-/* 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, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
This file is part of GDB.
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. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
#ifndef HPPA_TDEP_H
#define HPPA_TDEP_H
struct trad_frame_saved_reg;
+struct objfile;
+struct so_list;
-enum { HPPA_INSTRUCTION_SIZE = 4 };
-
-/* 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 {
+enum hppa_regnum
+{
HPPA_R0_REGNUM = 0, /* Doesn't actually exist, used as base for
other r registers. */
+ HPPA_R1_REGNUM = 1,
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 */
HPPA_IPSW_REGNUM = 41, /* Interrupt Processor Status Word */
HPPA_PCOQ_HEAD_REGNUM = 33, /* instruction offset queue head */
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_ARG3_REGNUM = 23 /* The fourth argument of a callee. */
};
+/* Instruction size. */
+#define HPPA_INSN_SIZE 4
+
/* Target-dependent structure in gdbarch. */
struct gdbarch_tdep
{
/* Is this an ELF target? This can be 64-bit HP-UX, or a 32/64-bit GNU/Linux
system. */
int is_elf;
+
+ /* Given a function address, try to find the global pointer for the
+ corresponding shared object. */
+ CORE_ADDR (*find_global_pointer) (struct value *);
+
+ /* For shared libraries, each call goes through a small piece of
+ trampoline code in the ".plt", or equivalent, section.
+ IN_SOLIB_CALL_TRAMPOLINE evaluates to nonzero if we are currently
+ stopped in one of these. */
+ int (*in_solib_call_trampoline) (CORE_ADDR pc, char *name);
+
+ /* 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 *next_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);
};
/*
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 */
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
struct hppa_unwind_info *unwind_info; /* a pointer */
struct so_list *so_info; /* a pointer */
CORE_ADDR dp;
+
+ int dummy_call_sequence_reg;
+ CORE_ADDR dummy_call_sequence_addr;
};
extern const struct objfile_data *hppa_objfile_priv_data;
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);
+
+extern 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, gdb_byte *valuep);
+
+extern CORE_ADDR hppa_read_pc (ptid_t ptid);
+extern void hppa_write_pc (CORE_ADDR pc, ptid_t ptid);
+extern CORE_ADDR hppa_unwind_pc (struct gdbarch *gdbarch,
+ struct frame_info *next_frame);
+
+extern struct minimal_symbol *
+ hppa_lookup_stub_minimal_symbol (const char *name,
+ enum unwind_stub_types stub_type);
+
+extern struct hppa_objfile_private *
+hppa_init_objfile_priv_data (struct objfile *objfile);
-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 int hppa_in_solib_call_trampoline (CORE_ADDR pc, char *name);
+extern CORE_ADDR hppa_skip_trampoline_code (CORE_ADDR pc);
-#endif /* HPPA_TDEP_H */
+#endif /* hppa-tdep.h */
projects / deliverable / binutils-gdb.git / blobdiff