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Diffstat (limited to 'libjava/sysdep/ia64-frame.h')
| -rw-r--r-- | libjava/sysdep/ia64-frame.h | 282 |
1 files changed, 0 insertions, 282 deletions
diff --git a/libjava/sysdep/ia64-frame.h b/libjava/sysdep/ia64-frame.h deleted file mode 100644 index 7f07988f0a8..00000000000 --- a/libjava/sysdep/ia64-frame.h +++ /dev/null @@ -1,282 +0,0 @@ -/* Header file for unwinding stack frames for exception handling. */ -/* Compile this one with gcc. */ -/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc. - Contributed by Jason Merrill <jason@cygnus.com>. - -This file is part of GNU CC. - -GNU CC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU CC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - - -/* Number of hardware registers known to the compiler. - We have 128 general registers, 128 floating point registers, 64 predicate - registers, 8 branch registers, and one frame pointer register. */ - -/* ??? Should add ar.lc, ar.ec and probably also ar.pfs. */ - -#define FIRST_PSEUDO_REGISTER 330 - -#ifndef DWARF_FRAME_REGISTERS -#define DWARF_FRAME_REGISTERS FIRST_PSEUDO_REGISTER -#endif - -typedef struct frame_state -{ - void *cfa; - void *eh_ptr; - long cfa_offset; - long args_size; - long reg_or_offset[DWARF_FRAME_REGISTERS+1]; - unsigned short cfa_reg; - unsigned short retaddr_column; - char saved[DWARF_FRAME_REGISTERS+1]; -} frame_state; - -/* Values for 'saved' above. */ -#define REG_UNSAVED 0 -#define REG_SAVED_OFFSET 1 -#define REG_SAVED_REG 2 - -/* The representation for an "object" to be searched for frame unwind info. - For targets with named sections, one object is an executable or shared - library; for other targets, one object is one translation unit. - - A copy of this structure declaration is printed by collect2.c; - keep the copies synchronized! */ - -struct object { -#ifdef IA64_UNWIND_INFO - void *pc_base; /* This field will be set by __do_frame_setup. */ -#endif - void *pc_begin; - void *pc_end; - struct dwarf_fde *fde_begin; - struct dwarf_fde **fde_array; - size_t count; - struct object *next; -}; - -/* Called from __throw to find the registers to restore for a given - PC_TARGET. The caller should allocate a local variable of `struct - frame_state' (declared in frame.h) and pass its address to STATE_IN. - Returns NULL on failure, otherwise returns STATE_IN. */ - -extern struct frame_state *__frame_state_for (void *, struct frame_state *); - -#ifdef IA64_UNWIND_INFO - -/* This is the information required for unwind records in an ia64 - object file. This is required by GAS and the compiler runtime. */ - -/* These are the starting point masks for the various types of - unwind records. To create a record of type R3 for instance, one - starts by using the value UNW_R3 and or-ing in any other required values. - These values are also unique (in context), so they can be used to identify - the various record types as well. UNW_Bx and some UNW_Px do have the - same value, but Px can only occur in a prologue context, and Bx in - a body context. */ - -#define UNW_R1 0x00 -#define UNW_R2 0x40 -#define UNW_R3 0x60 -#define UNW_P1 0x80 -#define UNW_P2 0xA0 -#define UNW_P3 0xB0 -#define UNW_P4 0xB8 -#define UNW_P5 0xB9 -#define UNW_P6 0xC0 -#define UNW_P7 0xE0 -#define UNW_P8 0xF0 -#define UNW_P9 0xF1 -#define UNW_P10 0xFF -#define UNW_X1 0xF9 -#define UNW_X2 0xFA -#define UNW_X3 0xFB -#define UNW_X4 0xFC -#define UNW_B1 0x80 -#define UNW_B2 0xC0 -#define UNW_B3 0xE0 -#define UNW_B4 0xF0 - -/* These are all the various types of unwind records. */ - -typedef enum -{ - prologue, prologue_gr, body, mem_stack_f, mem_stack_v, psp_gr, psp_sprel, - rp_when, rp_gr, rp_br, rp_psprel, rp_sprel, pfs_when, pfs_gr, pfs_psprel, - pfs_sprel, preds_when, preds_gr, preds_psprel, preds_sprel, - fr_mem, frgr_mem, gr_gr, gr_mem, br_mem, br_gr, spill_base, spill_mask, - unat_when, unat_gr, unat_psprel, unat_sprel, lc_when, lc_gr, lc_psprel, - lc_sprel, fpsr_when, fpsr_gr, fpsr_psprel, fpsr_sprel, - priunat_when_gr, priunat_when_mem, priunat_gr, priunat_psprel, - priunat_sprel, bsp_when, bsp_gr, bsp_psprel, bsp_sprel, bspstore_when, - bspstore_gr, bspstore_psprel, bspstore_sprel, rnat_when, rnat_gr, - rnat_psprel, rnat_sprel, epilogue, label_state, copy_state, - spill_psprel, spill_sprel, spill_reg, spill_psprel_p, spill_sprel_p, - spill_reg_p -} unw_record_type; - - -/* These structures declare the fields that can be used in each of the - 4 record formats, R, P, B and X. */ - -typedef struct unw_r_record -{ - unsigned long rlen; - unsigned short mask; - unsigned short grsave; -} unw_r_record; - -typedef struct unw_p_record -{ - void *imask; - unsigned long t; - unsigned long size; - unsigned long spoff; - unsigned long br; - unsigned long pspoff; - unsigned short gr; - unsigned short rmask; - unsigned short grmask; - unsigned long frmask; - unsigned short brmask; -} unw_p_record; - -typedef struct unw_b_record -{ - unsigned long t; - unsigned long label; - unsigned short ecount; -} unw_b_record; - -typedef struct unw_x_record -{ - unsigned long t; - unsigned long spoff; - unsigned long pspoff; - unsigned short reg; - unsigned short treg; - unsigned short qp; - unsigned short xy; /* Value of the XY field.. */ -} unw_x_record; - -/* This structure is used to determine the specific record type and - its fields. */ -typedef struct unwind_record -{ - unw_record_type type; - union { - unw_r_record r; - unw_p_record p; - unw_b_record b; - unw_x_record x; - } record; -} unwind_record; - -/* This structure represents the start of an unwind information pointer. - 'unwind_descriptors' is the beginninng of the unwind descriptors, which - use up 'length' bytes of storage. */ - -typedef struct unwind_info_ptr -{ - unsigned short version; - unsigned short flags; - unsigned int length; - unsigned char unwind_descriptors[1]; -} unwind_info_ptr; - - -#define IA64_UNW_LOC_TYPE_NONE 0 -#define IA64_UNW_LOC_TYPE_MEM 1 -#define IA64_UNW_LOC_TYPE_GR 2 -#define IA64_UNW_LOC_TYPE_FR 3 -#define IA64_UNW_LOC_TYPE_BR 4 -#define IA64_UNW_LOC_TYPE_SPOFF 5 -#define IA64_UNW_LOC_TYPE_PSPOFF 6 -#define IA64_UNW_LOC_TYPE_OFFSET 7 -#define IA64_UNW_LOC_TYPE_SPILLBASE 8 - -typedef struct ia64_reg_loc -{ - long when; /* PC relative offset from start of function. */ - union { /* In memory or another register? */ - void *mem; - int regno; - int offset; - } l; - short loc_type; /* Where to find value. */ - short reg_size; -} ia64_reg_loc; - -/* Frame information record. */ - -typedef struct ia64_frame_state -{ - ia64_reg_loc gr[4]; /* gr4 to gr7. */ - ia64_reg_loc fr[20]; /* fr2 to fr5, fr16 to fr31. */ - ia64_reg_loc br[5]; /* br1 to br5. */ - ia64_reg_loc rp; - ia64_reg_loc fpsr; - ia64_reg_loc bsp; - ia64_reg_loc bspstore; - ia64_reg_loc rnat; - ia64_reg_loc pfs; - ia64_reg_loc unat; - ia64_reg_loc lc; - ia64_reg_loc pr; - ia64_reg_loc priunat; - ia64_reg_loc sp; - ia64_reg_loc psp; - ia64_reg_loc spill_base; - void *my_sp; - void *my_bsp; -} ia64_frame_state; - - -extern unwind_info_ptr *build_ia64_frame_state (unsigned char *, ia64_frame_state *, - void *, void *); -extern void *get_real_reg_value (ia64_reg_loc *); -extern void *get_personality (unwind_info_ptr *); -extern void *get_except_table (unwind_info_ptr *); -extern void set_real_reg_value (ia64_reg_loc *, void *); -void *calc_caller_bsp (long, unsigned char *); - -#endif /* IA64_UNWIND_INFO */ - -/* Note the following routines are exported interfaces from libgcc; do not - change these interfaces. Instead create new interfaces. Also note - references to these functions may be made weak in files where they - are referenced. */ - -extern void __register_frame (void * ); -extern void __register_frame_table (void *); -extern void __deregister_frame (void *); - -/* Called either from crtbegin.o or a static constructor to register the - unwind info for an object or translation unit, respectively. */ - -extern void __register_frame_info (void *, struct object *); - -/* Similar, but BEGIN is actually a pointer to a table of unwind entries - for different translation units. Called from the file generated by - collect2. */ -extern void __register_frame_info_table (void *, struct object *); - -/* Called from crtend.o to deregister the unwind info for an object. */ - -extern void *__deregister_frame_info (void *); - - |