2000-05-10 Michael Snyder <msnyder@seadog.cygnus.com>
Make Sparc a Multi-Arch target. Discard PARAMS macro (require ANSI). * sparc-tdep.c: include arch-utils.h. (SPARC_HAS_FPU, FP_REGISTER_BYTES, FP_MAX_REG NUM, SPARC_INTREG_SIZE, DUMMY_REG_SAVE_OFFSET): provide multi-arch-compatible definitions. (GDB_TARGET_IS_SPARC64): make into a runtime test. (struct frame_extra_info): Define, use instead of the macro. (Many places): Use alloca instead of statically allocated buffers that depend on a multi-arch variable such as MAX_REGISTER_RAW_SIZE. (sparc_extract_struct_value_address): Accept a pointer arg instead of an array sized by REGISTER_BYTES. (examine_prologue): Accept a pointer to an array of CORE_ADDR, instead of the defunct struct frame_saved_regs. Recognize new Sparc64 store instructions as part of the prologue. Ignore the destination of a frame store when parsing the prologue (so long as it's on the stack). (sparc_push_dummy_frame): Fix incorrect buffer offset for PSTATE. (sparc_frame_find_saved_regs): Accept a ptr to an array of CORE_ADDR instead of the defunct struct frame_saved_regs. (supply_gregset): Discard unnecessary 'zerobuf': just send NULL to supply_register. Provide 4-byte offset to compensate for diff between size of the prgreg_t elements on a 64-bit host and size of the registers for a 32-bit target. Fill all inaccessible regs with zero so they won't keep being requested again and again. (fill_gregset): Handle 32/64 size difference between registers and prgreg_t. Handle as many new 64-bit regs as possible. (supply_fpregset, fill_fpregset): Attempt to handle 64-bit world. (sparc_push_arguments): Rename to sparc32_push_arguments. Copy arguments into registers as well as onto stack, so that the CALL_DUMMY (code pushed onto the target stack) is not required. (sparc_extract_return_value): Rename to sparc32_extract_return_value. (sparc_store_return_value): Use memset instead of bzero. Use write_register_gen instead of write_register_bytes. (sparclet_store_return_value): New function. (_initialize_sparc_tdep): Call register_gdbarch_init to activate the gdbarch multi-architecture system. (sp64_push_arguments): Rename to sparc64_push_arguments. Extend to store arguments in general registers as well as on stack. (sparc64_extract_return_value): Rename to sp64_extract_return_value. Use as a private function, to be called by the new external function sparc64_extract_return_value. (sparclet_extract_return_value): New function. (sparc32_stack_align, sparc64_stack_align, sparc32_register_name, sparc64_register_name, sparc_print_extra_frame_info, sparclite_register_name, sparclet_register_name, sparc_push_return_address, sparc64_use_struct_convention, sparc32_store_struct_return, sparc64_store_struct_return, sparc32_register_virtual_type, sparc64_register_virtual_type, sparc32_register_size, sparc64_register_size, sparc32_register_byte, sparc64_register_byte, sparc_gdbarch_skip_prologue, sparc_convert_to_virtual, sparc_convert_to_raw, sparc_frame_init_saved_regs, sparc_frame_address, sparc_gdbarch_fix_call_dummy, sparc_coerce_float_to_double, sparc_call_dummy_address, sparc_y_regnum, sparc_reg_struct_has_addr, sparc_intreg_size, sparc_return_value_on_stack): New functions supporting multi-arch. (sparc_gdbarch_init): New function; initialize multi-arch. (struct gdbarch_tdep): Define, use for private multi-arch data. * config/sparc/tm-sparc.h: Move definitions around, enclose with #ifdef GDB_MULTI_ARCH tests, provide some multi-arch alternate definitions. Add enums for register names, to help debugging gdb. This header file must work for non-multi-arch and for multi-arch. * config/sparc/tm-sp64.h: Add GDB_MULTI_ARCH configuration. Also add AT_ENTRY_POINT definitions for CALL_DUMMY, for non-multi-arch case. Define GDB_MULTI_ARCH. * config/sparc/tm-sparclet.h: Add GDB_MULTI_ARCH configuration. Do not define GDB_MULTI_ARCH (bfd does not correctly identify target). * config/sparc/tm-sparclite.h: Ditto. * config/sparc/tm-sun4sol2.h: Define GDB_MULTI_ARCH. * sparclet-rom.c (sparclet_regnames): Initialize explicitly, to avoid using deprecated REGISTER_NAMES macro. * Makefile.in: Let sparc-tdep.c depend on arch-utils.h.
This commit is contained in:
parent
d2f75a6f40
commit
5af923b0f0
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@ -1,3 +1,76 @@
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2000-05-10 Michael Snyder <msnyder@seadog.cygnus.com>
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Make Sparc a Multi-Arch target. Discard PARAMS macro (require ANSI).
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* sparc-tdep.c: include arch-utils.h.
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(SPARC_HAS_FPU, FP_REGISTER_BYTES, FP_MAX_REG NUM, SPARC_INTREG_SIZE,
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DUMMY_REG_SAVE_OFFSET): provide multi-arch-compatible definitions.
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(GDB_TARGET_IS_SPARC64): make into a runtime test.
