diff options
| -rw-r--r-- | gdb/ChangeLog | 38 | ||||
| -rw-r--r-- | gdb/Makefile.in | 3 | ||||
| -rw-r--r-- | gdb/config/pa/tm-hppa64.h | 203 | ||||
| -rw-r--r-- | gdb/config/pa/tm-hppah.h | 6 | ||||
| -rw-r--r-- | gdb/hppa-hpux-tdep.c | 81 | ||||
| -rw-r--r-- | gdb/hppa-tdep.c | 216 | ||||
| -rw-r--r-- | gdb/hppa-tdep.h | 32 |
7 files changed, 335 insertions, 244 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index b6031367ec4..84da3a273b0 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,41 @@ +2003-08-15 J. Brobecker <brobecker@gnat.com> + + Further multiarching work mostly for hppa64-*-hpux11: + * hppa-tdep.h: New file. + * hppa-tdep.c: #include hppa-tdep.c. + (hppa32_num_regs): Renamed from hppa_num_regs. + (hppa64_num_regs): New constant. + (hppa64_call_dummy_breakpoint_offset): New constant. + (hppa32_call_dummy_length): New constant. + (hppa64_call_dummy_length): New constant. + (hppa32_stack_align): Make name 32bit explicit. + (hppa32_register_virtual_type): Likewise. + (hppa32_extract_return_value): Likewise. + (hppa32_use_struct_convention): Likewise. + (hppa32_store_return_value): Likewise. + (hppa64_register_virtual_type): New function. + (hppa64_extract_return_value): New function. + (hppa64_use_struct_convention): New function. + (hppa64_store_return_value): New function. + (hppa_frame_locals_address): Remove declaration, function does + not exist anymore. + (hppa_register_byte): Add support for PA64 ABI. + (hppa_gdbarch_init): Add support for PA64 ABI. + * hppa-hpux-tdep.c (hppa32_hpux_frame_saved_pc_in_sigtramp): + Make name 32bit explicit. + (hppa32_hpux_frame_base_before_sigtramp): Likewise. + (hppa32_hpux_frame_find_saved_regs_in_sigtramp): Likewise. + (hppa64_hpux_frame_saved_pc_in_sigtramp): New function. + (hppa64_hpux_frame_base_before_sigtramp): New function. + (hppa64_hpux_frame_find_saved_regs_in_sigtramp): New function. + * config/pa/tm-hppa64.h: Remove macros that are no longer + necessary now that the gdbarch vector is properly setup. + Transform some macros into function calls. Some minor cleanup. + * config/pa/tm-hppah.h: Update function calls in macros + following the function renaming in hppa-hpux-tdep.c. + * Makefile.in (hppa_tdep_h): New variable. + (hppa-tdep.o): Add dependency over hppa_tdep_h. + 2003-08-14 Michael Snyder <msnyder@redhat.com> * disasm.c (gdb_disassemble_info): Set info->insn_sets to zero. diff --git a/gdb/Makefile.in b/gdb/Makefile.in index 436ea1f2936..21910e13ef7 100644 --- a/gdb/Makefile.in +++ b/gdb/Makefile.in @@ -687,6 +687,7 @@ gdb_vfork_h = gdb_vfork.h gdb_wait_h = gdb_wait.h gnu_nat_h = gnu-nat.h gregset_h = gregset.h +hppa_tdep_h = hppa-tdep.h i386_linux_tdep_h = i386-linux-tdep.h i386_tdep_h = i386-tdep.h i387_tdep_h = i387-tdep.h @@ -1801,7 +1802,7 @@ hppa-tdep.o: hppa-tdep.c $(defs_h) $(frame_h) $(bfd_h) $(inferior_h) \ $(value_h) $(regcache_h) $(completer_h) $(language_h) $(osabi_h) \ $(gdb_assert_h) $(infttrace_h) $(symtab_h) $(infcall_h) \ $(a_out_encap_h) $(gdb_stat_h) $(gdb_wait_h) $(gdbcore_h) \ - $(gdbcmd_h) $(target_h) $(symfile_h) $(objfiles_h) + $(gdbcmd_h) $(target_h) $(symfile_h) $(objfiles_h) $(hppa_tdep_h) hpread.o: hpread.c $(defs_h) $(bfd_h) $(gdb_string_h) $(hp_symtab_h) \ $(syms_h) $(symtab_h) $(symfile_h) $(objfiles_h) $(buildsym_h) \ $(complaints_h) $(gdb_stabs_h) $(gdbtypes_h) $(demangle_h) \ diff --git a/gdb/config/pa/tm-hppa64.h b/gdb/config/pa/tm-hppa64.h index 5fcaa2cc196..8999edf2dcb 100644 --- a/gdb/config/pa/tm-hppa64.h +++ b/gdb/config/pa/tm-hppa64.h @@ -21,10 +21,6 @@ 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. */ -struct type; -struct value; -struct frame_info; - /* PA 64-bit specific definitions. Override those which are in tm-hppa.h */ @@ -43,86 +39,13 @@ struct frame_info; #include "pa/tm-hppah.h" -/* Say how long (ordinary) registers are. This is used in - push_word and a few other places, but REGISTER_RAW_SIZE is - the real way to know how big a register is. */ - -#undef DEPRECATED_REGISTER_SIZE -#define DEPRECATED_REGISTER_SIZE 8 - -/* Number of bytes of storage in the actual machine representation - for register N. On the PA-RISC 2.0, all regs are 8 bytes, including - the FP registers (they're accessed as two 4 byte halves). */ - -#undef REGISTER_RAW_SIZE -#define REGISTER_RAW_SIZE(N) 8 - -/* Largest value REGISTER_RAW_SIZE can have. */ - -#undef DEPRECATED_MAX_REGISTER_RAW_SIZE -#define DEPRECATED_MAX_REGISTER_RAW_SIZE 8 - -/* Total amount of space needed to store our copies of the machine's - register state, the array `registers'. */ - -#undef DEPRECATED_REGISTER_BYTES -#define DEPRECATED_REGISTER_BYTES (NUM_REGS * 8) - -/* Index within `registers' of the first byte of the space for - register N. */ - -#undef REGISTER_BYTE -#define REGISTER_BYTE(N) ((N) * 8) - -#undef REGISTER_VIRTUAL_TYPE -#define REGISTER_VIRTUAL_TYPE(N) \ - ((N) < FP4_REGNUM ? builtin_type_unsigned_long_long : builtin_type_double) - - -/* Number of machine registers */ -#undef NUM_REGS -#define NUM_REGS 96 - -/* Initializer for an array of names of registers. - There should be NUM_REGS strings in this initializer. - They are in rows of eight entries */ -extern const char *hppa64_register_name (int i); -#define REGISTER_NAME hppa64_register_name - -#undef FP0_REGNUM #undef FP4_REGNUM -#define FP0_REGNUM 64 /* floating point reg. 0 (fspr)*/ #define FP4_REGNUM 68 - -/* Redefine some target bit sizes from the default. */ - -/* Number of bits in a long or unsigned long for the target machine. */ - -#define TARGET_LONG_BIT 64 - -/* Number of bits in a long long or unsigned long long for the - target machine. */ - -#define TARGET_LONG_LONG_BIT 64 - -/* Number of bits in a pointer for the target machine */ - -#define TARGET_PTR_BIT 64 - -/* Argument Pointer Register */ -#define AP_REGNUM 29 - +#define AP_REGNUM 29 /* Argument Pointer Register */ #define DP_REGNUM 27 - #define FP5_REGNUM 70 - #define SR5_REGNUM 48 -/* We access locals from SP. This may not work for frames which call - alloca; for those, we may need to consult unwind tables. - jimb: FIXME. */ -#undef DEPRECATED_FRAME_LOCALS_ADDRESS -#define DEPRECATED_FRAME_LOCALS_ADDRESS(fi) (get_frame_base (fi)) /* For a number of horrible reasons we may have to adjust the location of variables on the stack. Ugh. jimb: why? */ @@ -179,19 +102,6 @@ call_dummy 0xe820f0000fb110d3LL, 0x0001000400151820LL,\ 0xe6c0000008000240LL} -#define DEPRECATED_CALL_DUMMY_BREAKPOINT_OFFSET 22 * 4 - -/* DEPRECATED_CALL_DUMMY_LENGTH is computed based on the size of a - word on the target machine, not the size of an instruction. Since - a word on this target holds two instructions we have to divide the - instruction size by two to get the word size of the dummy. */ -#undef DEPRECATED_CALL_DUMMY_LENGTH -#define DEPRECATED_CALL_DUMMY_LENGTH (INSTRUCTION_SIZE * 26 / 2) - -/* The PA64 ABI mandates a 16 byte stack alignment. */ -#undef STACK_ALIGN -#define STACK_ALIGN(arg) ( ((arg)%16) ? (((arg)+15)&-16) : (arg)) - /* The PA64 ABI reserves 64 bytes of stack space for outgoing register parameters. */ #undef REG_PARM_STACK_SPACE @@ -205,115 +115,22 @@ call_dummy #undef SR4EXPORT_LDIL_OFFSET #undef SR4EXPORT_LDO_OFFSET -#undef REG_STRUCT_HAS_ADDR - -#undef DEPRECATED_EXTRACT_RETURN_VALUE -/* RM: floats are returned in FR4R, doubles in FR4 - * integral values are in r28, padded on the left - * aggregates less that 65 bits are in r28, right padded - * aggregates upto 128 bits are in r28 and r29, right padded - */ -#define DEPRECATED_EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ - { \ - if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \ - memcpy ((VALBUF), \ - ((char *)(REGBUF)) + REGISTER_BYTE (FP4_REGNUM) + \ - (DEPRECATED_REGISTER_SIZE - TYPE_LENGTH (TYPE)), \ - TYPE_LENGTH (TYPE)); \ - else if (is_integral_type(TYPE)) \ - memcpy ((VALBUF), \ - (char *)(REGBUF) + REGISTER_BYTE (28) + \ - (DEPRECATED_REGISTER_SIZE - TYPE_LENGTH (TYPE)), \ - TYPE_LENGTH (TYPE)); \ - else if (TYPE_LENGTH (TYPE) <= 8) \ - memcpy ((VALBUF), \ - (char *)(REGBUF) + REGISTER_BYTE (28), \ - TYPE_LENGTH (TYPE)); \ - else if (TYPE_LENGTH (TYPE) <= 16) \ - { \ - memcpy ((VALBUF), \ - (char *)(REGBUF) + REGISTER_BYTE (28), \ - 8); \ - memcpy (((char *) VALBUF + 8), \ - (char *)(REGBUF) + REGISTER_BYTE (29), \ - TYPE_LENGTH (TYPE) - 8); \ - } \ - } - -/* RM: struct upto 128 bits are returned in registers */ -#undef USE_STRUCT_CONVENTION -#define USE_STRUCT_CONVENTION(gcc_p, value_type)\ - (TYPE_LENGTH (value_type) > 16) - -/* RM: for return command */ -#undef DEPRECATED_STORE_RETURN_VALUE -#define DEPRECATED_STORE_RETURN_VALUE(TYPE,VALBUF) \ - { \ - if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \ - deprecated_write_register_bytes \ - (REGISTER_BYTE (FP4_REGNUM) + \ - (DEPRECATED_REGISTER_SIZE - TYPE_LENGTH (TYPE)), \ - (VALBUF), \ - TYPE_LENGTH (TYPE)); \ - else if (is_integral_type(TYPE)) \ - deprecated_write_register_bytes \ - (REGISTER_BYTE (28) + \ - (DEPRECATED_REGISTER_SIZE - TYPE_LENGTH (TYPE)), \ - (VALBUF), \ - TYPE_LENGTH (TYPE)); \ - else if (TYPE_LENGTH (TYPE) <= 8) \ - deprecated_write_register_bytes \ - ( REGISTER_BYTE (28), \ - (VALBUF), \ - TYPE_LENGTH (TYPE)); \ - else if (TYPE_LENGTH (TYPE) <= 16) \ - { \ - deprecated_write_register_bytes \ - (REGISTER_BYTE (28), \ - (VALBUF), \ - 8); \ - deprecated_write_register_bytes \ - (REGISTER_BYTE (29), \ - ((char *) VALBUF + 8), \ - TYPE_LENGTH (TYPE) - 8); \ - } \ - } - -/* RM: these are the PA64 equivalents of the macros in tm-hppah.h -- - * see comments there. For PA64, the save_state structure is at an - * offset of 24 32-bit words from the sigcontext structure. The 64 bit - * general registers are at an offset of 640 bytes from the beginning of the - * save_state structure, and the floating pointer register are at an offset - * of 256 bytes from the beginning of the save_state structure. - */ #undef FRAME_SAVED_PC_IN_SIGTRAMP +extern void hppa64_hpux_frame_saved_pc_in_sigtramp (struct frame_info *fi, + CORE_ADDR *tmp); #define FRAME_SAVED_PC_IN_SIGTRAMP(FRAME, TMP) \ -{ \ - *(TMP) = read_memory_integer (get_frame_base (FRAME) + (24 * 4) + 640 + (33 * 8), 8); \ -} + hppa64_hpux_frame_saved_pc_in_sigtramp (FRAME, TMP) #undef FRAME_BASE_BEFORE_SIGTRAMP +extern void hppa64_hpux_frame_base_before_sigtramp (struct frame_info *fi, + CORE_ADDR *tmp); #define FRAME_BASE_BEFORE_SIGTRAMP(FRAME, TMP) \ -{ \ - *(TMP) = read_memory_integer (get_frame_base (FRAME) + (24 * 4) + 640 + (30 * 8), 8); \ -} + hppa64_hpux_frame_base_before_sigtramp (FRAME, TMP) #undef FRAME_FIND_SAVED_REGS_IN_SIGTRAMP +extern void hppa64_hpux_frame_find_saved_regs_in_sigtramp + (struct frame_info *fi, CORE_ADDR *fsr); #define FRAME_FIND_SAVED_REGS_IN_SIGTRAMP(FRAME, FSR) \ -{ \ - int i; \ - CORE_ADDR TMP1, TMP2; \ - TMP1 = get_frame_base (FRAME) + (24 * 4) + 640; \ - TMP2 = get_frame_base (FRAME) + (24 * 4) + 256; \ - for (i = 0; i < NUM_REGS; i++) \ - { \ - if (i == SP_REGNUM) \ - (FSR)[SP_REGNUM] = read_memory_integer (TMP1 + SP_REGNUM * 8, 8); \ - else if (i >= FP0_REGNUM) \ - (FSR)[i] = TMP2 + (i - FP0_REGNUM) * 8; \ - else \ - (FSR)[i] = TMP1 + i * 8; \ - } \ -} + hppa64_hpux_frame_find_saved_regs_in_sigtramp (FRAME, FSR) /* jimb: omitted purify call support */ diff --git a/gdb/config/pa/tm-hppah.h b/gdb/config/pa/tm-hppah.h index 