diff options
author | Mark Kettenis <kettenis@gnu.org> | 2002-06-14 19:42:20 +0000 |
---|---|---|
committer | Mark Kettenis <kettenis@gnu.org> | 2002-06-14 19:42:20 +0000 |
commit | 8201327c4086d86bf1c16db4fd34bc55c2da53ef (patch) | |
tree | bdc313d28b682690e0b51a9017d48a88028e004d /gdb/i386-tdep.h | |
parent | e7e811813229598b44f7851121feddcffa911faa (diff) | |
download | binutils-8201327c4086d86bf1c16db4fd34bc55c2da53ef.zip binutils-8201327c4086d86bf1c16db4fd34bc55c2da53ef.tar.gz binutils-8201327c4086d86bf1c16db4fd34bc55c2da53ef.tar.bz2 |
* config/i386/i386sol2.mt (TDEPFILES): Add i386-sol2-tdep.o and
i386bsd-tdep.o. Remove solib.o, solib-svr4.o and solib-legacy.o.
Move these to ...
* config/i386/i386sol2.mh: ... here.
* config/i386/tm-i386sol2.h (STAB_REG_TO_REGNUM): Remove define.
(sigtramp_saved_pc, I386V4_SIGTRAMP_SAVED_PC): Don't #undef.
(SIGCONTEXT_PC_OFFSET): Remove define.
(IN_SIGTRAMP): Remove define.
* i386-sol2-tdep.c: New file.
* config/i386/i386nw.mt (TM_FILE): Change to tm-i386.h.
* config/i386/tm-i386nw.h: Removed.
* config/i386/tm-fbsd.h (STAB_REG_TO_REGNUM,
USE_STRUCT_CONVENTION): Remove defines.
(JB_ELEMENT_SIZE, JB_PC, GET_LONGJMP_TARGET): Remove defines.
(get_longjmp_target): Remove prototype.
(IN_SIGTRAMP): Remove define.
(i386bsd_in_sigtramp): Remove prototype.
(i386bsd_sigtramp_start, i386bsd_sigtramp_end): Turn into a
function. Update comment accordingly
(SIGTRAMP_START, SIGTRAMP): Adjust definition accordingly.
(FRAME_SAVED_PC): Remove define.
(i386bsd_frame_saved_pc): Remove prototype.
* config/i386/tm-nbsd.h (JB_ELEMENT_SIZE, JB_PC,
GET_LONGJMP_TARGET): Remove defines.
(get_longjmp_target): Remove prototype.
(IN_SIGTRAMP): Remove define.
(i386bsd_in_sigtramp): Remove prototype.
(i386bsd_sigtramp_start, i386bsd_sigtramp_end): Turn into a
function. Update comment accordingly
(SIGTRAMP_START, SIGTRAMP): Adjust definition accordingly.
(FRAME_SAVED_PC): Remove define.
(i386bsd_frame_saved_pc): Remove prototype.
* config/i386/tm-nbsdaout.h (i386nbsd_aout_use_struct_convention):
Remove prototype.
(USE_STRUCT_CONVENTION): Remove prototype.
* i386bsd-nat.c (i386bsd_sigcontext_pc_offset): Remove
declaration.
(_initialize_i386bsd_nat): Revise logic to determine some
constants at compile time when compiling a native GDB. Warn if
things don't match up with what we expect.
* i386bsd-tdep.c (i386bsd_sigtramp_start, i386bsd_sigtramp_end):
Remove variables.
(i386bsd_in_sigtramp): Rename tp i386bsd_pc_in_sigtramp. Rewrite
to use date stored in `struct gdbarch_tdep'.
(i386bsd_sigcontext_offset): Remove varaible.
(i386bsd_sigtramp_saved_pc): Make public. Rewrite to use data
stored in `struct gdbarch_tdep'.
(i386bsd_frame_saved_pc): Make static.
(i386bsd_sigtramp_start, i386bsd_sigtramp_end): New functions.