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(struct frame_extra_info): Define, use instead of the macro.
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(Many places): Use alloca instead of statically allocated buffers
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that depend on a multi-arch variable such as MAX_REGISTER_RAW_SIZE.
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(sparc_extract_struct_value_address): Accept a pointer arg instead
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of an array sized by REGISTER_BYTES.
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(examine_prologue): Accept a pointer to an array of CORE_ADDR,
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instead of the defunct struct frame_saved_regs. Recognize new
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Sparc64 store instructions as part of the prologue. Ignore the
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destination of a frame store when parsing the prologue (so long
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as it's on the stack).
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(sparc_push_dummy_frame): Fix incorrect buffer offset for PSTATE.
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(sparc_frame_find_saved_regs): Accept a ptr to an array of CORE_ADDR
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instead of the defunct struct frame_saved_regs.
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(supply_gregset): Discard unnecessary 'zerobuf': just send NULL to
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supply_register. Provide 4-byte offset to compensate for diff
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between size of the prgreg_t elements on a 64-bit host and size
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of the registers for a 32-bit target. Fill all inaccessible regs
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with zero so they won't keep being requested again and again.
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(fill_gregset): Handle 32/64 size difference between registers
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and prgreg_t. Handle as many new 64-bit regs as possible.
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(supply_fpregset, fill_fpregset): Attempt to handle 64-bit world.
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(sparc_push_arguments): Rename to sparc32_push_arguments.
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Copy arguments into registers as well as onto stack, so that the
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CALL_DUMMY (code pushed onto the target stack) is not required.
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(sparc_extract_return_value): Rename to sparc32_extract_return_value.
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(sparc_store_return_value): Use memset instead of bzero.
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Use write_register_gen instead of write_register_bytes.
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(sparclet_store_return_value): New function.
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(_initialize_sparc_tdep): Call register_gdbarch_init to activate
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the gdbarch multi-architecture system.
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(sp64_push_arguments): Rename to sparc64_push_arguments.
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Extend to store arguments in general registers as well as on stack.
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(sparc64_extract_return_value): Rename to sp64_extract_return_value.
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Use as a private function, to be called by the new external function
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sparc64_extract_return_value.
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(sparclet_extract_return_value): New function.
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(sparc32_stack_align, sparc64_stack_align, sparc32_register_name,
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sparc64_register_name, sparc_print_extra_frame_info,
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sparclite_register_name, sparclet_register_name,
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sparc_push_return_address, sparc64_use_struct_convention,
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sparc32_store_struct_return, sparc64_store_struct_return,
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sparc32_register_virtual_type, sparc64_register_virtual_type,
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sparc32_register_size, sparc64_register_size,
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sparc32_register_byte, sparc64_register_byte,
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sparc_gdbarch_skip_prologue, sparc_convert_to_virtual,
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sparc_convert_to_raw, sparc_frame_init_saved_regs,
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sparc_frame_address, sparc_gdbarch_fix_call_dummy,
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sparc_coerce_float_to_double, sparc_call_dummy_address,
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sparc_y_regnum, sparc_reg_struct_has_addr, sparc_intreg_size,
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sparc_return_value_on_stack): New functions supporting multi-arch.
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(sparc_gdbarch_init): New function; initialize multi-arch.
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(struct gdbarch_tdep): Define, use for private multi-arch data.
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* config/sparc/tm-sparc.h: Move definitions around, enclose with
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#ifdef GDB_MULTI_ARCH tests, provide some multi-arch alternate
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definitions. Add enums for register names, to help debugging gdb.
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This header file must work for non-multi-arch and for multi-arch.
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* config/sparc/tm-sp64.h: Add GDB_MULTI_ARCH configuration. Also add
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AT_ENTRY_POINT definitions for CALL_DUMMY, for non-multi-arch case.
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Define GDB_MULTI_ARCH.
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* config/sparc/tm-sparclet.h: Add GDB_MULTI_ARCH configuration.
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Do not define GDB_MULTI_ARCH (bfd does not correctly identify target).
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* config/sparc/tm-sparclite.h: Ditto.
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* config/sparc/tm-sun4sol2.h: Define GDB_MULTI_ARCH.
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* sparclet-rom.c (sparclet_regnames): Initialize explicitly, to
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avoid using deprecated REGISTER_NAMES macro.
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* Makefile.in: Let sparc-tdep.c depend on arch-utils.h.
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2000-05-08 Michael Snyder <msnyder@seadog.cygnus.com>
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* gdbarch.sh: Add FP0_REGNUM to list of multi-arched register numbers.
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@ -1802,7 +1802,8 @@ sparc-nat.o: sparc-nat.c $(bfd_h) $(defs_h) $(inferior_h) $(gdbcore_h) \
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target.h
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sparc-tdep.o: sparc-tdep.c $(floatformat_h) $(defs_h) $(gdbcore_h) \
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$(inferior_h) objfiles.h symfile.h target.h gdb_string.h
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$(inferior_h) objfiles.h symfile.h target.h gdb_string.h \
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$(arch_utils_h)
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sparcl-tdep.o: sparcl-tdep.c $(defs_h) $(gdbcore_h) target.h
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@ -22,9 +22,13 @@
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#define GDB_TARGET_IS_SPARC64
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#define GDB_MULTI_ARCH 2
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struct value;
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#ifndef GDB_TARGET_IS_SPARC64
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#define GDB_TARGET_IS_SPARC64 1
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#endif
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#include "sparc/tm-sparc.h"
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/* Eeeew. Ok, we have to assume (for now) that the processor really is
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in sparc64 mode. While this is the same instruction sequence as
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nop
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*/
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#if !defined (GDB_MULTI_ARCH) || (GDB_MULTI_ARCH == 0)
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/*
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* The following defines must go away for MULTI_ARCH.