345baafb4dc..325af819536 100644 --- a/gdb/config/pa/tm-hppah.h +++ b/gdb/config/pa/tm-hppah.h @@ -38,17 +38,17 @@ struct frame_info; extern void hppa_hpux_frame_saved_pc_in_sigtramp (struct frame_info *fi, CORE_ADDR *tmp); #define FRAME_SAVED_PC_IN_SIGTRAMP(FRAME, TMP) \ - hppa_hpux_frame_saved_pc_in_sigtramp (FRAME, TMP) + hppa32_hpux_frame_saved_pc_in_sigtramp (FRAME, TMP) extern void hppa_hpux_frame_base_before_sigtramp (struct frame_info *fi, CORE_ADDR *tmp); #define FRAME_BASE_BEFORE_SIGTRAMP(FRAME, TMP) \ - hppa_hpux_frame_base_before_sigtramp (FRAME, TMP) + hppa32_hpux_frame_base_before_sigtramp (FRAME, TMP) extern void hppa_hpux_frame_find_saved_regs_in_sigtramp (struct frame_info *fi, CORE_ADDR *fsr); #define FRAME_FIND_SAVED_REGS_IN_SIGTRAMP(FRAME, FSR) \ - hppa_hpux_frame_find_saved_regs_in_sigtramp (FRAME, FSR) + hppa32_hpux_frame_find_saved_regs_in_sigtramp (FRAME, FSR) /* For HP-UX on PA-RISC we have an implementation for the exception handling target op (in hppa-tdep.c) */ diff --git a/gdb/hppa-hpux-tdep.c b/gdb/hppa-hpux-tdep.c index e7849bf4b3f..62271ffbc14 100644 --- a/gdb/hppa-hpux-tdep.c +++ b/gdb/hppa-hpux-tdep.c @@ -32,12 +32,18 @@ extern initialize_file_ftype _initialize_hppa_hpux_tdep; /* FIXME: brobecker 2002-12-25. The following functions will eventually become static, after the multiarching conversion is done. */ int hppa_hpux_pc_in_sigtramp (CORE_ADDR pc, char *name); -void hppa_hpux_frame_saved_pc_in_sigtramp (struct frame_info *fi, - CORE_ADDR *tmp); -void hppa_hpux_frame_base_before_sigtramp (struct frame_info *fi, - CORE_ADDR *tmp); -void hppa_hpux_frame_find_saved_regs_in_sigtramp - (struct frame_info *fi, CORE_ADDR *fsr); +void hppa32_hpux_frame_saved_pc_in_sigtramp (struct frame_info *fi, + CORE_ADDR *tmp); +void hppa32_hpux_frame_base_before_sigtramp (struct frame_info *fi, + CORE_ADDR *tmp); +void hppa32_hpux_frame_find_saved_regs_in_sigtramp (struct frame_info *fi, + CORE_ADDR *fsr); +void hppa64_hpux_frame_saved_pc_in_sigtramp (struct frame_info *fi, + CORE_ADDR *tmp); +void hppa64_hpux_frame_base_before_sigtramp (struct frame_info *fi, + CORE_ADDR *tmp); +void hppa64_hpux_frame_find_saved_regs_in_sigtramp (struct frame_info *fi, + CORE_ADDR *fsr); int hppa_hpux_pc_in_sigtramp (CORE_ADDR pc, char *name) @@ -48,9 +54,9 @@ hppa_hpux_pc_in_sigtramp (CORE_ADDR pc, char *name) return (name && (strcmp ("_sigreturn", name) == 0)); } -/* For hppa_hpux_frame_saved_pc_in_sigtramp, - hppa_hpux_frame_base_before_sigtramp and - hppa_hpux_frame_find_saved_regs_in_sigtramp: +/* For hppa32_hpux_frame_saved_pc_in_sigtramp, + hppa32_hpux_frame_base_before_sigtramp and + hppa32_hpux_frame_find_saved_regs_in_sigtramp: The signal context structure pointer is always saved at the base of the frame which "calls" the signal handler. We only want to find @@ -67,21 +73,21 @@ hppa_hpux_pc_in_sigtramp (CORE_ADDR pc, char *name) written. */ void -hppa_hpux_frame_saved_pc_in_sigtramp (struct frame_info *fi, CORE_ADDR *tmp) +hppa32_hpux_frame_saved_pc_in_sigtramp (struct frame_info *fi, CORE_ADDR *tmp) { *tmp = read_memory_integer (get_frame_base (fi) + (43 * 4), 4); } void -hppa_hpux_frame_base_before_sigtramp (struct frame_info *fi, - CORE_ADDR *tmp) +hppa32_hpux_frame_base_before_sigtramp (struct frame_info *fi, + CORE_ADDR *tmp) { *tmp = read_memory_integer (get_frame_base (fi) + (40 * 4), 4); } void -hppa_hpux_frame_find_saved_regs_in_sigtramp (struct frame_info *fi, - CORE_ADDR *fsr) +hppa32_hpux_frame_find_saved_regs_in_sigtramp (struct frame_info *fi, + CORE_ADDR *fsr) { int i; const CORE_ADDR tmp = get_frame_base (fi) + (10 * 4); @@ -95,6 +101,53 @@ hppa_hpux_frame_find_saved_regs_in_sigtramp (struct frame_info *fi, } } +/* For hppa64_hpux_frame_saved_pc_in_sigtramp, + hppa64_hpux_frame_base_before_sigtramp