-/* Common target dependent code for GDB on HPPA systems.
- Copyright 2003 Free Software Foundation, Inc.
+/* Target-dependent code for the HP PA-RISC architecture.
+
+ Copyright 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of GDB.
#ifndef HPPA_TDEP_H
#define HPPA_TDEP_H
-enum { HPPA_INSTRUCTION_SIZE = 4 };
+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. */
+
+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_PCSQ_HEAD_REGNUM = 34, /* instruction space queue head */
+ HPPA_PCOQ_TAIL_REGNUM = 35, /* instruction offset queue tail */
+ HPPA_PCSQ_TAIL_REGNUM = 36, /* instruction space queue tail */
+ HPPA_EIEM_REGNUM = 37, /* External Interrupt Enable Mask */
+ HPPA_IIR_REGNUM = 38, /* Interrupt Instruction Register */
+ HPPA_ISR_REGNUM = 39, /* Interrupt Space Register */
+ HPPA_IOR_REGNUM = 40, /* Interrupt Offset Register */
+ HPPA_SR4_REGNUM = 43, /* space register 4 */
+ HPPA_RCR_REGNUM = 51, /* Recover Counter (also known as cr0) */
+ HPPA_PID0_REGNUM = 52, /* Protection ID */
+ HPPA_PID1_REGNUM = 53, /* Protection ID */
+ HPPA_PID2_REGNUM = 55, /* Protection ID */
+ 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_FP0_REGNUM = 64, /* First floating-point. */
+ HPPA_FP4_REGNUM = 72,
+ HPPA64_FP4_REGNUM = 68,
+
+ 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. */
+};
/* Target-dependent structure in gdbarch. */
struct gdbarch_tdep
/* The number of bytes in an address. For now, this field is designed
to allow us to differentiate hppa32 from hppa64 targets. */
int bytes_per_address;
+
+ /* 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);
};
/*
IMPORT_SHLIB = 12,
};
+struct unwind_table_entry *find_unwind_entry (CORE_ADDR);
+
/* We use the objfile->obj_private pointer for two things:
* 1. An unwind table;
*
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_get_field (unsigned word, int from, int to);
+int hppa_extract_5_load (unsigned int);
+unsigned hppa_extract_5R_store (unsigned int);
+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);
+
+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);
+
#endif /* HPPA_TDEP_H */
projects / deliverable / binutils-gdb.git / blobdiff