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*/
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#ifndef DO_CALL_DUMMY_ON_STACK
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/*
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* These defines will suffice for the AT_ENTRY_POINT call dummy method.
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*/
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#undef CALL_DUMMY
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#define CALL_DUMMY {0}
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#undef CALL_DUMMY_LENGTH
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#define CALL_DUMMY_LENGTH 0
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#undef CALL_DUMMY_CALL_OFFSET
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#define CALL_DUMMY_CALL_OFFSET 0
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#undef CALL_DUMMY_START_OFFSET
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#define CALL_DUMMY_START_OFFSET 0
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#undef CALL_DUMMY_BREAKPOINT_OFFSET
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#define CALL_DUMMY_BREAKPOINT_OFFSET 0
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#undef CALL_DUMMY_BREAKPOINT_OFFSET_P
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#define CALL_DUMMY_BREAKPOINT_OFFSET_P 1
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#undef CALL_DUMMY_LOCATION
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#define CALL_DUMMY_LOCATION AT_ENTRY_POINT
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#undef CALL_DUMMY_STACK_ADJUST
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#define CALL_DUMMY_STACK_ADJUST 128
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#undef SIZEOF_CALL_DUMMY_WORDS
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#define SIZEOF_CALL_DUMMY_WORDS 0
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#undef CALL_DUMMY_ADDRESS
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#define CALL_DUMMY_ADDRESS() entry_point_address()
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#undef FIX_CALL_DUMMY
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#define FIX_CALL_DUMMY(DUMMYNAME, PC, FUN, NARGS, ARGS, TYPE, GCC_P)
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#undef PUSH_RETURN_ADDRESS
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#define PUSH_RETURN_ADDRESS(PC, SP) sparc_at_entry_push_return_address (PC, SP)
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extern CORE_ADDR
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sparc_at_entry_push_return_address (CORE_ADDR pc, CORE_ADDR sp);
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#undef STORE_STRUCT_RETURN
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#define STORE_STRUCT_RETURN(ADDR, SP) \
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sparc_at_entry_store_struct_return (ADDR, SP)
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extern void
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sparc_at_entry_store_struct_return (CORE_ADDR addr, CORE_ADDR sp);
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#else
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/*
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* Old call dummy method, with CALL_DUMMY on the stack.
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*/
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#undef CALL_DUMMY
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#define CALL_DUMMY { 0x9de3bec0fd3fa7f7LL, 0xf93fa7eff53fa7e7LL,\
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0xf13fa7dfed3fa7d7LL, 0xe93fa7cfe53fa7c7LL,\
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0xe13fa7bfdd3fa7b7LL, 0xd93fa7afd53fa7a7LL,\
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/* 128 is to reserve space to write the %i/%l registers that will be restored
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when we resume. */
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#undef CALL_DUMMY_STACK_ADJUST
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#define CALL_DUMMY_STACK_ADJUST 128
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/* Size of the call dummy in bytes. */
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#undef CALL_DUMMY_LENGTH
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#define CALL_DUMMY_LENGTH 192
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/* Offset within CALL_DUMMY of the 'call' instruction. */
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#undef CALL_DUMMY_START_OFFSET
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#define CALL_DUMMY_START_OFFSET 148
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/* Offset within CALL_DUMMY of the 'call' instruction. */
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#undef CALL_DUMMY_CALL_OFFSET
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#define CALL_DUMMY_CALL_OFFSET (CALL_DUMMY_START_OFFSET + (5 * 4))
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/* Offset within CALL_DUMMY of the 'ta 1' instruction. */
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#undef CALL_DUMMY_BREAKPOINT_OFFSET
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#define CALL_DUMMY_BREAKPOINT_OFFSET (CALL_DUMMY_START_OFFSET + (8 * 4))
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#include "sparc/tm-sparc.h"
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/* Let's GDB know that it can make a call_dummy breakpoint. */
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#undef CALL_DUMMY_BREAKPOINT_OFFSET_P
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#define CALL_DUMMY_BREAKPOINT_OFFSET_P 1
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/* Call dummy will be located on the stack. */
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#undef CALL_DUMMY_LOCATION
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#define CALL_DUMMY_LOCATION ON_STACK
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/* Insert the function address into the call dummy. */
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#undef FIX_CALL_DUMMY
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#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \
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sparc_fix_call_dummy (dummyname, pc, fun, type, gcc_p)
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void sparc_fix_call_dummy PARAMS ((char *dummy, CORE_ADDR pc, CORE_ADDR fun,
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struct type * value_type, int using_gcc));
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/* The remainder of these will accept the default definition. */
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#undef SIZEOF_CALL_DUMMY_WORDS
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#undef PUSH_RETURN_ADDRESS
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#undef CALL_DUMMY_ADDRESS
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#undef STORE_STRUCT_RETURN
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#endif
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/* Does the specified function use the "struct returning" convention
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or the "value returning" convention? The "value returning" convention
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almost invariably returns the entire value in registers. The
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"struct returning" convention often returns the entire value in
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memory, and passes a pointer (out of or into the function) saying
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where the value (is or should go).