and + hppa64_hpux_frame_find_saved_regs_in_sigtramp: + + These functions are the PA64 ABI equivalents of the 32bits counterparts + above. See the comments there. + + For PA64, the save_state structure is at an offset of 24 32-bit words + from the sigcontext structure. The 64 bit general registers are at an + offset of 640 bytes from the beginning of the save_state structure, + and the floating pointer register are at an offset of 256 bytes from + the beginning of the save_state structure. */ + +void +hppa64_hpux_frame_saved_pc_in_sigtramp (struct frame_info *fi, CORE_ADDR *tmp) +{ + *tmp = read_memory_integer + (get_frame_base (fi) + (24 * 4) + 640 + (33 * 8), 8); +} + +void +hppa64_hpux_frame_base_before_sigtramp (struct frame_info *fi, + CORE_ADDR *tmp) +{ + *tmp = read_memory_integer + (get_frame_base (fi) + (24 * 4) + 640 + (30 * 8), 8); +} + +void +hppa64_hpux_frame_find_saved_regs_in_sigtramp (struct frame_info *fi, + CORE_ADDR *fsr) +{ + int i; + const CORE_ADDR tmp1 = get_frame_base (fi) + (24 * 4) + 640; + const CORE_ADDR tmp2 = get_frame_base (fi) + (24 * 4) + 256; + + for (i = 0; i < NUM_REGS; i++) + { + if (i == SP_REGNUM) + fsr[SP_REGNUM] = read_memory_integer (tmp1 + SP_REGNUM * 8, 8); + else if (i >= FP0_REGNUM) + fsr[i] = tmp2 + (i - FP0_REGNUM) * 8; + else + fsr[i] = tmp1 + i * 8; + } +} + static void hppa_hpux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) { diff --git a/gdb/hppa-tdep.c b/gdb/hppa-tdep.c index 8e50aef0060..699cd74a2a8 100644 --- a/gdb/hppa-tdep.c +++ b/gdb/hppa-tdep.c @@ -64,9 +64,20 @@ #include "target.h" #include "symfile.h" #include "objfiles.h" +#include "hppa-tdep.h" /* Some local constants. */ -static const int hppa_num_regs = 128; +static const int hppa32_num_regs = 128; +static const int hppa64_num_regs = 96; + +static const int hppa64_call_dummy_breakpoint_offset = 22 * 4; + +/* DEPRECATED_CALL_DUMMY_LENGTH is computed based on the size of a + word on the target machine, not the size of an instruction. Since + a word on this target holds two instructions we have to divide the + instruction size by two to get the word size of the dummy. */ +static const int hppa32_call_dummy_length = INSTRUCTION_SIZE * 28; +static const int hppa64_call_dummy_length = INSTRUCTION_SIZE * 26 / 2; /* Get at various relevent fields of an instruction word. */ #define MASK_5 0x1f @@ -164,16 +175,23 @@ int hppa_in_solib_call_trampoline (CORE_ADDR pc, char *name); int hppa_in_solib_return_trampoline (CORE_ADDR pc, char *name); CORE_ADDR hppa_saved_pc_after_call (struct frame_info *frame); int hppa_inner_than (CORE_ADDR lhs, CORE_ADDR rhs); -CORE_ADDR hppa_stack_align (CORE_ADDR sp); +CORE_ADDR hppa32_stack_align (CORE_ADDR sp); +CORE_ADDR hppa64_stack_align (CORE_ADDR sp); int hppa_pc_requires_run_before_use (CORE_ADDR pc); int hppa_instruction_nullified (void); int hppa_register_raw_size (int reg_nr); int hppa_register_byte (int reg_nr); -struct type * hppa_register_virtual_type (int reg_nr); +struct type * hppa32_register_virtual_type (int reg_nr); +struct type * hppa64_register_virtual_type (int reg_nr); void hppa_store_struct_return (CORE_ADDR addr, CORE_ADDR sp); -void hppa_extract_return_value (struct type *type, char *regbuf, char *valbuf); -int hppa_use_struct_convention (int gcc_p, struct type *type); -void hppa_store_return_value (struct type *type, char *valbuf); +void hppa32_extract_return_value (struct type *type, char *regbuf, + char *valbuf); +void hppa64_extract_return_value (struct type *type, char *regbuf, + char *valbuf); +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); @@ -182,7 +200,6 @@ int hppa_frame_chain_valid (CORE_ADDR chain, struct frame_info *thisframe); int hppa_frameless_function_invocation (struct frame_info *frame); CORE_ADDR