtensa_state_num_bits, - xtensa_state_is_exported, xtensa_sysreg_lookup, - xtensa_sysreg_lookup_name, xtensa_sysreg_name, xtensa_sysreg_number, - xtensa_sysreg_is_user, xtensa_interface_lookup, xtensa_interface_name, - xtensa_interface_num_bits, xtensa_interface_inout, - xtensa_interface_has_side_effect, xtensa_funcUnit_lookup, - xtensa_funcUnit_name, xtensa_funcUnit_num_copies): New prototypes. - * elf/xtensa.h (R_XTENSA_DIFF8, R_XTENSA_DIFF16, R_XTENSA_DIFF32, - R_XTENSA_SLOT*_OP, R_XTENSA_SLOT*_ALT): New relocations. - (XTENSA_PROP_SEC_NAME): Define. - (property_table_entry): Add flags field. - (XTENSA_PROP_*, GET_XTENSA_PROP_*, SET_XTENSA_PROP_*): Define. - -2004-10-07 Jeff Baker <jbaker@qnx.com> - - * bfdlink.h (bfd_link_info): Add bitfield: warn_shared_textrel. - -2004-09-17 Paul Brook <paul@codesourcery.com> - - * elf/arm.h: Remove R_ARM_STKCHK and R_ARM_THM_STKCHK. - Add R_ARM_TARGET2, R_ARM_PREL31, R_ARM_GOT_ABS, R_ARM_GOT_PREL, - R_ARM_GOT_BREL12, R_ARM_GOTOFF12 and R_ARM_GOTRELAX. - -2004-09-17 Alan Modra <amodra@bigpond.net.au> - - * bfdlink.h (struct bfd_link_hash_entry): Move und_next into elements - of union. - 2004-09-13 Aaron W. LaFramboise <aaronavay62@aaronwl.com> * libiberty.h (basename): Prototype for __MINGW32__. diff --git a/include/bfdlink.h b/include/bfdlink.h index db276b02c..5adad790e 100644 --- a/include/bfdlink.h +++ b/include/bfdlink.h @@ -85,6 +85,26 @@ struct bfd_link_hash_entry /* Type of this entry. */ enum bfd_link_hash_type type; + /* Undefined and common symbols are kept in a linked list through + this field. This field is not in the union because that would + force us to remove entries from the list when we changed their + type, which would force the list to be doubly linked, which would + waste more memory. When an undefined or common symbol is + created, it should be added to this list, the head of which is in + the link hash table itself. As symbols are defined, they need + not be removed from the list; anything which reads the list must + doublecheck the symbol type. + + Weak symbols are not kept on this list. + + Defined and defweak symbols use this field as a reference marker. + If the field is not NULL, or this structure is the tail of the + undefined symbol list, the symbol has been referenced. If the + symbol is undefined and becomes defined, this field will + automatically be non-NULL since the symbol will have been on the + undefined symbol list. */ + struct bfd_link_hash_entry *und_next; + /* A union of information depending upon the type. */ union { @@ -92,46 +112,23 @@ struct bfd_link_hash_entry /* bfd_link_hash_undefined, bfd_link_hash_undefweak. */ struct { - /* Undefined and common symbols are kept in a linked list through - this field. This field is present in all of the union element - so that we don't need to remove entries from the list when we - change their type. Removing entries would either require the - list to be doubly linked, which would waste more memory, or - require a traversal. When an undefined or common symbol is - created, it should be added to this list, the head of which is in - the link hash table itself. As symbols are defined, they need - not be removed from the list; anything which reads the list must - doublecheck the symbol type. - - Weak symbols are not kept on this list. - - Defined and defweak symbols use this field as a reference marker. - If the field is not NULL, or this structure is the tail of the - undefined symbol list, the symbol has been referenced. If the - symbol is undefined and becomes defined, this field will - automatically be non-NULL since the symbol will have been on the - undefined symbol list. */ - struct bfd_link_hash_entry *next; bfd *abfd; /* BFD symbol was found in. */ } undef; /* bfd_link_hash_defined, bfd_link_hash_defweak. */ struct { - struct bfd_link_hash_entry *next; - asection *section; /* Symbol section. */ bfd_vma value; /* Symbol value. */ + asection *section; /* Symbol section. */ } def; /* bfd_link_hash_indirect, bfd_link_hash_warning. */ struct { - struct bfd_link_hash_entry *next; struct bfd_link_hash_entry *link; /* Real symbol. */ const char *warning; /* Warning (bfd_link_hash_warning only). */ } i; /* bfd_link_hash_common. */ struct { - struct bfd_link_hash_entry *next; /* The linker needs to know three things about common symbols: the size, the alignment, and the section in which the symbol should be placed. We store the size @@ -141,12 +138,12 @@ struct bfd_link_hash_entry directly because we don't want to increase the size of the union; this structure is a major space user in the linker. */ + bfd_size_type size; /* Common symbol size. */ struct bfd_link_hash_common_entry { unsigned int alignment_power; /* Alignment. */ asection *section; /* Symbol section. */ } *p; - bfd_size_type size; /* Common symbol size. */ } c; } u; }; @@ -308,9 +305,6 @@ struct bfd_link_info /* TRUE if PT_GNU_RELRO segment should be created. */ unsigned int relro: 1; - /* TRUE if we should warn when adding a DT_TEXTREL to a shared object. */ - unsigned int warn_shared_textrel: 1; - /* What to do with unresolved symbols in an object file. When producing executables the default is GENERATE_ERROR. When producing shared libraries the default is IGNORE. The diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog index 7b537b4d4..6b0cf0d4e 100644 --- a/include/elf/ChangeLog +++ b/include/elf/ChangeLog @@ -1,14 +1,3 @@ -2004-10-06 Eric Christopher <echristo@redhat.com> - - * dwarf2.h: Sync with gcc dwarf2.h. Fix typo. - -2004-10-01 Paul Brook <paul@codesourcery.com> - - * arm.h (SHT_ARM_EXIDX): Define. - (ELF_STRING_ARM_unwind, ELF_STRING_ARM_unwind, - ELF_STRING_ARM_unwind_once, ELF_STRING_ARM_unwind_info_once): - Define. - 2004-08-25 Dmitry Diky <diwil@spec.ru> * msp430.h: Add new relocs. diff --git a/include/elf/arm.h b/include/elf/arm.h index 9055f622d..34bde17e9 100644 --- a/include/elf/arm.h +++ b/include/elf/arm.h @@ -51,7 +51,6 @@ #define EF_ARM_EABI_VER1 0x01000000 #define EF_ARM_EABI_VER2 0x02000000 #define EF_ARM_EABI_VER3 0x03000000 -#define EF_ARM_EABI_VER4 0x04000000 /* Local aliases for some flags to match names used by COFF port. */ #define F_INTERWORK EF_ARM_INTERWORK @@ -65,9 +64,6 @@ #define STT_ARM_TFUNC STT_LOPROC /* A Thumb function. */ #define STT_ARM_16BIT STT_HIPROC /* A Thumb label. */ -/* Additional section types. */ -#define SHT_ARM_EXIDX 0x70000001 /* Section holds ARM unwind info. */ - /* ARM-specific values for sh_flags. */ #define SHF_ENTRYSECT 0x10000000 /* Section contains an entry point. */ #define SHF_COMDEF 0x80000000 /* Section may be multiply defined in the input to a link step. */ @@ -134,15 +130,10 @@ START_RELOC_NUMBERS (elf_arm_reloc_type) RELOC_NUMBER (R_ARM_TARGET1, 38) RELOC_NUMBER (R_ARM_ROSEGREL32, 39) RELOC_NUMBER (R_ARM_V4BX, 40) - RELOC_NUMBER (R_ARM_TARGET2, 41) - RELOC_NUMBER (R_ARM_PREL31, 42) + RELOC_NUMBER (R_ARM_STKCHK, 41) + RELOC_NUMBER (R_ARM_THM_STKCHK, 42) FAKE_RELOC (FIRST_INVALID_RELOC2, 43) - FAKE_RELOC (LAST_INVALID_RELOC2, 94) - RELOC_NUMBER (R_ARM_GOT_ABS, 95) - RELOC_NUMBER (R_ARM_GOT_PREL, 96) - RELOC_NUMBER (R_ARM_GOT_BREL12, 97) - RELOC_NUMBER (R_ARM_GOTOFF12, 98) - RELOC_NUMBER (R_ARM_GOTRELAX, 99) + FAKE_RELOC (LAST_INVALID_RELOC2, 99) RELOC_NUMBER (R_ARM_GNU_VTENTRY, 100) RELOC_NUMBER (R_ARM_GNU_VTINHERIT, 101) RELOC_NUMBER (R_ARM_THM_PC11, 102) /* Cygnus extension to abi: Thumb unconditional branch. */ @@ -161,11 +152,5 @@ END_RELOC_NUMBERS (R_ARM_max) /* The name of the note section used to identify arm variants. */ #define ARM_NOTE_SECTION ".note.gnu.arm.ident" - -/* Special section names. */ -#define ELF_STRING_ARM_unwind ".ARM.exidx" -#define ELF_STRING_ARM_unwind_info ".ARM.extab" -#define ELF_STRING_ARM_unwind_once ".gnu.linkonce.armexidx." -#define ELF_STRING_ARM_unwind_info_once ".gnu.linkonce.armextab." - + #endif /* _ELF_ARM_H */ diff --git a/include/elf/common.h b/include/elf/common.h index db92ff6a8..5573fca76 100644 --- a/include/elf/common.h +++ b/include/elf/common.h @@ -290,7 +290,6 @@ #define PT_HIPROC 0x7FFFFFFF /* Processor-specific */ #define PT_GNU_EH_FRAME (PT_LOOS + 0x474e550) /* Frame unwind information */ -#define PT_SUNW_EH_FRAME PT_GNU_EH_FRAME /* Solaris uses the same value */ #define PT_GNU_STACK (PT_LOOS + 0x474e551) /* Stack flags */ #define PT_GNU_RELRO (PT_LOOS + 0x474e552) /* Read-only after relocation */ diff --git a/include/elf/dwarf2.h b/include/elf/dwarf2.h index 94589076f..bede7e297 100644 --- a/include/elf/dwarf2.h +++ b/include/elf/dwarf2.h @@ -4,7 +4,7 @@ 2003 Free Software Foundation, Inc. Written by Gary Funck (gary@intrepid.com) The Ada Joint Program - Office (AJPO), Florida State University and Silicon Graphics Inc. + Office (AJPO), Florida State Unviversity and Silicon Graphics Inc. provided support for this effort -- June 21, 1995. Derived from the DWARF 1 implementation written by Ron Guilmette @@ -605,8 +605,7 @@ enum dwarf_calling_convention { DW_CC_normal = 0x1, DW_CC_program = 0x2, - DW_CC_nocall = 0x3, - DW_CC_GNU_renesas_sh = 0x40 + DW_CC_nocall = 0x3 }; #define DW_CC_lo_user 0x40 diff --git a/include/elf/x86-64.h b/include/elf/x86-64.h index 2252bd0d1..7e9100dba 100644 --- a/include/elf/x86-64.h +++ b/include/elf/x86-64.h @@ -53,8 +53,4 @@ START_RELOC_NUMBERS (elf_x86_64_reloc_type) RELOC_NUMBER (R_X86_64_GNU_VTENTRY, 251) /* GNU C++ hack */ END_RELOC_NUMBERS (R_X86_64_max) -/* Processor specific section types. */ - -#define SHT_X86_64_UNWIND 0x70000001 /* unwind information */ - #endif diff --git a/include/elf/xtensa.h b/include/elf/xtensa.h index 14f991322..6c584c715 100644 --- a/include/elf/xtensa.h +++ b/include/elf/xtensa.h @@ -1,5 +1,5 @@ /* Xtensa ELF support for BFD. - Copyright 2003, 2004 Free Software Foundation, Inc. + Copyright 2003 Free Software Foundation, Inc. Contributed by Bob Wilson (bwilson@tensilica.com) at Tensilica. This file is part of BFD, the Binary File Descriptor library. @@ -42,39 +42,6 @@ START_RELOC_NUMBERS (elf_xtensa_reloc_type) RELOC_NUMBER (R_XTENSA_ASM_SIMPLIFY, 12) RELOC_NUMBER (R_XTENSA_GNU_VTINHERIT, 15) RELOC_NUMBER (R_XTENSA_GNU_VTENTRY, 16) - RELOC_NUMBER (R_XTENSA_DIFF8, 17) - RELOC_NUMBER (R_XTENSA_DIFF16, 18) - RELOC_NUMBER (R_XTENSA_DIFF32, 19) - RELOC_NUMBER (R_XTENSA_SLOT0_OP, 20) - RELOC_NUMBER (R_XTENSA_SLOT1_OP, 21) - RELOC_NUMBER (R_XTENSA_SLOT2_OP, 22) - RELOC_NUMBER (R_XTENSA_SLOT3_OP, 23) - RELOC_NUMBER (R_XTENSA_SLOT4_OP, 24) - RELOC_NUMBER (R_XTENSA_SLOT5_OP, 25) - RELOC_NUMBER (R_XTENSA_SLOT6_OP, 26) - RELOC_NUMBER (R_XTENSA_SLOT7_OP, 27) - RELOC_NUMBER (R_XTENSA_SLOT8_OP, 28) - RELOC_NUMBER (R_XTENSA_SLOT9_OP, 29) - RELOC_NUMBER (R_XTENSA_SLOT10_OP, 30) - RELOC_NUMBER (R_XTENSA_SLOT11_OP, 31) - RELOC_NUMBER (R_XTENSA_SLOT12_OP, 32) - RELOC_NUMBER (R_XTENSA_SLOT13_OP, 33) - RELOC_NUMBER (R_XTENSA_SLOT14_OP, 34) - RELOC_NUMBER (R_XTENSA_SLOT0_ALT, 35) - RELOC_NUMBER (R_XTENSA_SLOT1_ALT, 36) - RELOC_NUMBER (R_XTENSA_SLOT2_ALT, 37) - RELOC_NUMBER (R_XTENSA_SLOT3_ALT, 38) - RELOC_NUMBER (R_XTENSA_SLOT4_ALT, 39) - RELOC_NUMBER (R_XTENSA_SLOT5_ALT, 40) - RELOC_NUMBER (R_XTENSA_SLOT6_ALT, 41) - RELOC_NUMBER (R_XTENSA_SLOT7_ALT, 42) - RELOC_NUMBER (R_XTENSA_SLOT8_ALT, 43) - RELOC_NUMBER (R_XTENSA_SLOT9_ALT, 44) - RELOC_NUMBER (R_XTENSA_SLOT10_ALT, 45) - RELOC_NUMBER (R_XTENSA_SLOT11_ALT, 46) - RELOC_NUMBER (R_XTENSA_SLOT12_ALT, 47) - RELOC_NUMBER (R_XTENSA_SLOT13_ALT, 48) - RELOC_NUMBER (R_XTENSA_SLOT14_ALT, 49) END_RELOC_NUMBERS (R_XTENSA_max) /* Processor-specific flags for the ELF header e_flags field. */ @@ -111,88 +78,11 @@ END_RELOC_NUMBERS (R_XTENSA_max) #define XTENSA_INSN_SEC_NAME ".xt.insn" #define XTENSA_LIT_SEC_NAME ".xt.lit" -#define XTENSA_PROP_SEC_NAME ".xt.prop" typedef struct property_table_entry_t { bfd_vma address; bfd_vma size; - flagword flags; } property_table_entry; -/* Flags in the property tables to specify whether blocks of memory are - literals, instructions, data, or unreachable. For instructions, - blocks that begin loop targets and branch targets are designated. - Blocks that do not allow density instructions, instruction reordering - or transformation are also specified. Finally, for branch targets, - branch target alignment priority is included. Alignment of the next - block is specified in the current block and the size of the current - block does not include any fill required to align to the next - block. */ - -#define XTENSA_PROP_LITERAL 0x00000001 -#define XTENSA_PROP_INSN 0x00000002 -#define XTENSA_PROP_DATA 0x00000004 -#define XTENSA_PROP_UNREACHABLE 0x00000008 -/* Instruction-only properties at beginning of code. */ -#define XTENSA_PROP_INSN_LOOP_TARGET 0x00000010 -#define XTENSA_PROP_INSN_BRANCH_TARGET 0x00000020 -/* Instruction-only properties about code. */ -#define XTENSA_PROP_INSN_NO_DENSITY 0x00000040 -#define XTENSA_PROP_INSN_NO_REORDER 0x00000080 -#define XTENSA_PROP_INSN_NO_TRANSFORM 0x00000100 - -/* Branch target alignment information. This transmits information - to the linker optimization about the priority of aligning a - particular block for branch target alignment: None, low priority, - high priority, or required. These only need to be checked in - instruction blocks marked as XTENSA_PROP_INSN_BRANCH_TARGET. - Common usage is: - - switch (GET_XTENSA_PROP_BT_ALIGN(flags)) - case XTENSA_PROP_BT_ALIGN_NONE: - case XTENSA_PROP_BT_ALIGN_LOW: - case XTENSA_PROP_BT_ALIGN_HIGH: - case XTENSA_PROP_BT_ALIGN_REQUIRE: -*/ -#define XTENSA_PROP_BT_ALIGN_MASK 0x00000600 - -/* No branch target alignment. */ -#define XTENSA_PROP_BT_ALIGN_NONE 0x0 -/* Low priority branch target alignment. */ -#define XTENSA_PROP_BT_ALIGN_LOW 0x1 -/* High priority branch target alignment. */ -#define XTENSA_PROP_BT_ALIGN_HIGH 0x2 -/* Required branch target alignment. */ -#define XTENSA_PROP_BT_ALIGN_REQUIRE 0x3 - -#define GET_XTENSA_PROP_BT_ALIGN(flag) \ - (((unsigned)((flag) & (XTENSA_PROP_BT_ALIGN_MASK))) >> 9) -#define SET_XTENSA_PROP_BT_ALIGN(flag, align) \ - (((flag) & (~XTENSA_PROP_BT_ALIGN_MASK)) | \ - (((align) << 9) & XTENSA_PROP_BT_ALIGN_MASK)) - -/* Alignment is specified in the block BEFORE the one that needs - alignment. Up to 5 bits. Use GET_XTENSA_PROP_ALIGNMENT(flags) to - get the required alignment specified as a power of 2. Use - SET_XTENSA_PROP_ALIGNMENT(flags, pow2) to set the required - alignment. Be careful of side effects since the SET will evaluate - flags twice. Also, note that the SIZE of a block in the property - table does not include the alignment size, so the alignment fill - must be calculated to determine if two blocks are contiguous. - TEXT_ALIGN is not currently implemented but is a placeholder for a - possible future implementation. */ - -#define XTENSA_PROP_ALIGN 0x00000800 - -#define XTENSA_PROP_ALIGNMENT_MASK 0x0001f000 - -#define GET_XTENSA_PROP_ALIGNMENT(flag) \ - (((unsigned)((flag) & (XTENSA_PROP_ALIGNMENT_MASK))) >> 12) -#define SET_XTENSA_PROP_ALIGNMENT(flag, align) \ - (((flag) & (~XTENSA_PROP_ALIGNMENT_MASK)) | \ - (((align) << 12) & XTENSA_PROP_ALIGNMENT_MASK)) - -#define XTENSA_PROP_INSN_ABSLIT 0x00020000 - #endif /* _ELF_XTENSA_H */ diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog index 4eb834853..462165c45 100644 --- a/include/opcode/ChangeLog +++ b/include/opcode/ChangeLog @@ -1,13 +1,3 @@ -2004-10-07 Tomer Levi <Tomer.Levi@nsc.com> - - * crx.h: Add COPS_REG_INS - Coprocessor Special register - instruction type. - -2004-09-30 Paul Brook <paul@codesourcery.com> - - * arm.h (ARM_EXT_V6K, ARM_EXT_V6Z): Define. - (ARM_ARCH_V6K, ARM_ARCH_V6Z, ARM_ARCH_V6ZK): Define. - 2004-09-11 Theodore A. Roth <troth@openavr.org> * avr.h: Add support for diff --git a/include/opcode/arm.h b/include/opcode/arm.h index dd90e2ac6..6ccccbd4e 100644 --- a/include/opcode/arm.h +++ b/include/opcode/arm.h @@ -32,8 +32,6 @@ #define ARM_EXT_V5E 0x00000400 /* DSP Double transfers. */ #define ARM_EXT_V5J 0x00000800 /* Jazelle extension. */ #define ARM_EXT_V6 0x00001000 /* ARM V6. */ -#define ARM_EXT_V6K 0x00002000 /* ARM V6K. */ -#define ARM_EXT_V6Z 0x00004000 /* ARM V6Z. */ /* Co-processor space extensions. */ #define ARM_CEXT_XSCALE 0x00800000 /* Allow MIA etc. */ @@ -62,9 +60,6 @@ #define ARM_ARCH_V5TE (ARM_ARCH_V5TExP | ARM_EXT_V5E) #define ARM_ARCH_V5TEJ (ARM_ARCH_V5TE | ARM_EXT_V5J) #define ARM_ARCH_V6 (ARM_ARCH_V5TEJ | ARM_EXT_V6) -#define ARM_ARCH_V6K (ARM_ARCH_V6 | ARM_EXT_V6K) -#define ARM_ARCH_V6Z (ARM_ARCH_V6 | ARM_EXT_V6Z) -#define ARM_ARCH_V6ZK (ARM_ARCH_V6 | ARM_EXT_V6K | ARM_EXT_V6Z) /* Processors with specific extensions in the co-processor space. */ #define ARM_ARCH_XSCALE (ARM_ARCH_V5TE | ARM_CEXT_XSCALE) diff --git a/include/opcode/crx.h b/include/opcode/crx.h index 58db2f8b3..1e0d5733a 100644 --- a/include/opcode/crx.h +++ b/include/opcode/crx.h @@ -168,10 +168,9 @@ operand_type; #define DIV_INS 14 #define COP_BRANCH_INS 15 #define COP_REG_INS 16 -#define COPS_REG_INS 17 -#define DCR_BRANCH_INS 18 -#define MMC_INS 19 -#define MMU_INS 20 +#define DCR_BRANCH_INS 17 +#define MMC_INS 18 +#define MMU_INS 19 /* Maximum value supported for instruction types. */ #define CRX_INS_MAX (1 << 5) diff --git a/include/xtensa-config.h b/include/xtensa-config.h index 4ef5d6427..4191c3685 100644 --- a/include/xtensa-config.h +++ b/include/xtensa-config.h @@ -1,5 +1,5 @@ /* Xtensa configuration settings. - Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc. + Copyright (C) 2001,2002,2003 Free Software Foundation, Inc. Contributed by Bob Wilson (bwilson@tensilica.com) at Tensilica. This program is free software; you can redistribute it and/or modify @@ -42,9 +42,6 @@ #undef XCHAL_HAVE_L32R #define XCHAL_HAVE_L32R 1 -#undef XSHAL_USE_ABSOLUTE_LITERALS -#define XSHAL_USE_ABSOLUTE_LITERALS 0 - #undef XCHAL_HAVE_MAC16 #define XCHAL_HAVE_MAC16 0 @@ -90,9 +87,6 @@ #undef XCHAL_HAVE_WINDOWED #define XCHAL_HAVE_WINDOWED 1 -#undef XCHAL_HAVE_PREDICTED_BRANCHES -#define XCHAL_HAVE_PREDICTED_BRANCHES 0 - #undef XCHAL_ICACHE_SIZE #define XCHAL_ICACHE_SIZE 8192 @@ -136,7 +130,10 @@ #define XCHAL_DEBUGLEVEL 4 -#undef XCHAL_INST_FETCH_WIDTH -#define XCHAL_INST_FETCH_WIDTH 4 +#undef XCHAL_EXTRA_SA_SIZE +#define XCHAL_EXTRA_SA_SIZE 0 + +#undef XCHAL_EXTRA_SA_ALIGN +#define XCHAL_EXTRA_SA_ALIGN 1 #endif /* !XTENSA_CONFIG_H */ diff --git a/include/xtensa-isa-internal.h b/include/xtensa-isa-internal.h index 50ac4781c..7f221eae4 100644 --- a/include/xtensa-isa-internal.h +++ b/include/xtensa-isa-internal.h @@ -1,5 +1,5 @@ /* Internal definitions for configurable Xtensa ISA support. - Copyright 2003, 2004 Free Software Foundation, Inc. + Copyright 2003 Free Software Foundation, Inc. This file is part of BFD, the Binary File Descriptor library. @@ -17,215 +17,98 @@ along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#ifndef XTENSA_ISA_INTERNAL_H -#define XTENSA_ISA_INTERNAL_H +/* Use the statically-linked version for the GNU tools. */ +#define STATIC_LIBISA 1 -/* Flags. */ +#define ISA_INTERFACE_VERSION 3 -#define XTENSA_OPERAND_IS_REGISTER 0x00000001 -#define XTENSA_OPERAND_IS_PCRELATIVE 0x00000002 -#define XTENSA_OPERAND_IS_INVISIBLE 0x00000004 -#define XTENSA_OPERAND_IS_UNKNOWN 0x00000008 - -#define XTENSA_OPCODE_IS_BRANCH 0x00000001 -#define XTENSA_OPCODE_IS_JUMP 0x00000002 -#define XTENSA_OPCODE_IS_LOOP 0x00000004 -#define XTENSA_OPCODE_IS_CALL 0x00000008 - -#define XTENSA_STATE_IS_EXPORTED 0x00000001 +struct config_struct +{ + char *param_name; + char *param_value; +}; -#define XTENSA_INTERFACE_HAS_SIDE_EFFECT 0x00000001 +/* Encode/decode function types for immediate operands. */ +typedef uint32 (*xtensa_immed_decode_fn) (uint32); +typedef xtensa_encode_result (*xtensa_immed_encode_fn) (uint32 *); -/* Function pointer typedefs */ -typedef void (*xtensa_format_encode_fn) (xtensa_insnbuf); -typedef void (*xtensa_get_slot_fn) (const xtensa_insnbuf, xtensa_insnbuf); -typedef void (*xtensa_set_slot_fn) (xtensa_insnbuf, const xtensa_insnbuf); -typedef int (*xtensa_opcode_decode_fn) (const xtensa_insnbuf); +/* Field accessor function types. */ typedef uint32 (*xtensa_get_field_fn) (const xtensa_insnbuf); typedef void (*xtensa_set_field_fn) (xtensa_insnbuf, uint32); -typedef int (*xtensa_immed_decode_fn) (uint32 *); -typedef int (*xtensa_immed_encode_fn) (uint32 *); -typedef int (*xtensa_do_reloc_fn) (uint32 *, uint32); -typedef int (*xtensa_undo_reloc_fn) (uint32 *, uint32); -typedef void (*xtensa_opcode_encode_fn) (xtensa_insnbuf); -typedef int (*xtensa_format_decode_fn) (const xtensa_insnbuf); -typedef int (*xtensa_length_decode_fn) (const char *); - -typedef struct xtensa_format_internal_struct -{ - const char *name; /* Instruction format name. */ - int length; /* Instruction length in bytes. */ - xtensa_format_encode_fn encode_fn; - int num_slots; - int *slot_id; /* Array[num_slots] of slot IDs. */ -} xtensa_format_internal; - -typedef struct xtensa_slot_internal_struct -{ - const char *name; /* Not necessarily unique. */ - const char *format; - int position; - xtensa_get_slot_fn get_fn; - xtensa_set_slot_fn set_fn; - xtensa_get_field_fn *get_field_fns; /* Array[field_id]. */ - xtensa_set_field_fn *set_field_fns; /* Array[field_id]. */ - xtensa_opcode_decode_fn opcode_decode_fn; - const char *nop_name; -} xtensa_slot_internal; + +/* PC-relative relocation function types. */ +typedef uint32 (*xtensa_do_reloc_fn) (uint32, uint32); +typedef uint32 (*xtensa_undo_reloc_fn) (uint32, uint32); + +/* Instruction decode function type. */ +typedef int (*xtensa_insn_decode_fn) (const xtensa_insnbuf); + +/* Instruction encoding template function type (each of these functions + returns a constant template; they exist only to make it easier for the + TIE compiler to generate endian-independent DLLs). */ +typedef xtensa_insnbuf (*xtensa_encoding_template_fn) (void); + typedef struct xtensa_operand_internal_struct { - const char *name; - int field_id; - xtensa_regfile regfile; /* Register file. */ - int num_regs; /* Usually 1; 2 for reg pairs, etc. */ - uint32 flags; /* See XTENSA_OPERAND_* flags. */ + char *operand_kind; /* e.g., "a", "f", "i", "l".... */ + char inout; /* '<', '>', or '='. */ + char isPCRelative; /* Is this a PC-relative offset? */ + xtensa_get_field_fn get_field; /* Get encoded value of the field. */ + xtensa_set_field_fn set_field; /* Set field with an encoded value. */ xtensa_immed_encode_fn encode; /* Encode the operand value. */ xtensa_immed_decode_fn decode; /* Decode the value from the field. */ - xtensa_do_reloc_fn do_reloc; /* Perform a PC-relative reloc. */ + xtensa_do_reloc_fn do_reloc; /* Perform a PC-relative relocation. */ xtensa_undo_reloc_fn undo_reloc; /* Undo a PC-relative relocation. */ } xtensa_operand_internal; -typedef struct xtensa_arg_internal_struct -{ - union { - int operand_id; /* For normal operands. */ - xtensa_state state; /* For stateOperands. */ - } u; - char inout; /* Direction: 'i', 'o', or 'm'. */ -} xtensa_arg_internal; typedef struct xtensa_iclass_internal_struct { int num_operands; /* Size of "operands" array. */ - xtensa_arg_internal *operands; /* Array[num_operands]. */ - - int num_stateOperands; /* Size of "stateOperands" array. */ - xtensa_arg_internal *stateOperands; /* Array[num_stateOperands]. */ - - int num_interfaceOperands; /* Size of "interfaceOperands". */ - xtensa_interface *interfaceOperands; /* Array[num_interfaceOperands]. */ + xtensa_operand_internal **operands; /* Array of operand structures. */ } xtensa_iclass_internal; + typedef struct xtensa_opcode_internal_struct { const char *name; /* Opcode mnemonic. */ - int iclass_id; /* Iclass for this opcode. */ - uint32 flags; /* See XTENSA_OPCODE_* flags. */ - xtensa_opcode_encode_fn *encode_fns; /* Array[slot_id]. */ - int num_funcUnit_uses; /* Number of funcUnit_use entries. */ - xtensa_funcUnit_use *funcUnit_uses; /* Array[num_funcUnit_uses]. */ + int length; /* Length in bytes of the insn. */ + xtensa_encoding_template_fn template; /* Fn returning encoding template. */ + xtensa_iclass_internal *iclass; /* Iclass for this opcode. */ } xtensa_opcode_internal; -typedef struct xtensa_regfile_internal_struct -{ - const char *name; /* Full name of the regfile. */ - const char *shortname; /* Abbreviated name. */ - xtensa_regfile parent; /* View parent (or identity). */ - int num_bits; /* Width of the registers. */ - int num_entries; /* Number of registers. */ -} xtensa_regfile_internal; - -typedef struct xtensa_interface_internal_struct -{ - const char *name; /* Interface name. */ - int num_bits; /* Width of the interface. */ - uint32 flags; /* See XTENSA_INTERFACE_* flags. */ - char inout; /* "i" or "o". */ -} xtensa_interface_internal; - -typedef struct xtensa_funcUnit_internal_struct -{ - const char *name; /* Functional unit name. */ - int num_copies; /* Number of instances. */ -} xtensa_funcUnit_internal; -typedef struct xtensa_state_internal_struct +typedef struct opname_lookup_entry_struct { - const char *name; /* State name. */ - int num_bits; /* Number of state bits. */ - uint32 flags; /* See XTENSA_STATE_* flags. */ -} xtensa_state_internal; + const char *key; /* Opcode mnemonic. */ + xtensa_opcode opcode; /* Internal opcode number. */ +} opname_lookup_entry; -typedef struct xtensa_sysreg_internal_struct -{ - const char *name; /* Register name. */ - int number; /* Register number. */ - int is_user; /* Non-zero if a "user register". */ -} xtensa_sysreg_internal; - -typedef struct xtensa_lookup_entry_struct -{ - const char *key; - union - { - xtensa_opcode opcode; /* Internal opcode number. */ - xtensa_sysreg sysreg; /* Internal sysreg number. */ - xtensa_state state; /* Internal state number. */ - xtensa_interface intf; /* Internal interface number. */ - xtensa_funcUnit fun; /* Internal funcUnit number. */ - } u; -} xtensa_lookup_entry; typedef struct xtensa_isa_internal_struct { int is_big_endian; /* Endianness. */ int insn_size; /* Maximum length in bytes. */ int insnbuf_size; /* Number of insnbuf_words. */ - - int num_formats; - xtensa_format_internal *formats; - xtensa_format_decode_fn format_decode_fn; - xtensa_length_decode_fn length_decode_fn; - - int num_slots; - xtensa_slot_internal *slots; - - int num_fields; - - int num_operands; - xtensa_operand_internal *operands; - - int num_iclasses; - xtensa_iclass_internal *iclasses; - - int num_opcodes; - xtensa_opcode_internal *opcodes; - xtensa_lookup_entry *opname_lookup_table; - - int num_regfiles; - xtensa_regfile_internal *regfiles; - - int num_states; - xtensa_state_internal *states; - xtensa_lookup_entry *state_lookup_table; - - int num_sysregs; - xtensa_sysreg_internal *sysregs; - xtensa_lookup_entry *sysreg_lookup_table; - - /* The current Xtensa ISA only supports 256 of each kind of sysreg so - we can get away with implementing lookups with tables indexed by - the register numbers. If we ever allow larger sysreg numbers, this - may have to be reimplemented. The first entry in the following - arrays corresponds to "special" registers and the second to "user" - registers. */ - int max_sysreg_num[2]; - xtensa_sysreg *sysreg_table[2]; - - int num_interfaces; - xtensa_interface_internal *interfaces; - xtensa_lookup_entry *interface_lookup_table; - - int num_funcUnits; - xtensa_funcUnit_internal *funcUnits; - xtensa_lookup_entry *funcUnit_lookup_table; - + int num_opcodes; /* Total number for all modules. */ + xtensa_opcode_internal **opcode_table;/* Indexed by internal opcode #. */ + int num_modules; /* Number of modules (DLLs) loaded. */ + int *module_opcode_base; /* Starting opcode # for each module. */ + xtensa_insn_decode_fn *module_decode_fn; /* Decode fn for each module. */ + opname_lookup_entry *opname_lookup_table; /* Lookup table for each module. */ + struct config_struct *config; /* Table of configuration parameters. */ + int has_density; /* Is density option available? */ } xtensa_isa_internal; -extern int xtensa_isa_name_compare (const void *, const void *); -extern xtensa_isa_status xtisa_errno; -extern char xtisa_error_msg[]; +typedef struct xtensa_isa_module_struct +{ + int (*get_num_opcodes_fn) (void); + xtensa_opcode_internal **(*get_opcodes_fn) (void); + int (*decode_insn_fn) (const xtensa_insnbuf); + struct config_struct *(*get_config_table_fn) (void); +} xtensa_isa_module; + +extern xtensa_isa_module xtensa_isa_modules[]; -#endif /* !XTENSA_ISA_INTERNAL_H */ diff --git a/include/xtensa-isa.h b/include/xtensa-isa.h index 2dc11b924..54f750c9a 100644 --- a/include/xtensa-isa.h +++ b/include/xtensa-isa.h @@ -1,5 +1,5 @@ /* Interface definition for configurable Xtensa ISA support. - Copyright 2003, 2004 Free Software Foundation, Inc. + Copyright 2003 Free Software Foundation, Inc. This file is part of BFD, the Binary File Descriptor library. @@ -20,763 +20,209 @@ #ifndef XTENSA_LIBISA_H #define XTENSA_LIBISA_H -#ifdef __cplusplus -extern "C" { -#endif - /* Use the statically-linked version for the GNU tools. */ #define STATIC_LIBISA 1 -/* Version number: This is intended to help support code that works with - versions of this library from multiple Xtensa releases. */ - -#define XTENSA_ISA_VERSION 7000 +#ifdef __cplusplus +extern "C" { +#endif #ifndef uint32 #define uint32 unsigned int #endif -/* This file defines the interface to the Xtensa ISA library. This - library contains most of the ISA-specific information for a - particular Xtensa processor. For example, the set of valid - instructions, their opcode encodings and operand fields are all - included here. +/* This file defines the interface to the Xtensa ISA library. This library + contains most of the ISA-specific information for a particular Xtensa + processor. For example, the set of valid instructions, their opcode + encodings and operand fields are all included here. To support Xtensa's + configurability and user-defined instruction extensions (i.e., TIE), the + library is initialized by loading one or more dynamic libraries; only a + small set of interface code is present in the statically-linked portion + of the library. - This interface basically defines a number of abstract data types. + This interface basically defines four abstract data types. . an instruction buffer - for holding the raw instruction bits . ISA info - information about the ISA as a whole - . instruction formats - instruction size and slot structure - . opcodes - information about individual instructions - . operands - information about