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Since this sometimes depends on whether it was compiled with GCC,
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this is also an argument. This is used in call_function to build a
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stack, and in value_being_returned to print return values.
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On Sparc64, we only pass pointers to structs if they're larger then
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32 bytes. Otherwise they're stored in %o0-%o3 (floating-point
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values go into %fp0-%fp3). */
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#undef USE_STRUCT_CONVENTION
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#define USE_STRUCT_CONVENTION(gcc_p, type) (TYPE_LENGTH (type) > 32)
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CORE_ADDR sparc64_push_arguments PARAMS ((int,
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struct value **,
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CORE_ADDR,
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int,
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CORE_ADDR));
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#undef PUSH_ARGUMENTS
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#define PUSH_ARGUMENTS(A,B,C,D,E) \
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(sparc64_push_arguments ((A), (B), (C), (D), (E)))
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/* Store the address of the place in which to copy the structure the
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subroutine will return. This is called from call_function. */
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/* FIXME: V9 uses %o0 for this. */
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#undef STORE_STRUCT_RETURN
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#define STORE_STRUCT_RETURN(ADDR, SP) \
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{ target_write_memory ((SP)+(16*8), (char *)&(ADDR), 8); }
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/* Stack must be aligned on 128-bit boundaries when synthesizing
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function calls. */
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#undef STACK_ALIGN
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#define STACK_ALIGN(ADDR) (((ADDR) + 15 ) & -16)
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/* Number of machine registers. */
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#undef NUM_REGS
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#define NUM_REGS 125
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/* Initializer for an array of names of registers.
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There should be NUM_REGS strings in this initializer. */
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/* Some of these registers are only accessible from priviledged mode.
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@ -148,6 +264,25 @@ struct value;
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"icc", "xcc", "fcc0", "fcc1", "fcc2", "fcc3" \
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}
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#undef REG_STRUCT_HAS_ADDR
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#define REG_STRUCT_HAS_ADDR(gcc_p,type) (TYPE_LENGTH (type) > 32)
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extern CORE_ADDR sparc64_read_sp ();
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extern CORE_ADDR sparc64_read_fp ();
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extern void sparc64_write_sp PARAMS ((CORE_ADDR));
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extern void sparc64_write_fp PARAMS ((CORE_ADDR));
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#define TARGET_READ_SP() (sparc64_read_sp ())
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#define TARGET_READ_FP() (sparc64_read_fp ())
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#define TARGET_WRITE_SP(X) (sparc64_write_sp (X))
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#define TARGET_WRITE_FP(X) (sparc64_write_fp (X))
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#undef EXTRACT_RETURN_VALUE
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#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
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sp64_extract_return_value(TYPE, REGBUF, VALBUF, 0)
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extern void
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sp64_extract_return_value PARAMS ((struct type *, char[], char *, int));
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/* Register numbers of various important registers.
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Note that some of these values are "real" register numbers,
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and correspond to the general registers of the machine,
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@ -155,7 +290,8 @@ struct value;
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to be actual register numbers as far as the user is concerned
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but do serve to get the desired values when passed to read_register. */
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#if 0 /* defined in tm-sparc.h, replicated for doc purposes */
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#if 0 /* defined in tm-sparc.h, replicated
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for doc purposes */
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#define G0_REGNUM 0 /* %g0 */
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#define G1_REGNUM 1 /* %g1 */
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#define O0_REGNUM 8 /* %o0 */
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@ -172,7 +308,7 @@ struct value;
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#define FP0_REGNUM 32 /* Floating point register 0 */
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#endif
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#define FP_MAX_REGNUM 80 /* 1 + last fp reg number */
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/*#define FP_MAX_REGNUM 80*/ /* 1 + last fp reg number */
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/* #undef v8 misc. regs */
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@ -187,7 +323,8 @@ struct value;
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/* v9 misc. and priv. regs */
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#define C0_REGNUM FP_MAX_REGNUM /* Start of control registers */
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#define C0_REGNUM 80 /* Start of control registers */
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#define PC_REGNUM (C0_REGNUM + 0) /* Current PC */
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#define NPC_REGNUM (C0_REGNUM + 1) /* Next PC */
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#define CCR_REGNUM (C0_REGNUM + 2) /* Condition Code Register (%xcc,%icc) */
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@ -220,6 +357,11 @@ struct value;
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#define FCC2_REGNUM (C0_REGNUM + 43) /* fp cc reg 2 */
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#define FCC3_REGNUM (C0_REGNUM + 44) /* fp cc reg 3 */
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/* Number of machine registers. */
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#undef NUM_REGS
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#define NUM_REGS 125
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/* Total amount of space needed to store our copies of the machine's
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register state, the array `registers'.