(i386bsd_sc_pc_offset, i386nbsd_sc_pc_offset,
i386fbsd_sigtramp_start, i386fbsd_sigtramp_end,
i386fbsd4_sc_pc_offset): New variables.
(i386bsd_init_abi, i386nbsd_init_abi, i386nbsdelf_init_abi,
i386fbsdaout_init_abi, i386fbsd_init_abi, i386fbsd4_init_abi): New
functions.
(i386bsd_aout_osabi_sniffer, _initialize_i386bsd_tdep): New
functions.
* i386fbsd-nat.c (_initialize_i386fbsd_nat): Fix type in comment.
Modify the value of i386fbsd_sigtramp_start and
i386fbsd_sigtramp_end instead of i386bsd_sigtramp_start and
i386fbsd_sigtramp_end.
* i386nbsd-tdep.c: (i386nbsd_aout_use_struct_convention): Remove
function.
* config/i386/tm-linux.h (I386_LINUX_ORIG_EAX_REGNUM): Move
define to i386-linux-tdep.h.
(NUM_REGS, MAX_NUM_REGS, REGISTER_BYTES, REGISTER_NAME,
REGISTER_BYTE, REGISTER_RAW_SIZE, STAB_REG_TO_REGNUM): Remove
defines.
(i386_linux_register_name, i386_linux_register_byte,
i386_linux_register_raw_size): Remove prototypes.
(i386_linux_svr4_fetch_link_map_offsets): Remove prototype.
(SVR4_FETCH_LINK_MAP_OFFSETS): Remove define.
(IN_SIGTRAMP, FRAME_CHAIN, FRAME_SAVED_PC, SAVED_PC_AFTER_CALL,
TARGET_WRITE_PC): Remove defines.
(i386_linux_in_sigtramp, i386_linux_frame_chain,
i386_linux_frame_saved_pc, i386_linux_saved_pc_after_call,
i386_linux_write_pc): Remove prototypes.
(JB_ELEMENT_SIZE, JB_PC, GET_LONGJMP_TARGET): Remove defines.
(get_longjmp_target): Remove prototype.
* i386-linux-tdep.h: New file.
* i386-linux-nat.c: Include "i386-linux-tdep.h".
* i386-linux-tdep.c: Include "i386-tdep.h" and
"i386-linux-tdep.h".
(i386_linux_register_name, i386_linux_register_byte,
i386_linux_register_raw_size, i386_linux_in_sigtramp,
i386_linux_write_pc, i386_linux_svr4_fetch_link_map_offsets):
Make static.
(i386_linux_init_abi): New function.
(_initialize_i386_linux_tdep): New function.
* config/i386/tm-i386.h (SAVED_PC_AFTER_CALL): Remove define.
(i386_saved_pc_after_call): Remove prototype.
(MAX_NUM_REGS): Increase to deal with Linux's orig_eax "register".
(REGISTER_NAME, STAB_REG_TO_REGNUM, SDB_REG_TO_REGNUM,
DWARF_REG_TO_REGNUM, DWARF2_REG_TO_REGNUM): Remove defines.
(i386_register_name, i386_stab_reg_to_regnum,
i386_dwarf_reg_to_regnum): Remove prototypes.
(SIZEOF_GREGS, SIZEOF_FPU_REGS, SIZEOF_FPU_CTL_REGS,
SIZEOF_SSE_REGS): Remove defines.
(REGISTER_BYTES): Remove define.
(REGISTER_BYTE, REGISTER_RAW_SIZE): Remove defines.
(i386_register_byte, i386_register_raw_size): Remove prototypes.
(FRAME_CHAIN, FRAME_SAVED_PC): Remove defines.
(i386_frame_chain, i386_frame_saved_pc): Remove prototypes.
* config/i386/tm-i386v4.h (FRAME_CHAIN_VALID): Remove define.
(JB_ELEMENT_SIZE, JB_PC, JB_EBX, JB_ESI, JB_EDI, JB_EBP, JB_ESP,
JB_EDX, GET_LONGJMP_TARGET): Remove defines.