hppa_frame_saved_pc (struct frame_info *frame); CORE_ADDR hppa_frame_args_address (struct frame_info *fi); -CORE_ADDR hppa_frame_locals_address (struct frame_info *fi); int hppa_frame_num_args (struct frame_info *frame); void hppa_push_dummy_frame (void); void hppa_pop_frame (void); @@ -217,11 +234,19 @@ extern int exception_catchpoints_are_fragile; /* Should call_function allocate stack space for a struct return? */ int -hppa_use_struct_convention (int gcc_p, struct type *type) +hppa32_use_struct_convention (int gcc_p, struct type *type) { return (TYPE_LENGTH (type) > 2 * DEPRECATED_REGISTER_SIZE); } - + +/* Same as hppa32_use_struct_convention() for the PA64 ABI. */ + +int +hppa64_use_struct_convention (int gcc_p, struct type *type) +{ + /* RM: struct upto 128 bits are returned in registers */ + return TYPE_LENGTH (type) > 16; +} /* Routines to extract various sized constants out of hppa instructions. */ @@ -681,7 +706,7 @@ hppa_breakpoint_from_pc (CORE_ADDR *pc, int *len) /* Return the name of a register. */ const char * -hppa_register_name (int i) +hppa32_register_name (int i) { static char *names[] = { "flags", "r1", "rp", "r3", @@ -4782,7 +4807,7 @@ hppa_skip_permanent_breakpoint (void) Called only in the context of the "return" command. */ void -hppa_store_return_value (struct type *type, char *valbuf) +hppa32_store_return_value (struct type *type, char *valbuf) { /* For software floating point, the return value goes into the integer registers. But we do not have any flag to key this on, @@ -4800,6 +4825,32 @@ hppa_store_return_value (struct type *type, char *valbuf) valbuf, TYPE_LENGTH (type)); } +/* Same as hppa32_store_return_value(), but for the PA64 ABI. */ + +void +hppa64_store_return_value (struct type *type, char *valbuf) +{ + if (TYPE_CODE (type) == TYPE_CODE_FLT) + deprecated_write_register_bytes + (REGISTER_BYTE (FP4_REGNUM) + + DEPRECATED_REGISTER_SIZE - TYPE_LENGTH (type), + valbuf, TYPE_LENGTH (type)); + else if (is_integral_type(type)) + deprecated_write_register_bytes + (REGISTER_BYTE (28) + + DEPRECATED_REGISTER_SIZE - TYPE_LENGTH (type), + valbuf, TYPE_LENGTH (type)); + else if (TYPE_LENGTH (type) <= 8) + deprecated_write_register_bytes + (REGISTER_BYTE (28),valbuf, TYPE_LENGTH (type)); + else if (TYPE_LENGTH (type) <= 16) + { + deprecated_write_register_bytes (REGISTER_BYTE (28),valbuf, 8); + deprecated_write_register_bytes + (REGISTER_BYTE (29), valbuf + 8, TYPE_LENGTH (type) - 8); + } +} + /* Copy the function's return value into VALBUF. This function is called only in the context of "target function calls", @@ -4808,15 +4859,13 @@ hppa_store_return_value (struct type *type, char *valbuf) "return" command. */ void -hppa_extract_return_value (struct type *type, char *regbuf, char *valbuf) +hppa32_extract_return_value (struct type *type, char *regbuf, char *valbuf) { if (TYPE_CODE (type) == TYPE_CODE_FLT) - memcpy (valbuf, - (char *)regbuf + REGISTER_BYTE (FP4_REGNUM), - TYPE_LENGTH (type)); + memcpy (valbuf, regbuf + REGISTER_BYTE (FP4_REGNUM), TYPE_LENGTH (type)); else memcpy (valbuf, - ((char *)regbuf + (regbuf + REGISTER_BYTE (28) + (TYPE_LENGTH (type) > 4 ? (8 - TYPE_LENGTH (type)) @@ -4824,6 +4873,34 @@ hppa_extract_return_value (struct type *type, char *regbuf, char *valbuf) TYPE_LENGTH (type)); } +/* Same as hppa32_extract_return_value but for the PA64 ABI case. */ + +void +hppa64_extract_return_value (struct type *type, char *regbuf, char *valbuf) +{ + /* RM: Floats are returned in FR4R, doubles in FR4. + Integral values are in r28, padded on the left. + Aggregates less that 65 bits are in r28, right padded. + Aggregates upto 128 bits are in r28 and r29, right padded. */ + if (TYPE_CODE (type) == TYPE_CODE_FLT) + memcpy (valbuf, + regbuf + REGISTER_BYTE (FP4_REGNUM) + + DEPRECATED_REGISTER_SIZE - TYPE_LENGTH (type), + TYPE_LENGTH (type)); + else if (is_integral_type(type)) + memcpy (valbuf, + regbuf + REGISTER_BYTE (28) + + DEPRECATED_REGISTER_SIZE - TYPE_LENGTH (type), + TYPE_LENGTH (type)); + else if (TYPE_LENGTH (type) <= 8) + memcpy (valbuf, regbuf + REGISTER_BYTE (28), TYPE_LENGTH (type)); + else if (TYPE_LENGTH (type) <= 16) + { + memcpy (valbuf, regbuf + REGISTER_BYTE (28), 8); + memcpy (valbuf + 8, regbuf + REGISTER_BYTE (29), TYPE_LENGTH (type) - 8); + } +} + int hppa_reg_struct_has_addr (int gcc_p, struct type *type) { @@ -4840,7 +4917,7 @@ hppa_inner_than (CORE_ADDR lhs, CORE_ADDR rhs) } CORE_ADDR -hppa_stack_align (CORE_ADDR sp) +hppa32_stack_align (CORE_ADDR sp) { /* elz: adjust the quantity to the next highest value which is 64-bit aligned. This is used in valops.c, when the sp is adjusted. @@ -4848,6 +4925,13 @@ hppa_stack_align (CORE_ADDR sp) return ((sp % 8) ? (sp + 7) & -8 : sp); } +CORE_ADDR +hppa64_stack_align (CORE_ADDR sp) +{ + /* The PA64 ABI mandates a 16 byte stack alignment. */ + return ((sp % 16) ? (sp + 15) & -16 : sp); +} + int hppa_pc_requires_run_before_use (CORE_ADDR pc) { @@ -4901,14 +4985,16 @@ hppa_register_raw_size (int reg_nr) int hppa_register_byte (int reg_nr) { - return reg_nr * 4; + struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); + + return reg_nr * tdep->bytes_per_address; } /* Return the GDB type object for the "standard" data type of data in register N. */ struct type * -hppa_register_virtual_type (int reg_nr) +hppa32_register_virtual_type (int reg_nr) { if (reg_nr < FP4_REGNUM) return builtin_type_int; @@ -4916,6 +5002,18 @@ hppa_register_virtual_type (int reg_nr) return builtin_type_float; } +/* Return the GDB type object for the "standard" data type of data + in register N. hppa64 version. */ + +struct type * +hppa64_register_virtual_type (int reg_nr) +{ + if (reg_nr < FP4_REGNUM) + return builtin_type_unsigned_long_long; + else + return builtin_type_double; +} + /* Store the address of the place in which to copy the structure the subroutine will return. This is called from call_function. */ @@ -4979,6 +5077,7 @@ hppa_fetch_pointer_argument (struct frame_info *frame, int argi, static struct gdbarch * hppa_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) { + struct gdbarch_tdep *tdep; struct gdbarch *gdbarch; /* Try to determine the ABI of the object we are loading. */ @@ -4995,9 +5094,70 @@ hppa_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) return (arches->gdbarch); /* If none found, then allocate and initialize one. */ - gdbarch = gdbarch_alloc (&info, NULL); + tdep = XMALLOC (struct gdbarch_tdep); + gdbarch = gdbarch_alloc (&info, tdep); + + /* Determine from the bfd_arch_info structure if we are dealing with + a 32 or 64 bits architecture. If the bfd_arch_info is not available, + then default to a 32bit machine. */ + if (info.bfd_arch_info != NULL) + tdep->bytes_per_address = + info.bfd_arch_info->bits_per_address / info.bfd_arch_info->bits_per_byte; + else + tdep->bytes_per_address = 4; + + /* Some parts of the gdbarch vector depend on whether we are running + on a 32 bits or 64 bits target. */ + switch (tdep->bytes_per_address) + { + case 4: + set_gdbarch_num_regs (gdbarch, hppa32_num_regs); + set_gdbarch_register_name (gdbarch, hppa32_register_name); + set_gdbarch_deprecated_register_virtual_type + (gdbarch, hppa32_register_virtual_type); + set_gdbarch_deprecated_call_dummy_length + (gdbarch, hppa32_call_dummy_length); + set_gdbarch_stack_align (gdbarch, hppa32_stack_align); + set_gdbarch_reg_struct_has_addr (gdbarch, hppa_reg_struct_has_addr); + set_gdbarch_deprecated_extract_return_value + (gdbarch, hppa32_extract_return_value); + set_gdbarch_use_struct_convention + (gdbarch, hppa32_use_struct_convention); + set_gdbarch_deprecated_store_return_value + (gdbarch, hppa32_store_return_value); + break; + case 8: + set_gdbarch_num_regs (gdbarch, hppa64_num_regs); + set_gdbarch_register_name (gdbarch, hppa64_register_name); + set_gdbarch_deprecated_register_virtual_type + (gdbarch, hppa64_register_virtual_type); + set_gdbarch_deprecated_call_dummy_breakpoint_offset + (gdbarch, hppa64_call_dummy_breakpoint_offset); + set_gdbarch_deprecated_call_dummy_length + (gdbarch, hppa64_call_dummy_length); + set_gdbarch_stack_align (gdbarch, hppa64_stack_align); + set_gdbarch_deprecated_extract_return_value + (gdbarch, hppa64_extract_return_value); + set_gdbarch_use_struct_convention + (gdbarch, hppa64_use_struct_convention); + set_gdbarch_deprecated_store_return_value + (gdbarch, hppa64_store_return_value); + break; + default: + internal_error (__FILE__, __LINE__, "Unsupported address size: %d", + tdep->bytes_per_address); + } + + /* The following gdbarch vector elements depend on other parts of this + vector which have been set above, depending on the ABI. */ + 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); - set_gdbarch_reg_struct_has_addr (gdbarch, hppa_reg_struct_has_addr); + /* 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); @@ -5006,28 +5166,19 @@ 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_stack_align (gdbarch, hppa_stack_align); set_gdbarch_decr_pc_after_break (gdbarch, 0); - set_gdbarch_deprecated_register_size (gdbarch, 4); - set_gdbarch_num_regs (gdbarch, hppa_num_regs); + 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_npc_regnum (gdbarch, PCOQ_TAIL_REGNUM); set_gdbarch_deprecated_register_raw_size (gdbarch, hppa_register_raw_size); - set_gdbarch_deprecated_register_bytes (gdbarch, hppa_num_regs * 4); 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, 4); + set_gdbarch_deprecated_max_register_raw_size (gdbarch, tdep->bytes_per_address); set_gdbarch_deprecated_max_register_virtual_size (gdbarch, 8); - set_gdbarch_deprecated_register_virtual_type (gdbarch, hppa_register_virtual_type); - set_gdbarch_register_name (gdbarch, hppa_register_name); set_gdbarch_deprecated_store_struct_return (gdbarch, hppa_store_struct_return); - set_gdbarch_deprecated_extract_return_value (gdbarch, - hppa_extract_return_value); - set_gdbarch_use_struct_convention (gdbarch, hppa_use_struct_convention); - set_gdbarch_deprecated_store_return_value (gdbarch, hppa_store_return_value); set_gdbarch_deprecated_extract_struct_value_address (gdbarch, hppa_extract_struct_value_address); set_gdbarch_cannot_store_register (gdbarch, hppa_cannot_store_register); @@ -5040,7 +5191,6 @@ hppa_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) set_gdbarch_frame_args_skip (gdbarch, 0); set_gdbarch_deprecated_push_dummy_frame (gdbarch, hppa_push_dummy_frame); set_gdbarch_deprecated_pop_frame (gdbarch, hppa_pop_frame); - set_gdbarch_deprecated_call_dummy_length (gdbarch, INSTRUCTION_SIZE * 28); /* set_gdbarch_deprecated_fix_call_dummy (gdbarch, hppa_fix_call_dummy); */ set_gdbarch_deprecated_push_arguments (gdbarch, hppa_push_arguments); set_gdbarch_addr_bits_remove (gdbarch, hppa_smash_text_address); diff --git a/gdb/hppa-tdep.h b/gdb/hppa-tdep.h new file mode 100644 index 00000000000..05a4e8965ad --- /dev/null +++ b/gdb/hppa-tdep.h @@ -0,0 +1,32 @@ +/* Common target dependent code for GDB on HPPA systems. + Copyright 2003 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 + (at your option) any later version. + + This program 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 this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef HPPA_TDEP_H +#define HPPA_TDEP_H + +/* 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; +}; + +#endif /* HPPA_TDEP_H */ |