register and immediate instruction operands - . stateOperands - information about processor state instruction operands - . interfaceOperands - information about interface instruction operands - . register files - register file information - . processor states - internal processor state information - . system registers - "special registers" and "user registers" - . interfaces - TIE interfaces that are external to the processor - . functional units - TIE shared functions - - The interface defines a set of functions to access each data type. - With the exception of the instruction buffer, the internal - representations of the data structures are hidden. All accesses must - be made through the functions defined here. */ - -typedef struct xtensa_isa_opaque { int unused; } *xtensa_isa; - - -/* Opcodes, formats, regfiles, states, sysregs, ctypes, and protos are - represented here using sequential integers beginning with 0. The - specific values are only fixed for a particular instantiation of an - xtensa_isa structure, so these values should only be used - internally. */ - -typedef int xtensa_opcode; -typedef int xtensa_format; -typedef int xtensa_regfile; -typedef int xtensa_state; -typedef int xtensa_sysreg; -typedef int xtensa_interface; -typedef int xtensa_funcUnit; - - -/* Define a unique value for undefined items. */ + . opcode info - information about individual instructions + . operand info - information about specific instruction operands -#define XTENSA_UNDEFINED -1 + It would be nice to implement these as classes in C++, but the library is + implemented in C to match the expectations of the GNU tools. + Instead, the interface defines a set of functions to access each data + type. With the exception of the instruction buffer, the internal + representations of the data structures are hidden. All accesses must be + made through the functions defined here. */ +typedef void* xtensa_isa; +typedef void* xtensa_operand; -/* Overview of using this interface to decode/encode instructions: - - Each Xtensa instruction is associated with a particular instruction - format, where the format defines a fixed number of slots for - operations. The formats for the core Xtensa ISA have only one slot, - but FLIX instructions may have multiple slots. Within each slot, - there is a single opcode and some number of associated operands. - - The encoding and decoding functions operate on instruction buffers, - not on the raw bytes of the instructions. The same instruction - buffer data structure is used for both entire instructions and - individual slots in those instructions -- the contents of a slot need - to be extracted from or inserted into the buffer for the instruction - as a whole. - - Decoding an instruction involves first finding the format, which - identifies the number of slots, and then decoding each slot - separately. A slot is decoded by finding the opcode and then using - the opcode to determine how many operands there are. For example: - - xtensa_insnbuf_from_chars - xtensa_format_decode - for each slot { - xtensa_format_get_slot - xtensa_opcode_decode - for each operand { - xtensa_operand_get_field - xtensa_operand_decode - } - } - - Encoding an instruction is roughly the same procedure in reverse: - - xtensa_format_encode - for each slot { - xtensa_opcode_encode - for each operand { - xtensa_operand_encode - xtensa_operand_set_field - } - xtensa_format_set_slot - } - xtensa_insnbuf_to_chars -*/ - - -/* Error handling. */ - -/* Error codes. The code for the most recent error condition can be - retrieved with the "errno" function. For any result other than - xtensa_isa_ok, an error message containing additional information - about the problem can be retrieved using the "error_msg" function. - The error messages are stored in an internal buffer, which should not - should be freed and may be overwritten by subsequent operations. */ - -typedef enum xtensa_isa_status_enum -{ - xtensa_isa_ok = 0, - xtensa_isa_bad_format, - xtensa_isa_bad_slot, - xtensa_isa_bad_opcode, - xtensa_isa_bad_operand, - xtensa_isa_bad_field, - xtensa_isa_bad_iclass, - xtensa_isa_bad_regfile, - xtensa_isa_bad_sysreg, - xtensa_isa_bad_state, - xtensa_isa_bad_interface, - xtensa_isa_bad_funcUnit, - xtensa_isa_wrong_slot, - xtensa_isa_no_field, - xtensa_isa_out_of_memory, - xtensa_isa_buffer_overflow, - xtensa_isa_internal_error, - xtensa_isa_bad_value -} xtensa_isa_status; - -extern xtensa_isa_status -xtensa_isa_errno (xtensa_isa isa); - -extern char * -xtensa_isa_error_msg (xtensa_isa isa); - - -/* Instruction buffers. */ -typedef uint32 xtensa_insnbuf_word; -typedef xtensa_insnbuf_word *xtensa_insnbuf; +/* Opcodes are represented here using sequential integers beginning with 0. + The specific value used for a particular opcode is only fixed for a + particular instantiation of an xtensa_isa structure, so these values + should only be used internally. */ +typedef int xtensa_opcode; +/* Define a unique value for undefined opcodes ("static const int" doesn't + seem to work for this because EGCS 1.0.3 on i686-Linux without -O won't + allow it to be used as an initializer). */ +#define XTENSA_UNDEFINED -1 -/* Get the size in "insnbuf_words" of the xtensa_insnbuf array. */ -extern int -xtensa_insnbuf_size (xtensa_isa isa); +typedef int libisa_module_specifier; +extern xtensa_isa xtensa_isa_init (void); -/* Allocate an xtensa_insnbuf of the right size. */ -extern xtensa_insnbuf -xtensa_insnbuf_alloc (xtensa_isa isa); +/* Instruction buffers. */ +typedef uint32 xtensa_insnbuf_word; +typedef xtensa_insnbuf_word *xtensa_insnbuf; -/* Release an xtensa_insnbuf. */ +/* Get the size in words of the xtensa_insnbuf array. */ +extern int xtensa_insnbuf_size (xtensa_isa); -extern void -xtensa_insnbuf_free (xtensa_isa isa, xtensa_insnbuf buf); +/* Allocate (with malloc) an xtensa_insnbuf of the right size. */ +extern xtensa_insnbuf xtensa_insnbuf_alloc (xtensa_isa); +/* Release (with free) an xtensa_insnbuf of the right size. */ +extern void xtensa_insnbuf_free (xtensa_insnbuf); -/* Conversion between raw memory (char arrays) and our internal - instruction representation. This is complicated by the Xtensa ISA's - variable instruction lengths. When converting to chars, the buffer - must contain a valid instruction so we know how many bytes to copy; - thus, the "to_chars" function returns the number of bytes copied or - XTENSA_UNDEFINED on error. The "from_chars" function first reads the - minimal number of bytes required to decode the instruction length and - then proceeds to copy the entire instruction into the buffer; if the - memory does not contain a valid instruction, it copies the maximum - number of bytes required for the longest Xtensa instruction. The - "num_chars" argument may be used to limit the number of bytes that - can be read or written. Otherwise, if "num_chars" is zero, the - functions may read or write past the end of the code. */ +/* Inward and outward conversion from memory images (byte streams) to our + internal instruction representation. */ +extern void xtensa_insnbuf_to_chars (xtensa_isa, const xtensa_insnbuf, + char *); -extern int -xtensa_insnbuf_to_chars (xtensa_isa isa, const xtensa_insnbuf insn, - char *cp, int num_chars); +extern void xtensa_insnbuf_from_chars (xtensa_isa, xtensa_insnbuf, + const char *); -extern void -xtensa_insnbuf_from_chars (xtensa_isa isa, xtensa_insnbuf insn, - const char *cp, int num_chars); - /* ISA information. */ -/* Initialize the ISA information. */ - -extern xtensa_isa -xtensa_isa_init (xtensa_isa_status *errno_p, char **error_msg_p); +/* Load the ISA information from a shared library. If successful, this returns + a value which identifies the ISA for use in subsequent calls to the ISA + library; otherwise, it returns NULL. Multiple ISAs can be loaded to support + heterogeneous multiprocessor systems. */ +extern xtensa_isa xtensa_load_isa (libisa_module_specifier); +/* Extend an existing set of ISA information by loading an additional shared + library of ISA information. This is primarily intended for loading TIE + extensions. If successful, the return value is non-zero. */ +extern int xtensa_extend_isa (xtensa_isa, libisa_module_specifier); -/* Deallocate an xtensa_isa structure. */ +/* The default ISA. This variable is set automatically to the ISA most + recently loaded and is provided as a convenience. An exception is the GNU + opcodes library, where there is a fixed interface that does not allow + passing the ISA as a parameter and the ISA must be taken from this global + variable. (Note: Since this variable is just a convenience, it is not + exported when libisa is built as a DLL, due to the hassle of dealing with + declspecs.) */ +extern xtensa_isa xtensa_default_isa; -extern void -xtensa_isa_free (xtensa_isa isa); +/* Deallocate an xtensa_isa structure. */ +extern void xtensa_isa_free (xtensa_isa); /* Get the maximum instruction size in bytes. */ +extern int xtensa_insn_maxlength (xtensa_isa); -extern int -xtensa_isa_maxlength (xtensa_isa isa); - - -/* Decode the length in bytes of an instruction in raw memory (not an - insnbuf). This function reads only the minimal number of bytes - required to decode the instruction length. Returns - XTENSA_UNDEFINED on error. */ - -extern int -xtensa_isa_length_from_chars (xtensa_isa isa, const char *cp); - - -/* Get the number of stages in the processor's pipeline. The pipeline - stage values returned by other functions in this library will range - from 0 to N-1, where N is the value returned by this function. - Note that the stage numbers used here may not correspond to the - actual processor hardware, e.g., the hardware may have additional - stages before stage 0. Returns XTENSA_UNDEFINED on error. */ - -extern int -xtensa_isa_num_pipe_stages (xtensa_isa isa); - - -/* Get the number of various entities that are defined for this processor. */ - -extern int -xtensa_isa_num_formats (xtensa_isa isa); - -extern int -xtensa_isa_num_opcodes (xtensa_isa isa); - -extern int -xtensa_isa_num_regfiles (xtensa_isa isa); - -extern int -xtensa_isa_num_states (xtensa_isa isa); - -extern int -xtensa_isa_num_sysregs (xtensa_isa isa); - -extern int -xtensa_isa_num_interfaces (xtensa_isa isa); - -extern int -xtensa_isa_num_funcUnits (xtensa_isa isa); - - -/* Instruction formats. */ - -/* Get the name of a format. Returns null on error. */ - -extern const char * -xtensa_format_name (xtensa_isa isa, xtensa_format fmt); - - -/* Given a format name, return the format number. Returns - XTENSA_UNDEFINED if the name is not a valid format. */ - -extern xtensa_format -xtensa_format_lookup (xtensa_isa isa, const char *fmtname); - - -/* Decode the instruction format from a binary instruction buffer. - Returns XTENSA_UNDEFINED if the format is not recognized. */ - -extern xtensa_format -xtensa_format_decode (xtensa_isa isa, const xtensa_insnbuf insn); - - -/* Set the instruction format field(s) in a binary instruction buffer. - All the other fields are set to zero. Returns non-zero on error. */ - -extern int -xtensa_format_encode (xtensa_isa isa, xtensa_format fmt, xtensa_insnbuf insn); - - -/* Find the length (in bytes) of an instruction. Returns - XTENSA_UNDEFINED on error. */ - -extern int -xtensa_format_length (xtensa_isa isa, xtensa_format fmt); - - -/* Get the number of slots in an instruction. Returns XTENSA_UNDEFINED - on error. */ - -extern int -xtensa_format_num_slots (xtensa_isa isa, xtensa_format fmt); - - -/* Get the opcode for a no-op in a particular slot. - Returns XTENSA_UNDEFINED on error. */ - -extern xtensa_opcode -xtensa_format_slot_nop_opcode (xtensa_isa isa, xtensa_format fmt, int slot); - - -/* Get the bits for a specified slot out of an insnbuf for the - instruction as a whole and put them into an insnbuf for that one - slot, and do the opposite to set a slot. Return non-zero on error. */ - -extern int -xtensa_format_get_slot (xtensa_isa isa, xtensa_format fmt, int slot, - const xtensa_insnbuf insn, xtensa_insnbuf slotbuf); - -extern int -xtensa_format_set_slot (xtensa_isa isa, xtensa_format fmt, int slot, - xtensa_insnbuf insn, const xtensa_insnbuf slotbuf); - - -/* Opcode information. */ +/* Get the total number of opcodes for this processor. */ +extern int xtensa_num_opcodes (xtensa_isa); /* Translate a mnemonic name to an opcode. Returns XTENSA_UNDEFINED if the name is not a valid opcode mnemonic. */ +extern xtensa_opcode xtensa_opcode_lookup (xtensa_isa, const char *); -extern xtensa_opcode -xtensa_opcode_lookup (xtensa_isa isa, const char *opname); - - -/* Decode the opcode for one instruction slot from a binary instruction - buffer. Returns the opcode or XTENSA_UNDEFINED if the opcode is - illegal. */ - -extern xtensa_opcode -xtensa_opcode_decode (xtensa_isa isa, xtensa_format fmt, int slot, - const xtensa_insnbuf slotbuf); +/* Decode a binary instruction buffer. Returns the opcode or + XTENSA_UNDEFINED if the instruction is illegal. */ +extern xtensa_opcode xtensa_decode_insn (xtensa_isa, const xtensa_insnbuf); -/* Set the opcode field(s) for an instruction slot. All other fields - in the slot are set to zero. Returns non-zero if the opcode cannot - be encoded. */ - -extern int -xtensa_opcode_encode (xtensa_isa isa, xtensa_format fmt, int slot, - xtensa_insnbuf slotbuf, xtensa_opcode opc); - - -/* Get the mnemonic name for an opcode. Returns null on error. */ - -extern const char * -xtensa_opcode_name (xtensa_isa isa, xtensa_opcode opc); - - -/* Check various properties of opcodes. These functions return 0 if - the condition is false, 1 if the condition is true, and - XTENSA_UNDEFINED on error. The instructions are classified as - follows: - - branch: conditional branch; may fall through to next instruction (B*) - jump: unconditional branch (J, JX, RET*, RF*) - loop: zero-overhead loop (LOOP*) - call: unconditional call; control returns to next instruction (CALL*) - - For the opcodes that affect control flow in some way, the branch - target may be specified by an immediate operand or it may be an - address stored in a register. You can distinguish these by - checking if the instruction has a PC-relative immediate - operand. */ - -extern int -xtensa_opcode_is_branch (xtensa_isa isa, xtensa_opcode opc); - -extern int -xtensa_opcode_is_jump (xtensa_isa isa, xtensa_opcode opc); - -extern int -xtensa_opcode_is_loop (xtensa_isa isa, xtensa_opcode opc); - -extern int -xtensa_opcode_is_call (xtensa_isa isa, xtensa_opcode opc); - - -/* Find the number of ordinary operands, state operands, and interface - operands for an instruction. These return XTENSA_UNDEFINED on - error. */ - -extern int -xtensa_opcode_num_operands (xtensa_isa isa, xtensa_opcode opc); - +/* Opcode information. */ -extern int -xtensa_opcode_num_stateOperands (xtensa_isa isa, xtensa_opcode opc); +/* Set the opcode field(s) in a binary instruction buffer. The operand + fields are set to zero. */ +extern void xtensa_encode_insn (xtensa_isa, xtensa_opcode, xtensa_insnbuf); -extern int -xtensa_opcode_num_interfaceOperands (xtensa_isa isa, xtensa_opcode opc); +/* Get the mnemonic name for an opcode. */ +extern const char * xtensa_opcode_name (xtensa_isa, xtensa_opcode); +/* Find the length (in bytes) of an instruction. */ +extern int xtensa_insn_length (xtensa_isa, xtensa_opcode); -/* Get functional unit usage requirements for an opcode. Each "use" - is identified by a <functional unit, pipeline stage> pair. The - "num_funcUnit_uses" function returns the number of these "uses" or - XTENSA_UNDEFINED on error. The "funcUnit_use" function returns - a pointer to a "use" pair or null on error. */ +/* Find the length of an instruction by looking only at the first byte. */ +extern int xtensa_insn_length_from_first_byte (xtensa_isa, char); -typedef struct xtensa_funcUnit_use_struct -{ - xtensa_funcUnit unit; - int stage; -} xtensa_funcUnit_use; +/* Find the number of operands for an instruction. */ +extern int xtensa_num_operands (xtensa_isa, xtensa_opcode); -extern int -xtensa_opcode_num_funcUnit_uses (xtensa_isa isa, xtensa_opcode opc); +/* Get the information about operand number "opnd" of a particular opcode. */ +extern xtensa_operand xtensa_get_operand (xtensa_isa, xtensa_opcode, int); -extern xtensa_funcUnit_use * -xtensa_opcode_funcUnit_use (xtensa_isa isa, xtensa_opcode opc, int u); - - /* Operand information. */ -/* Get the name of an operand. Returns null on error. */ - -extern const char * -xtensa_operand_name (xtensa_isa isa, xtensa_opcode opc, int opnd); - - -/* Some operands are "invisible", i.e., not explicitly specified in - assembly language. When assembling an instruction, you need not set - the values of invisible operands, since they are either hardwired or - derived from other field values. The values of invisible operands - can be examined in the same way as other operands, but remember that - an invisible operand may get its value from another visible one, so - the entire instruction must be available before examining the - invisible operand values. This function returns 1 if an operand is - visible, 0 if it is invisible, or XTENSA_UNDEFINED on error. Note - that whether an operand is visible is orthogonal to whether it is - "implicit", i.e., whether it is encoded in a field in the - instruction. */ - -extern int -xtensa_operand_is_visible (xtensa_isa isa, xtensa_opcode opc, int opnd); +/* Find the kind of operand. There are three possibilities: + 1) PC-relative immediates (e.g., "l", "L"). These can be identified with + the xtensa_operand_isPCRelative function. + 2) non-PC-relative immediates ("i"). + 3) register-file short names (e.g., "a", "b", "m" and others defined + via TIE). */ +extern char * xtensa_operand_kind (xtensa_operand); - -/* Check if an operand is an input ('i'), output ('o'), or inout ('m') +/* Check if an operand is an input ('<'), output ('>'), or inout ('=') operand. Note: The output operand of a conditional assignment - (e.g., movnez) appears here as an inout ('m') even if it is declared - in the TIE code as an output ('o'); this allows the compiler to - properly handle register allocation for conditional assignments. - Returns 0 on error. */ - -extern char -xtensa_operand_inout (xtensa_isa isa, xtensa_opcode opc, int opnd); - + (e.g., movnez) appears here as an inout ('=') even if it is declared + in the TIE code as an output ('>'); this allows the compiler to + properly handle register allocation for conditional assignments. */ +extern char xtensa_operand_inout (xtensa_operand); /* Get and set the raw (encoded) value of the field for the specified operand. The "set" function does not check if the value fits in the - field; that is done by the "encode" function below. Both of these - functions return non-zero on error, e.g., if the field is not defined - for the specified slot. */ - -extern int -xtensa_operand_get_field (xtensa_isa isa, xtensa_opcode opc, int opnd, - xtensa_format fmt, int slot, - const xtensa_insnbuf slotbuf, uint32 *valp); - -extern int -xtensa_operand_set_field (xtensa_isa isa, xtensa_opcode opc, int opnd, - xtensa_format fmt, int slot, - xtensa_insnbuf slotbuf, uint32 val); - - -/* Encode and decode operands. The raw bits in the operand field may - be encoded in a variety of different ways. These functions hide - the details of that encoding. The result values are returned through - the argument pointer. The return value is non-zero on error. */ - -extern int -xtensa_operand_encode (xtensa_isa isa, xtensa_opcode opc, int opnd, - uint32 *valp); - -extern int -xtensa_operand_decode (xtensa_isa isa, xtensa_opcode opc, int opnd, - uint32 *valp); - - -/* An operand may be either a register operand or an immediate of some - sort (e.g., PC-relative or not). The "is_register" function returns - 0 if the operand is an immediate, 1 if it is a register, and - XTENSA_UNDEFINED on error. The "regfile" function returns the - regfile for a register operand, or XTENSA_UNDEFINED on error. */ - -extern int -xtensa_operand_is_register (xtensa_isa isa, xtensa_opcode opc, int opnd); - -extern xtensa_regfile -xtensa_operand_regfile (xtensa_isa isa, xtensa_opcode opc, int opnd); - - -/* Register operands may span multiple consecutive registers, e.g., a - 64-bit data type may occupy two 32-bit registers. Only the first - register is encoded in the operand field. This function specifies - the number of consecutive registers occupied by this operand. For - non-register operands, the return value is undefined. Returns - XTENSA_UNDEFINED on error. */ - -extern int -xtensa_operand_num_regs (xtensa_isa isa, xtensa_opcode opc, int opnd); - - -/* Some register operands do not completely identify the register being - accessed. For example, the operand value may be added to an internal - state value. By definition, this implies that the corresponding - regfile is not allocatable. Unknown registers should generally be - treated with worst-case assumptions. The function returns 0 if the - register value is unknown, 1 if known, and XTENSA_UNDEFINED on - error. */ - -extern int -xtensa_operand_is_known_reg (xtensa_isa isa, xtensa_opcode opc, int opnd); - - -/* Check if an immediate operand is PC-relative. Returns 0 for register - operands and non-PC-relative immediates, 1 for PC-relative - immediates, and XTENSA_UNDEFINED on error. */ - -extern int -xtensa_operand_is_PCrelative (xtensa_isa isa, xtensa_opcode opc, int opnd); - - -/* For PC-relative offset operands, the interpretation of the offset may - vary between opcodes, e.g., is it relative to the current PC or that - of the next instruction? The following functions are defined to - perform PC-relative relocations and to undo them (as in the - disassembler). The "do_reloc" function takes the desired address - value and the PC of the current instruction and sets the value to the - corresponding PC-relative offset (which can then be encoded and - stored into the operand field). The "undo_reloc" function takes the - unencoded offset value and the current PC and sets the value to the - appropriate address. The return values are non-zero on error. Note - that these functions do not replace the encode/decode functions; the - operands must be encoded/decoded separately and the encode functions - are responsible for detecting invalid operand values. */ - -extern int -xtensa_operand_do_reloc (xtensa_isa isa, xtensa_opcode opc, int opnd, - uint32 *valp, uint32 pc); - -extern int -xtensa_operand_undo_reloc (xtensa_isa isa, xtensa_opcode opc, int opnd, - uint32 *valp, uint32 pc); - - -/* State Operands. */ - -/* Get the state accessed by a state operand. Returns XTENSA_UNDEFINED - on error. */ - -extern xtensa_state -xtensa_stateOperand_state (xtensa_isa isa, xtensa_opcode