(get_longjmp_target): Remove prototype.
(I386V4_SIGTRAMP_SAVED_PC, IN_SIGTRAMP): Remove defines.
(sigtramp_saved_pc): Remove define.
(i386v4_sigtramp_saved_pc): Remove prototype.
* config/i386/tm-go32.h (FRAME_CHAIN,
FRAMELESS_FUNCTION_INVOCATION, FRAME_SAVED_PC): Remove defines.
(i386go32_frame_saved_pc): Remove prototype.
(JB_ELEMENT_SIZE, JB_PC, GET_LONGJMP_TARGET): Remove defines.
(get_longjmp_target): Remove prototype.
* i386-tdep.h: Include "osabi.h".
(enum i386_abi): Removed.
(enum struct_return): New enum.
(struct gdbarch_tdep): Remove abi member, add osabi, jb_pc_offset,
struct_return, sigtramp_saved_pc, sigtramp_start, sigtramp_end and
sc_pc_offset members.
(i386_gdbarch_register_os_abi): Remove prototype.
(I386_NUM_GREGS, I386_NUM_FREGS, I386_NUM_XREGS,
I386_SSE_NUM_REGS): New defines.
(I386_SIZEOF_GREGS, I386_SIZEOF_FREGS, I386_SIZEOF_XREGS,
I386_SSE_SIZEOF_REGS): New defines.
(i386_register_name, i386_register_byte, i386_register_raw_size):
New prototypes.
(i386_elf_init_abi, i386_svr4_init_abi): New prototypes.
(i386bsd_sigtramp_saved_pc): New prototype.
* i386-tdep.c: Don't include "elf-bfd.h".
(i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum,
i386_frame_chain, i386_saved_pc_after_call): Make static.
(i386_frame_saved_pc): Rewrite to call architecture dependent
function to deal with signal handlers. Make static.
(i386go32_frame_saved_pc): Removed.
[GET_LONGJMP_TARGET] (JB_PC, JB_ELEMENT_SIZE, get_longjmp_target):
Removed.
(i386_get_longjmp_target): New function.
(default_struct_convention, pcc_struct_convention,
reg_struct_convention, valid_conventions, struct_convention): New
variables.
(i386_use_struct_convention): New function.
(i386v4_sigtramp_saved_pc): Renamed to
i386_svr4_sigtramp_saved_pc. Made static. Moved.
(i386_pc_in_sigtramp): New function.
(i386_abi_names): Removed.
(ABI_TAG_OS_GNU_LINUX, ABI_TAG_OS_GNU_HURD,
ABI_TAG_OS_GNU_SOLARIS, ABI_TAG_OS_FREEBSD, ABI_TAG_OS_NETBSD):
Removed.
(process_note_sections, i386_elf_abi_from_note, i386_elf_abi,
i386_gdbarch_register_os_abi): Removed.
(struct i386_abi_handler): Removed.
(i386_abi_handler_list): Removed.
(i386_svr4_pc_in_sigtramp, i386_go32_pc_in_sigtramp): New
functions.
(i386_elf_init_abi, i386_svr4_init_abi, i386_go32_init_abi,
i386_nw_init_abi): New functions.
(i386_gdbarch_init): Rewritten to use generic OS ABI framework.
Use set_gdbarch_xxx() calls instead of relying on macros for a
number of calls.
(i386_coff_osabi_sniffer, i386_nlm_osabi_sniffer): New functions.
(_initialize_i386_tdep): Add new 'struct-convcention' command.
Register the various architecture variants defined in this file.