|
||||
Some of the registers aren't 64 bits, but it's a lot simpler just to assume
|
||||
|
@ -291,40 +433,12 @@ struct value;
|
|||
#undef TARGET_LONG_LONG_BIT
|
||||
#define TARGET_LONG_LONG_BIT 64
|
||||
|
||||
/* Does the specified function use the "struct returning" convention
|
||||
or the "value returning" convention? The "value returning" convention
|
||||
almost invariably returns the entire value in registers. The
|
||||
"struct returning" convention often returns the entire value in
|
||||
memory, and passes a pointer (out of or into the function) saying
|
||||
where the value (is or should go).
|
||||
|
||||
Since this sometimes depends on whether it was compiled with GCC,
|
||||
this is also an argument. This is used in call_function to build a
|
||||
stack, and in value_being_returned to print return values.
|
||||
|
||||
On Sparc64, we only pass pointers to structs if they're larger then
|
||||
32 bytes. Otherwise they're stored in %o0-%o3 (floating-point
|
||||
values go into %fp0-%fp3). */
|
||||
|
||||
|
||||
#undef USE_STRUCT_CONVENTION
|
||||
#define USE_STRUCT_CONVENTION(gcc_p, type) (TYPE_LENGTH (type) > 32)
|
||||
|
||||
#undef REG_STRUCT_HAS_ADDR
|
||||
#define REG_STRUCT_HAS_ADDR(gcc_p,type) (TYPE_LENGTH (type) > 32)
|
||||
|
||||
/* Store the address of the place in which to copy the structure the
|
||||
subroutine will return. This is called from call_function. */
|
||||
/* FIXME: V9 uses %o0 for this. */
|
||||
|
||||
#undef STORE_STRUCT_RETURN
|
||||
#define STORE_STRUCT_RETURN(ADDR, SP) \
|
||||
{ target_write_memory ((SP)+(16*8), (char *)&(ADDR), 8); }
|
||||
|
||||
/* Return number of bytes at start of arglist that are not really args. */
|
||||
|
||||
#undef FRAME_ARGS_SKIP
|
||||
#define FRAME_ARGS_SKIP 136
|
||||
|
||||
#endif /* GDB_MULTI_ARCH */
|
||||
|
||||
/* Offsets into jmp_buf.
|
||||
FIXME: This was borrowed from the v8 stuff and will probably have to change
|
||||
|
@ -342,36 +456,18 @@ struct value;
|
|||
#define JB_O0 7
|
||||
#define JB_WBCNT 8
|
||||
|
||||
/* Figure out where the longjmp will land. We expect that we have just entered
|
||||
longjmp and haven't yet setup the stack frame, so the args are still in the
|
||||
output regs. %o0 (O0_REGNUM) points at the jmp_buf structure from which we
|
||||
extract the pc (JB_PC) that we will land at. The pc is copied into ADDR.
|
||||
This routine returns true on success */
|
||||
/* Figure out where the longjmp will land. We expect that we have
|
||||
just entered longjmp and haven't yet setup the stack frame, so the
|
||||
args are still in the output regs. %o0 (O0_REGNUM) points at the
|
||||
jmp_buf structure from which we extract the pc (JB_PC) that we will
|
||||
land at. The pc is copied into ADDR. This routine returns true on
|
||||
success */
|
||||
|
||||
extern int
|
||||
get_longjmp_target PARAMS ((CORE_ADDR *));
|
||||
|
||||
#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
|
||||
|
||||
extern CORE_ADDR sparc64_read_sp ();
|
||||
extern CORE_ADDR sparc64_read_fp ();
|
||||
extern void sparc64_write_sp PARAMS ((CORE_ADDR));
|
||||
extern void sparc64_write_fp PARAMS ((CORE_ADDR));
|
||||
|
||||
#define TARGET_READ_SP() (sparc64_read_sp ())
|
||||
#define TARGET_READ_FP() (sparc64_read_fp ())
|
||||
#define TARGET_WRITE_SP(X) (sparc64_write_sp (X))
|
||||
#define TARGET_WRITE_FP(X) (sparc64_write_fp (X))
|
||||
|
||||
#undef TM_PRINT_INSN_MACH
|
||||
#define TM_PRINT_INSN_MACH bfd_mach_sparc_v9a
|
||||
|
||||
CORE_ADDR sp64_push_arguments PARAMS ((int, struct value **, CORE_ADDR, unsigned char, CORE_ADDR));
|
||||
#undef PUSH_ARGUMENTS
|
||||
#define PUSH_ARGUMENTS(A,B,C,D,E) (sp64_push_arguments ((A), (B), (C), (D), (E)))
|
||||
|
||||
#undef EXTRACT_RETURN_VALUE
|
||||
#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
|
||||
sparc64_extract_return_value(TYPE, REGBUF, VALBUF, 0)
|
||||
extern void
|
||||
sparc64_extract_return_value PARAMS ((struct type *, char[], char *, int));
|
||||
|
|
|
@ -21,28 +21,223 @@
|
|||
Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
struct frame_info;
|
||||
struct type;
|
||||
struct value;
|
||||
struct frame_info;
|
||||
|
||||
/*
|
||||
* The following enums are purely for the convenience of the GDB
|
||||
* developer, when debugging GDB.
