X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fhppa-tdep.h;h=f73c7ca0f4d123b210a66a1dc2f637e5864becf1;hb=1e76a7e9b156173a76e6a14a3ed41cefc9fed480;hp=26a7556a68607ed4287821fa210ffab97d64c0bf;hpb=3388d7ff414546f25b9258ac2bf650f6691c243d;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/hppa-tdep.h b/gdb/hppa-tdep.h index 26a7556a68..f73c7ca0f4 100644 --- a/gdb/hppa-tdep.h +++ b/gdb/hppa-tdep.h @@ -1,11 +1,12 @@ -/* Common target dependent code for GDB on HPPA systems. - Copyright 2003, 2004 Free Software Foundation, Inc. +/* Target-dependent code for the HP PA-RISC architecture. + + Copyright (C) 2003-2015 Free Software Foundation, Inc. This file is part of GDB. This program 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 of the License, or + the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, @@ -14,21 +15,16 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ + along with this program. If not, see . */ #ifndef HPPA_TDEP_H #define HPPA_TDEP_H struct trad_frame_saved_reg; +struct objfile; +struct so_list; -/* Register numbers of various important registers. - Note that some of these values are "real" register numbers, - and correspond to the general registers of the machine, - and some are "phony" register numbers which are too large - to be actual register numbers as far as the user is concerned - but do serve to get the desired values when passed to read_register. */ +/* Register numbers of various important registers. */ enum hppa_regnum { @@ -38,6 +34,9 @@ enum hppa_regnum HPPA_FLAGS_REGNUM = 0, /* Various status flags */ HPPA_RP_REGNUM = 2, /* return pointer */ HPPA_FP_REGNUM = 3, /* The ABI's frame pointer, when used */ + HPPA_DP_REGNUM = 27, + HPPA_RET0_REGNUM = 28, + HPPA_RET1_REGNUM = 29, HPPA_SP_REGNUM = 30, /* Stack pointer. */ HPPA_R31_REGNUM = 31, HPPA_SAR_REGNUM = 32, /* Shift Amount Register */ @@ -51,6 +50,13 @@ enum hppa_regnum HPPA_ISR_REGNUM = 39, /* Interrupt Space Register */ HPPA_IOR_REGNUM = 40, /* Interrupt Offset Register */ HPPA_SR4_REGNUM = 43, /* space register 4 */ + HPPA_SR0_REGNUM = 44, /* space register 0 */ + HPPA_SR1_REGNUM = 45, /* space register 1 */ + HPPA_SR2_REGNUM = 46, /* space register 2 */ + HPPA_SR3_REGNUM = 47, /* space register 3 */ + HPPA_SR5_REGNUM = 48, /* space register 5 */ + HPPA_SR6_REGNUM = 49, /* space register 6 */ + HPPA_SR7_REGNUM = 50, /* space register 7 */ HPPA_RCR_REGNUM = 51, /* Recover Counter (also known as cr0) */ HPPA_PID0_REGNUM = 52, /* Protection ID */ HPPA_PID1_REGNUM = 53, /* Protection ID */ @@ -58,16 +64,23 @@ enum hppa_regnum HPPA_PID3_REGNUM = 56, /* Protection ID */ HPPA_CCR_REGNUM = 54, /* Coprocessor Configuration Register */ HPPA_TR0_REGNUM = 57, /* Temporary Registers (cr24 -> cr31) */ - HPPA_CR27_REGNUM = 60, /* Base register for thread-local storage, cr27 */ + HPPA_CR26_REGNUM = 59, + HPPA_CR27_REGNUM = 60, /* Base register for thread-local + storage, cr27 */ HPPA_FP0_REGNUM = 64, /* First floating-point. */ HPPA_FP4_REGNUM = 72, + HPPA64_FP4_REGNUM = 68, + HPPA_FP31R_REGNUM = 127, /* Last floating-point. */ - HPPA_ARG0_REGNUM = 26, /* The first argument of a callee. */ - HPPA_ARG1_REGNUM = 25, /* The second argument of a callee. */ - HPPA_ARG2_REGNUM = 24, /* The third argument of a callee. */ - HPPA_ARG3_REGNUM = 23 /* The fourth argument of a callee. */ + HPPA_ARG0_REGNUM = 26, /* The first argument of a callee. */ + HPPA_ARG1_REGNUM = 25, /* The second argument of a callee. */ + HPPA_ARG2_REGNUM = 24, /* The third argument of a callee. */ + HPPA_ARG3_REGNUM = 23 /* The fourth argument of a callee. */ }; +/* Instruction size. */ +#define HPPA_INSN_SIZE 4 + /* Target-dependent structure in gdbarch. */ struct gdbarch_tdep { @@ -81,7 +94,27 @@ struct gdbarch_tdep /* Given a function address, try to find the global pointer for the corresponding shared object. */ - CORE_ADDR (*find_global_pointer) (struct value *); + CORE_ADDR (*find_global_pointer) (struct gdbarch *, struct value *); + + /* For shared libraries, each call goes through a small piece of + trampoline code in the ".plt" section. IN_SOLIB_CALL_TRAMPOLINE + evaluates to nonzero if we are currently stopped in one of these. */ + int (*in_solib_call_trampoline) (struct gdbarch *gdbarch, CORE_ADDR pc); + + /* For targets that support multiple spaces, we may have additional stubs + in the return path. These stubs are internal to the ABI, and users are + not interested in them. If we detect that we are returning to a stub, + adjust the pc to the real caller. This improves the behavior of commands + that traverse frames such as "up" and "finish". */ + void (*unwind_adjust_stub) (struct frame_info *this_frame, CORE_ADDR base, + struct trad_frame_saved_reg *saved_regs); + + /* These are solib-dependent methods. They are really HPUX only, but + we don't have a HPUX-specific tdep vector at the moment. */ + CORE_ADDR (*solib_thread_start_addr) (struct so_list *so); + CORE_ADDR (*solib_get_got_by_pc) (CORE_ADDR addr); + CORE_ADDR (*solib_get_solib_by_pc) (CORE_ADDR addr); + CORE_ADDR (*solib_get_text_base) (struct objfile *objfile); }; /* @@ -97,7 +130,7 @@ struct unwind_table_entry unsigned int Millicode:1; /* 1 */ unsigned int Millicode_save_sr0:1; /* 2 */ unsigned int Region_description:2; /* 3..4 */ - unsigned int reserved1:1; /* 5 */ + unsigned int reserved:1; /* 5 */ unsigned int Entry_SR:1; /* 6 */ unsigned int Entry_FR:4; /* number saved *//* 7..10 */ unsigned int Entry_GR:5; /* number saved *//* 11..15 */ @@ -107,28 +140,28 @@ struct unwind_table_entry unsigned int Frame_Extension_Millicode:1; /* 19 */ unsigned int Stack_Overflow_Check:1; /* 20 */ unsigned int Two_Instruction_SP_Increment:1; /* 21 */ - unsigned int Ada_Region:1; /* 22 */ + unsigned int sr4export:1; /* 22 */ unsigned int cxx_info:1; /* 23 */ unsigned int cxx_try_catch:1; /* 24 */ unsigned int sched_entry_seq:1; /* 25 */ - unsigned int reserved2:1; /* 26 */ + unsigned int reserved1:1; /* 26 */ unsigned int Save_SP:1; /* 27 */ unsigned int Save_RP:1; /* 28 */ unsigned int Save_MRP_in_frame:1; /* 29 */ - unsigned int extn_ptr_defined:1; /* 30 */ + unsigned int save_r19:1; /* 30 */ unsigned int Cleanup_defined:1; /* 31 */ unsigned int MPE_XL_interrupt_marker:1; /* 0 */ unsigned int HP_UX_interrupt_marker:1; /* 1 */ unsigned int Large_frame:1; /* 2 */ - unsigned int Pseudo_SP_Set:1; /* 3 */ - unsigned int reserved4:1; /* 4 */ + unsigned int alloca_frame:1; /* 3 */ + unsigned int reserved2:1; /* 4 */ unsigned int Total_frame_size:27; /* 5..31 */ /* This is *NOT* part of an actual unwind_descriptor in an object file. It is *ONLY* part of the "internalized" descriptors that - we create from those in a file. - */ + we create from those in a file. */ + struct { unsigned int stub_type:4; /* 0..3 */ @@ -155,36 +188,6 @@ enum unwind_stub_types struct unwind_table_entry *find_unwind_entry (CORE_ADDR); -/* We use the objfile->obj_private pointer for two things: - * 1. An unwind table; - * - * 2. A pointer to any associated shared library object. - * - * #defines are used to help refer to these objects. - */ - -/* Info about the unwind table associated with an object file. - * This is hung off of the "objfile->obj_private" pointer, and - * is allocated in the objfile's psymbol obstack. This allows - * us to have unique unwind info for each executable and shared - * library that we are debugging. - */ -struct hppa_unwind_info - { - struct unwind_table_entry *table; /* Pointer to unwind info */ - struct unwind_table_entry *cache; /* Pointer to last entry we found */ - int last; /* Index of last entry */ - }; - -struct hppa_objfile_private - { - struct hppa_unwind_info *unwind_info; /* a pointer */ - struct so_list *so_info; /* a pointer */ - CORE_ADDR dp; - }; - -extern const struct objfile_data *hppa_objfile_priv_data; - int hppa_get_field (unsigned word, int from, int to); int hppa_extract_5_load (unsigned int); unsigned hppa_extract_5R_store (unsigned int); @@ -192,15 +195,24 @@ unsigned hppa_extract_5r_store (unsigned int); int hppa_extract_17 (unsigned int); int hppa_extract_21 (unsigned); int hppa_extract_14 (unsigned); -int hppa_low_sign_extend (unsigned int, unsigned int); -int hppa_sign_extend (unsigned int, unsigned int); CORE_ADDR hppa_symbol_address(const char *sym); -void -hppa_frame_prev_register_helper (struct frame_info *next_frame, - struct trad_frame_saved_reg *saved_regs, - int regnum, int *optimizedp, - enum lval_type *lvalp, CORE_ADDR *addrp, - int *realnump, void *valuep); +extern struct value * + hppa_frame_prev_register_helper (struct frame_info *this_frame, + struct trad_frame_saved_reg *saved_regs, + int regnum); + +extern CORE_ADDR hppa_read_pc (struct regcache *regcache); +extern void hppa_write_pc (struct regcache *regcache, CORE_ADDR pc); +extern CORE_ADDR hppa_unwind_pc (struct gdbarch *gdbarch, + struct frame_info *next_frame); + +extern struct bound_minimal_symbol + hppa_lookup_stub_minimal_symbol (const char *name, + enum unwind_stub_types stub_type); + +extern int hppa_in_solib_call_trampoline (struct gdbarch *gdbarch, + CORE_ADDR pc); +extern CORE_ADDR hppa_skip_trampoline_code (struct frame_info *, CORE_ADDR pc); -#endif /* HPPA_TDEP_H */ +#endif /* hppa-tdep.h */