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authorMark Kettenis <kettenis@gnu.org>2002-06-14 19:42:20 +0000
committerMark Kettenis <kettenis@gnu.org>2002-06-14 19:42:20 +0000
commit8201327c4086d86bf1c16db4fd34bc55c2da53ef (patch)
treebdc313d28b682690e0b51a9017d48a88028e004d /gdb/i386-tdep.h
parente7e811813229598b44f7851121feddcffa911faa (diff)
downloadbinutils-gdb-8201327c4086d86bf1c16db4fd34bc55c2da53ef.tar.gz
* 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.h80
1 files changed, 62 insertions, 18 deletions
diff --git a/gdb/i386-tdep.h b/gdb/i386-tdep.h
index 0bdbb057e2f..64af99d1e66 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 */