|
||||
*/
|
||||
|
||||
enum { /* Sparc general registers, for all sparc versions. */
|
||||
G0_REGNUM, G1_REGNUM, G2_REGNUM, G3_REGNUM,
|
||||
G4_REGNUM, G5_REGNUM, G6_REGNUM, G7_REGNUM,
|
||||
O0_REGNUM, O1_REGNUM, O2_REGNUM, O3_REGNUM,
|
||||
O4_REGNUM, O5_REGNUM, O6_REGNUM, O7_REGNUM,
|
||||
L0_REGNUM, L1_REGNUM, L2_REGNUM, L3_REGNUM,
|
||||
L4_REGNUM, L5_REGNUM, L6_REGNUM, L7_REGNUM,
|
||||
I0_REGNUM, I1_REGNUM, I2_REGNUM, I3_REGNUM,
|
||||
I4_REGNUM, I5_REGNUM, I6_REGNUM, I7_REGNUM,
|
||||
FP0_REGNUM /* Floating point register 0 */
|
||||
};
|
||||
|
||||
enum { /* Sparc general registers, alternate names. */
|
||||
R0_REGNUM, R1_REGNUM, R2_REGNUM, R3_REGNUM,
|
||||
R4_REGNUM, R5_REGNUM, R6_REGNUM, R7_REGNUM,
|
||||
R8_REGNUM, R9_REGNUM, R10_REGNUM, R11_REGNUM,
|
||||
R12_REGNUM, R13_REGNUM, R14_REGNUM, R15_REGNUM,
|
||||
R16_REGNUM, R17_REGNUM, R18_REGNUM, R19_REGNUM,
|
||||
R20_REGNUM, R21_REGNUM, R22_REGNUM, R23_REGNUM,
|
||||
R24_REGNUM, R25_REGNUM, R26_REGNUM, R27_REGNUM,
|
||||
R28_REGNUM, R29_REGNUM, R30_REGNUM, R31_REGNUM
|
||||
};
|
||||
|
||||
enum { /* Sparc32 control registers. */
|
||||
PS_REGNUM = 65, /* PC, NPC, and Y are omitted because */
|
||||
WIM_REGNUM = 66, /* they have different values depending on */
|
||||
TBR_REGNUM = 67, /* 32-bit / 64-bit mode. */
|
||||
FPS_REGNUM = 70,
|
||||
CPS_REGNUM = 71
|
||||
};
|
||||
|
||||
/* v9 misc. and priv. regs */
|
||||
|
||||
/* Note: specifying values explicitly for documentation purposes. */
|
||||
enum { /* Sparc64 control registers, excluding Y, PC, and NPC. */
|
||||
CCR_REGNUM = 82, /* Condition Code Register (%xcc,%icc) */
|
||||
FSR_REGNUM = 83, /* Floating Point State */
|
||||
FPRS_REGNUM = 84, /* Floating Point Registers State */
|
||||
ASI_REGNUM = 86, /* Alternate Space Identifier */
|
||||
VER_REGNUM = 87, /* Version register */
|
||||
TICK_REGNUM = 88, /* Tick register */
|
||||
PIL_REGNUM = 89, /* Processor Interrupt Level */
|
||||
PSTATE_REGNUM = 90, /* Processor State */
|
||||
TSTATE_REGNUM = 91, /* Trap State */
|
||||
TBA_REGNUM = 92, /* Trap Base Address */
|
||||
TL_REGNUM = 93, /* Trap Level */
|
||||
TT_REGNUM = 94, /* Trap Type */
|
||||
TPC_REGNUM = 95, /* Trap pc */
|
||||
TNPC_REGNUM = 96, /* Trap npc */
|
||||
WSTATE_REGNUM = 97, /* Window State */
|
||||
CWP_REGNUM = 98, /* Current Window Pointer */
|
||||
CANSAVE_REGNUM = 99, /* Savable Windows */
|
||||
CANRESTORE_REGNUM = 100, /* Restorable Windows */
|
||||
CLEANWIN_REGNUM = 101, /* Clean Windows */
|
||||
OTHERWIN_REGNUM = 102, /* Other Windows */
|
||||
ASR16_REGNUM = 103, /* Ancillary State Registers */
|
||||
ASR17_REGNUM = 104,
|
||||
ASR18_REGNUM = 105,
|
||||
ASR19_REGNUM = 106,
|
||||
ASR20_REGNUM = 107,
|
||||
ASR21_REGNUM = 108,
|
||||
ASR22_REGNUM = 109,
|
||||
ASR23_REGNUM = 110,
|
||||
ASR24_REGNUM = 111,
|
||||
ASR25_REGNUM = 112,
|
||||
ASR26_REGNUM = 113,
|
||||
ASR27_REGNUM = 114,
|
||||
ASR28_REGNUM = 115,
|
||||
ASR29_REGNUM = 116,
|
||||
ASR30_REGNUM = 117,
|
||||
ASR31_REGNUM = 118,
|
||||
ICC_REGNUM = 119, /* 32 bit condition codes */
|
||||
XCC_REGNUM = 120, /* 64 bit condition codes */
|
||||
FCC0_REGNUM = 121, /* fp cc reg 0 */
|
||||
FCC1_REGNUM = 122, /* fp cc reg 1 */
|
||||
FCC2_REGNUM = 123, /* fp cc reg 2 */
|
||||
FCC3_REGNUM = 124 /* fp cc reg 3 */
|
||||
};
|
||||
|
||||
/*
|
||||
* Make sparc target multi-archable: April 2000
|
||||
*/
|
||||
|
||||
#if defined (GDB_MULTI_ARCH) && (GDB_MULTI_ARCH > 0)
|
||||
|
||||
/* Multi-arch definition of TARGET_IS_SPARC64, TARGET_ELF64 */
|
||||
#undef GDB_TARGET_IS_SPARC64
|
||||
#define GDB_TARGET_IS_SPARC64 \
|
||||
(sparc_intreg_size () == 8)
|
||||
#undef TARGET_ELF64
|
||||
#define TARGET_ELF64 \
|
||||
(sparc_intreg_size () == 8)
|
||||
extern int sparc_intreg_size (void);
|
||||
#else
|
||||
|
||||
/* Non-multi-arch: if it isn't defined, define it to zero. */
|
||||
#ifndef GDB_TARGET_IS_SPARC64
|
||||