opc, int stOp); - - -/* Check if a state operand is an input ('i'), output ('o'), or inout - ('m') operand. Returns 0 on error. */ - -extern char -xtensa_stateOperand_inout (xtensa_isa isa, xtensa_opcode opc, int stOp); - - -/* Interface Operands. */ - -/* Get the external interface accessed by an interface operand. - Returns XTENSA_UNDEFINED on error. */ - -extern xtensa_interface -xtensa_interfaceOperand_interface (xtensa_isa isa, xtensa_opcode opc, - int ifOp); - - -/* Register Files. */ - -/* Regfiles include both "real" regfiles and "views", where a view - allows a group of adjacent registers in a real "parent" regfile to be - viewed as a single register. A regfile view has all the same - properties as its parent except for its (long) name, bit width, number - of entries, and default ctype. You can use the parent function to - distinguish these two classes. */ - -/* Look up a regfile by either its name or its abbreviated "short name". - Returns XTENSA_UNDEFINED on error. The "lookup_shortname" function - ignores "view" regfiles since they always have the same shortname as - their parents. */ - -extern xtensa_regfile -xtensa_regfile_lookup (xtensa_isa isa, const char *name); - -extern xtensa_regfile -xtensa_regfile_lookup_shortname (xtensa_isa isa, const char *shortname); - - -/* Get the name or abbreviated "short name" of a regfile. - Returns null on error. */ - -extern const char * -xtensa_regfile_name (xtensa_isa isa, xtensa_regfile rf); - -extern const char * -xtensa_regfile_shortname (xtensa_isa isa, xtensa_regfile rf); - - -/* Get the parent regfile of a "view" regfile. If the regfile is not a - view, the result is the same as the input parameter. Returns - XTENSA_UNDEFINED on error. */ - -extern xtensa_regfile -xtensa_regfile_view_parent (xtensa_isa isa, xtensa_regfile rf); - - -/* Get the bit width of a regfile or regfile view. - Returns XTENSA_UNDEFINED on error. */ + field; that is done by the "encode" function below. */ +extern uint32 xtensa_operand_get_field (xtensa_operand, const xtensa_insnbuf); -extern int -xtensa_regfile_num_bits (xtensa_isa isa, xtensa_regfile rf); +extern void xtensa_operand_set_field (xtensa_operand, xtensa_insnbuf, uint32); -/* Get the number of regfile entries. Returns XTENSA_UNDEFINED on - error. */ +/* Encode and decode operands. The raw bits in the operand field + may be encoded in a variety of different ways. These functions hide the + details of that encoding. The encode function has a special return type + (xtensa_encode_result) to indicate success or the reason for failure; the + encoded value is returned through the argument pointer. The decode function + has no possibility of failure and returns the decoded value. */ -extern int -xtensa_regfile_num_entries (xtensa_isa isa, xtensa_regfile rf); - - -/* Processor States. */ - -/* Look up a state by name. Returns XTENSA_UNDEFINED on error. */ - -extern xtensa_state -xtensa_state_lookup (xtensa_isa isa, const char *name); - - -/* Get the name for a processor state. Returns null on error. */ - -extern const char * -xtensa_state_name (xtensa_isa isa, xtensa_state st); - - -/* Get the bit width for a processor state. - Returns XTENSA_UNDEFINED on error. */ - -extern int -xtensa_state_num_bits (xtensa_isa isa, xtensa_state st); - - -/* Check if a state is exported from the processor core. Returns 0 if - the condition is false, 1 if the condition is true, and - XTENSA_UNDEFINED on error. */ - -extern int -xtensa_state_is_exported (xtensa_isa isa, xtensa_state st); - - -/* Sysregs ("special registers" and "user registers"). */ - -/* Look up a register by its number and whether it is a "user register" - or a "special register". Returns XTENSA_UNDEFINED if the sysreg does - not exist. */ - -extern xtensa_sysreg -xtensa_sysreg_lookup (xtensa_isa isa, int num, int is_user); - - -/* Check if there exists a sysreg with a given name. - If not, this function returns XTENSA_UNDEFINED. */ - -extern xtensa_sysreg -xtensa_sysreg_lookup_name (xtensa_isa isa, const char *name); - - -/* Get the name of a sysreg. Returns null on error. */ - -extern const char * -xtensa_sysreg_name (xtensa_isa isa, xtensa_sysreg sysreg); - - -/* Get the register number. Returns XTENSA_UNDEFINED on error. */ - -extern int -xtensa_sysreg_number (xtensa_isa isa, xtensa_sysreg sysreg); - - -/* Check if a sysreg is a "special register" or a "user register". - Returns 0 for special registers, 1 for user registers and - XTENSA_UNDEFINED on error. */ - -extern int -xtensa_sysreg_is_user (xtensa_isa isa, xtensa_sysreg sysreg); - - -/* Interfaces. */ - -/* Find an interface by name. The return value is XTENSA_UNDEFINED if - the specified interface is not found. */ - -extern xtensa_interface -xtensa_interface_lookup (xtensa_isa isa, const char *ifname); - - -/* Get the name of an interface. Returns null on error. */ - -extern const char * -xtensa_interface_name (xtensa_isa isa, xtensa_interface intf); - - -/* Get the bit width for an interface. - Returns XTENSA_UNDEFINED on error. */ - -extern int -xtensa_interface_num_bits (xtensa_isa isa, xtensa_interface intf); - - -/* Check if an interface is an input ('i') or output ('o') with respect - to the Xtensa processor core. Returns 0 on error. */ - -extern char -xtensa_interface_inout (xtensa_isa isa, xtensa_interface intf); - - -/* Check if accessing an interface has potential side effects. - Currently "data" interfaces have side effects and "control" - interfaces do not. Returns 1 if there are side effects, 0 if not, - and XTENSA_UNDEFINED on error. */ - -extern int -xtensa_interface_has_side_effect (xtensa_isa isa, xtensa_interface intf); - - -/* Functional Units. */ - -/* Find a functional unit by name. The return value is XTENSA_UNDEFINED if - the specified unit is not found. */ - -extern xtensa_funcUnit -xtensa_funcUnit_lookup (xtensa_isa isa, const char *fname); +typedef enum +{ + xtensa_encode_result_ok, + xtensa_encode_result_align, + xtensa_encode_result_not_in_table, + xtensa_encode_result_too_low, + xtensa_encode_result_too_high, + xtensa_encode_result_not_ok, + xtensa_encode_result_max = xtensa_encode_result_not_ok +} xtensa_encode_result; +extern xtensa_encode_result xtensa_operand_encode (xtensa_operand, uint32 *); -/* Get the name of a functional unit. Returns null on error. */ +extern uint32 xtensa_operand_decode (xtensa_operand, uint32); -extern const char * -xtensa_funcUnit_name (xtensa_isa isa, xtensa_funcUnit fun); +/* For PC-relative offset operands, the interpretation of the offset may vary + between opcodes, e.g., is it relative to the current PC or that of the next + instruction? The following functions are defined to perform PC-relative + relocations and to undo them (as in the disassembler). The first function + takes the desired address and the PC of the current instruction and returns + the unencoded value to be stored in the offset field. The second function + takes the unencoded offset value and the current PC and returns the address. + Note that these functions do not replace the encode/decode functions; the + operands must be encoded/decoded separately. */ -/* Functional units may be replicated. See how many instances of a - particular function unit exist. Returns XTENSA_UNDEFINED on error. */ +extern int xtensa_operand_isPCRelative (xtensa_operand); -extern int -xtensa_funcUnit_num_copies (xtensa_isa isa, xtensa_funcUnit fun); +extern uint32 xtensa_operand_do_reloc (xtensa_operand, uint32, uint32); +extern uint32 xtensa_operand_undo_reloc (xtensa_operand, uint32, uint32); #ifdef __cplusplus } |