diff options
Diffstat (limited to 'gdb/hppa-tdep.c')
| -rw-r--r-- | gdb/hppa-tdep.c | 73 |
1 files changed, 44 insertions, 29 deletions
diff --git a/gdb/hppa-tdep.c b/gdb/hppa-tdep.c index 57579bcfd9a..53bb447ec7e 100644 --- a/gdb/hppa-tdep.c +++ b/gdb/hppa-tdep.c @@ -1,7 +1,8 @@ /* Target-dependent code for the HP PA architecture, for GDB. Copyright 1986, 1987, 1989, 1990, 1991, 1992, 1993, 1994, 1995, - 1996, 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. + 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software + Foundation, Inc. Contributed by the Center for Software Science at the University of Utah (pa-gdb-bugs@cs.utah.edu). @@ -193,7 +194,6 @@ int hppa32_use_struct_convention (int gcc_p, struct type *type); int hppa64_use_struct_convention (int gcc_p, struct type *type); void hppa32_store_return_value (struct type *type, char *valbuf); void hppa64_store_return_value (struct type *type, char *valbuf); -CORE_ADDR hppa_extract_struct_value_address (char *regbuf); int hppa_cannot_store_register (int regnum); void hppa_init_extra_frame_info (int fromleaf, struct frame_info *frame); CORE_ADDR hppa_frame_chain (struct frame_info *frame); @@ -2608,7 +2608,7 @@ hppa_target_write_pc (CORE_ADDR v, ptid_t ptid) write_register_pid (31, v | 0x3, ptid); write_register_pid (PC_REGNUM, v, ptid); - write_register_pid (DEPRECATED_NPC_REGNUM, v + 4, ptid); + write_register_pid (PCOQ_TAIL_REGNUM, v + 4, ptid); } /* return the alignment of a type in bytes. Structures have the maximum @@ -5005,26 +5005,6 @@ hppa_store_struct_return (CORE_ADDR addr, CORE_ADDR sp) { write_register (28, addr); } - -CORE_ADDR -hppa_extract_struct_value_address (char *regbuf) -{ - /* Extract from an array REGBUF containing the (raw) register state - the address in which a function should return its structure value, - as a CORE_ADDR (or an expression that can be used as one). */ - /* FIXME: brobecker 2002-12-26. - The current implementation is historical, but we should eventually - implement it in a more robust manner as it relies on the fact that - the address size is equal to the size of an int* _on the host_... - One possible implementation that crossed my mind is to use - extract_address. */ - /* FIXME: cagney/2003-09-27: This function can probably go. ELZ - writes: We cannot assume on the pa that r28 still contains the - address of the returned structure. Usually this will be - overwritten by the callee. */ - return (*(int *)(regbuf + DEPRECATED_REGISTER_BYTE (28))); -} - /* Return True if REGNUM is not a register available to the user through ptrace(). */ @@ -5061,6 +5041,41 @@ hppa_fetch_pointer_argument (struct frame_info *frame, int argi, return addr; } +/* Here is a table of C type sizes on hppa with various compiles + and options. I measured this on PA 9000/800 with HP-UX 11.11 + and these compilers: + + /usr/ccs/bin/cc HP92453-01 A.11.01.21 + /opt/ansic/bin/cc HP92453-01 B.11.11.28706.GP + /opt/aCC/bin/aCC B3910B A.03.45 + gcc gcc 3.3.2 native hppa2.0w-hp-hpux11.11 + + cc : 1 2 4 4 8 : 4 8 -- : 4 4 + ansic +DA1.1 : 1 2 4 4 8 : 4 8 16 : 4 4 + ansic +DA2.0 : 1 2 4 4 8 : 4 8 16 : 4 4 + ansic +DA2.0W : 1 2 4 8 8 : 4 8 16 : 8 8 + acc +DA1.1 : 1 2 4 4 8 : 4 8 16 : 4 4 + acc +DA2.0 : 1 2 4 4 8 : 4 8 16 : 4 4 + acc +DA2.0W : 1 2 4 8 8 : 4 8 16 : 8 8 + gcc : 1 2 4 4 8 : 4 8 16 : 4 4 + + Each line is: + + compiler and options + char, short, int, long, long long + float, double, long double + char *, void (*)() + + So all these compilers use either ILP32 or LP64 model. + TODO: gcc has more options so it needs more investigation. + + For floating point types, see: + + http://docs.hp.com/hpux/pdf/B3906-90006.pdf + HP-UX floating-point guide, hpux 11.00 + + -- chastain 2003-12-18 */ + static struct gdbarch * hppa_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) { @@ -5141,12 +5156,16 @@ hppa_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) set_gdbarch_deprecated_register_bytes (gdbarch, gdbarch_num_regs (gdbarch) * tdep->bytes_per_address); set_gdbarch_long_bit (gdbarch, tdep->bytes_per_address * TARGET_CHAR_BIT); - set_gdbarch_long_long_bit (gdbarch, 64); set_gdbarch_ptr_bit (gdbarch, tdep->bytes_per_address * TARGET_CHAR_BIT); + /* The following gdbarch vector elements are the same in both ILP32 + and LP64, but might show differences some day. */ + set_gdbarch_long_long_bit (gdbarch, 64); + set_gdbarch_long_double_bit (gdbarch, 128); + set_gdbarch_long_double_format (gdbarch, &floatformat_ia64_quad_big); + /* The following gdbarch vector elements do not depend on the address size, or in any other gdbarch element previously set. */ - set_gdbarch_function_start_offset (gdbarch, 0); set_gdbarch_skip_prologue (gdbarch, hppa_skip_prologue); set_gdbarch_skip_trampoline_code (gdbarch, hppa_skip_trampoline_code); set_gdbarch_in_solib_call_trampoline (gdbarch, hppa_in_solib_call_trampoline); @@ -5154,21 +5173,17 @@ hppa_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) hppa_in_solib_return_trampoline); set_gdbarch_deprecated_saved_pc_after_call (gdbarch, hppa_saved_pc_after_call); set_gdbarch_inner_than (gdbarch, hppa_inner_than); - set_gdbarch_decr_pc_after_break (gdbarch, 0); set_gdbarch_deprecated_register_size (gdbarch, tdep->bytes_per_address); set_gdbarch_deprecated_fp_regnum (gdbarch, 3); set_gdbarch_sp_regnum (gdbarch, 30); set_gdbarch_fp0_regnum (gdbarch, 64); set_gdbarch_pc_regnum (gdbarch, PCOQ_HEAD_REGNUM); - set_gdbarch_deprecated_npc_regnum (gdbarch, PCOQ_TAIL_REGNUM); set_gdbarch_deprecated_register_raw_size (gdbarch, hppa_register_raw_size); set_gdbarch_deprecated_register_byte (gdbarch, hppa_register_byte); set_gdbarch_deprecated_register_virtual_size (gdbarch, hppa_register_raw_size); set_gdbarch_deprecated_max_register_raw_size (gdbarch, tdep->bytes_per_address); set_gdbarch_deprecated_max_register_virtual_size (gdbarch, 8); set_gdbarch_deprecated_store_struct_return (gdbarch, hppa_store_struct_return); - set_gdbarch_deprecated_extract_struct_value_address - (gdbarch, hppa_extract_struct_value_address); set_gdbarch_cannot_store_register (gdbarch, hppa_cannot_store_register); set_gdbarch_deprecated_init_extra_frame_info (gdbarch, hppa_init_extra_frame_info); set_gdbarch_deprecated_frame_chain (gdbarch, hppa_frame_chain); |