#define GDB_TARGET_IS_SPARC64 0
|
||||
#endif
|
||||
#ifndef TARGET_ELF64
|
||||
#define TARGET_ELF64 0
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#if !defined (GDB_MULTI_ARCH) || (GDB_MULTI_ARCH == 0)
|
||||
/*
|
||||
* The following defines must go away for MULTI_ARCH
|
||||
*/
|
||||
|
||||
/* Initializer for an array of names of registers.
|
||||
There should be NUM_REGS strings in this initializer. */
|
||||
|
||||
#define REGISTER_NAMES \
|
||||
{ "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7", \
|
||||
"o0", "o1", "o2", "o3", "o4", "o5", "sp", "o7", \
|
||||
"l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7", \
|
||||
"i0", "i1", "i2", "i3", "i4", "i5", "fp", "i7", \
|
||||
\
|
||||
"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \
|
||||
"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", \
|
||||
"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", \
|
||||
"f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", \
|
||||
\
|
||||
"y", "psr", "wim", "tbr", "pc", "npc", "fpsr", "cpsr" \
|
||||
}
|
||||
|
||||
#define TARGET_BYTE_ORDER BIG_ENDIAN
|
||||
|
||||
/* Floating point is IEEE compatible. */
|
||||
#define IEEE_FLOAT (1)
|
||||
/* Offset from address of function to start of its code.
|
||||
Zero on most machines. */
|
||||
|
||||
/* If an argument is declared "register", Sun cc will keep it in a register,
|
||||
never saving it onto the stack. So we better not believe the "p" symbol
|
||||
descriptor stab. */
|
||||
#define FUNCTION_START_OFFSET 0
|
||||
|
||||
#define USE_REGISTER_NOT_ARG
|
||||
/* Amount PC must be decremented by after a breakpoint.
|
||||
This is often the number of bytes in BREAKPOINT
|
||||
but not always. */
|
||||
|
||||
/* When passing a structure to a function, Sun cc passes the address
|
||||
not the structure itself. It (under SunOS4) creates two symbols,
|
||||
which we need to combine to a LOC_REGPARM. Gcc version two (as of
|
||||
1.92) behaves like sun cc. REG_STRUCT_HAS_ADDR is smart enough to
|
||||
distinguish between Sun cc, gcc version 1 and gcc version 2. */
|
||||
#define DECR_PC_AFTER_BREAK 0
|
||||
|
||||
#define REG_STRUCT_HAS_ADDR(gcc_p,type) (gcc_p != 1)
|
||||
/* Say how long (ordinary) registers are. This is a piece of bogosity
|
||||
used in push_word and a few other places; REGISTER_RAW_SIZE is the
|
||||
real way to know how big a register is. */
|
||||
|
||||
#define REGISTER_SIZE 4
|
||||
|
||||
/* Number of machine registers */
|
||||
|
||||
#define NUM_REGS 72
|
||||
|
||||
#define SP_REGNUM 14 /* Contains address of top of stack, \
|
||||
which is also the bottom of the frame. */
|
||||
#define FP_REGNUM 30 /* Contains address of executing stack frame */
|
||||
|
||||
#define FP0_REGNUM 32 /* Floating point register 0 */
|
||||
|
||||
#define Y_REGNUM 64 /* Temp register for multiplication, etc. */
|
||||
|
||||
#define PC_REGNUM 68 /* Contains program counter */
|
||||
|
||||
#define NPC_REGNUM 69 /* Contains next PC */
|
||||
|
||||
|
||||
/* Total amount of space needed to store our copies of the machine's
|
||||
register state, the array `registers'. On the sparc, `registers'
|
||||
contains the ins and locals, even though they are saved on the
|
||||
stack rather than with the other registers, and this causes hair
|
||||
and confusion in places like pop_frame. It might be better to
|
||||
remove the ins and locals from `registers', make sure that
|
||||
get_saved_register can get them from the stack (even in the
|
||||
innermost frame), and make this the way to access them. For the
|
||||
frame pointer we would do that via TARGET_READ_FP. On the other
|
||||
hand, that is likely to be confusing or worse for flat frames. */
|
||||
|
||||
#define REGISTER_BYTES (32*4+32*4+8*4)
|
||||
|
||||
/* Index within `registers' of the first byte of the space for
|
||||
register N. */
|
||||
|
||||
#define REGISTER_BYTE(N) ((N)*4)
|
||||
|
||||