Diffstat (limited to 'gdb/i386-tdep.h')
-rw-r--r-- | gdb/i386-tdep.h | 80 |
1 files changed, 62 insertions, 18 deletions
diff --git a/gdb/i386-tdep.h b/gdb/i386-tdep.h index 0bdbb05..64af99d 100644 --- a/gdb/i386-tdep.h +++ b/gdb/i386-tdep.h @@ -1,5 +1,5 @@ /* Target-dependent code for GDB, the GNU debugger. - Copyright 2001 + Copyright 2001, 2002 Free Software Foundation, Inc. This file is part of GDB. @@ -22,6 +22,8 @@ #ifndef I386_TDEP_H #define I386_TDEP_H +#include "osabi.h" + /* GDB's i386 target supports both the 32-bit Intel Architecture (IA-32) and the 64-bit AMD x86-64 architecture. Internally it uses a similar register layout for both. @@ -40,30 +42,38 @@ differs and is determined by the num_xmm_regs member of `struct gdbarch_tdep'. */ -/* ABI variants that we know about. */ -enum i386_abi -{ - I386_ABI_UNKNOWN = 0, - - /* ELF */ - I386_ABI_SVR4, /* This is the default. */ - I386_ABI_NETBSD, - I386_ABI_LINUX, - I386_ABI_HURD, - I386_ABI_SOLARIS, - I386_ABI_FREEBSD, +/* Convention for returning structures. */ - I386_ABI_INVALID = -1 +enum struct_return +{ + pcc_struct_return, /* Return "short" structures in memory. */ + reg_struct_return /* Return "short" structures in registers. */ }; /* i386 architecture specific information. */ struct gdbarch_tdep { /* ABI. */ - enum i386_abi abi; + enum gdb_osabi osabi; /* Number of SSE registers. */ int num_xmm_regs; + + /* Offset of saved PC in jmp_buf. */ + int jb_pc_offset; + + /* Convention for returning structures. */ + enum struct_return struct_return; + + /* Get saved PC for sigtramp. */ + CORE_ADDR (*sigtramp_saved_pc) (struct frame_info *); + + /* Address range where sigtramp lives. */ + CORE_ADDR sigtramp_start; + CORE_ADDR sigtramp_end; + + /* Offset of saved PC in `struct sigcontext'. */ + int sc_pc_offset; }; /* Floating-point registers. */ @@ -129,8 +139,42 @@ struct gdbarch_tdep #define IS_FPU_CTRL_REGNUM(n) FPC_REGNUM_P (n) #define IS_SSE_REGNUM(n) SSE_REGNUM_P (n) -void i386_gdbarch_register_os_abi (enum i386_abi, - void (*init_abi)(struct gdbarch_info, - struct gdbarch *)); +#define I386_NUM_GREGS 16 +#define I386_NUM_FREGS 16 +#define I386_NUM_XREGS 9 + +#define I386_SSE_NUM_REGS (I386_NUM_GREGS + I386_NUM_FREGS \ + + I386_NUM_XREGS) + +/* Sizes of individual register sets. These cover the entire register + file, so summing up the sizes of those portions actually present + yields REGISTER_BYTES. */ +#define I386_SIZEOF_GREGS (I386_NUM_GREGS * 4) +#define I386_SIZEOF_FREGS (8 * 10 + 8 * 4) +#define I386_SIZEOF_XREGS (8 * 16 + 4) + +#define I386_SSE_SIZEOF_REGS (I386_SIZEOF_GREGS + I386_SIZEOF_FREGS \ + + I386_SIZEOF_XREGS) + +/* Return the name of register REG. */ +extern char *i386_register_name (int reg); + +/* Return the offset into the register array of the start of register + number REG. */ +extern int i386_register_byte (int reg); + +/* Return the number of bytes of storage in GDB's register array + occupied by register REG. */ +extern int i386_register_raw_size (int reg); + +/* Initialize a basic ELF architecture variant. */ +extern void i386_elf_init_abi (struct gdbarch_info, struct gdbarch *); + +/* Initialize a SVR4 architecture variant. */ +extern void i386_svr4_init_abi (struct gdbarch_info, struct gdbarch *); + +/* Functions exported from i386bsd-tdep.c. */ + +extern CORE_ADDR i386bsd_sigtramp_saved_pc (struct frame_info *frame); #endif /* i386-tdep.h */ |