/* Number of bytes of storage in the actual machine representation for
|
||||
register N. */
|
||||
|
||||
/* On the SPARC, all regs are 4 bytes (except Sparc64, where they're 8). */
|
||||
|
||||
#define REGISTER_RAW_SIZE(N) (4)
|
||||
|
||||
/* Number of bytes of storage in the program's representation
|
||||
for register N. */
|
||||
|
||||
/* On the SPARC, all regs are 4 bytes (except Sparc64, where they're 8). */
|
||||
|
||||
#define REGISTER_VIRTUAL_SIZE(N) (4)
|
||||
|
||||
/* Largest value REGISTER_RAW_SIZE can have. */
|
||||
|
||||
#define MAX_REGISTER_RAW_SIZE 8
|
||||
|
||||
/* Largest value REGISTER_VIRTUAL_SIZE can have. */
|
||||
|
||||
#define MAX_REGISTER_VIRTUAL_SIZE 8
|
||||
|
||||
/* Return the GDB type object for the "standard" data type
|
||||
of data in register N. */
|
||||
|
||||
#define REGISTER_VIRTUAL_TYPE(N) \
|
||||
((N) < 32 ? builtin_type_int : (N) < 64 ? builtin_type_float : \
|
||||
builtin_type_int)
|
||||
|
||||
/* Sun /bin/cc gets this right as of SunOS 4.1.x. We need to define
|
||||
BELIEVE_PCC_PROMOTION to get this right now that the code which
|
||||
|
@ -51,6 +246,111 @@ struct value;
|
|||
|
||||
#define BELIEVE_PCC_PROMOTION 1
|
||||
|
||||
/* Advance PC across any function entry prologue instructions
|
||||
to reach some "real" code. SKIP_PROLOGUE_FRAMELESS_P advances
|
||||
the PC past some of the prologue, but stops as soon as it
|
||||
knows that the function has a frame. Its result is equal
|
||||
to its input PC if the function is frameless, unequal otherwise. */
|
||||
|
||||
#define SKIP_PROLOGUE(PC) sparc_skip_prologue (PC, 0)
|
||||
|
||||
/* Immediately after a function call, return the saved pc.
|
||||
Can't go through the frames for this because on some machines
|
||||
the new frame is not set up until the new function executes
|
||||
some instructions. */
|
||||
|
||||
#define SAVED_PC_AFTER_CALL(FRAME) PC_ADJUST (read_register (RP_REGNUM))
|
||||
|
||||
/* Stack grows downward. */
|
||||
|
||||
#define INNER_THAN(LHS,RHS) ((LHS) < (RHS))
|
||||
|
||||
/* Write into appropriate registers a function return value of type
|
||||
TYPE, given in virtual format. */
|
||||
|
||||
#define STORE_RETURN_VALUE(TYPE, VALBUF) \
|
||||
sparc_store_return_value (TYPE, VALBUF)
|
||||
extern void sparc_store_return_value PARAMS ((struct type *, char *));
|
||||
|
||||
/* 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). */
|
||||
|
||||
#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
|
||||
sparc_extract_struct_value_address (REGBUF)
|
||||
|
||||
extern CORE_ADDR
|
||||
sparc_extract_struct_value_address PARAMS ((char *));
|
||||
|
||||
/* If the current gcc for for this target does not produce correct
|
||||
debugging information for float parameters, both prototyped and
|
||||
unprototyped, then define this macro. This forces gdb to always
|
||||
assume that floats are passed as doubles and then converted in the
|
||||
callee. */
|
||||
|
||||
#define COERCE_FLOAT_TO_DOUBLE(FORMAL, ACTUAL) (1)
|
||||
|
||||
/* Stack must be aligned on 64-bit boundaries when synthesizing
|
||||
function calls (128-bit for sparc64). */
|
||||
|
||||
#define STACK_ALIGN(ADDR) sparc32_stack_align (ADDR)
|
||||
extern CORE_ADDR sparc32_stack_align (CORE_ADDR addr);
|
||||
|
||||
/* Floating point is IEEE compatible. */
|
||||
#define IEEE_FLOAT (1)
|
||||
|
||||
/* The Sparc returns long doubles on the stack. */
|
||||
|
||||
#define RETURN_VALUE_ON_STACK(TYPE) \
|
||||
(TYPE_CODE(TYPE) == TYPE_CODE_FLT \
|
||||
&& TYPE_LENGTH(TYPE) > 8)
|
||||
|
||||
/* When passing a structure to a function, Sun cc passes the address
|
||||
not the structure itself. It (under SunOS4) creates two symbols,
|
||||
which we need to combine to a LOC_REGPARM. Gcc version two (as of
|
||||
1.92) behaves like sun cc. REG_STRUCT_HAS_ADDR is smart enough to
|
||||
distinguish between Sun cc, gcc version 1 and gcc version 2. */
|
||||
|
||||
#define REG_STRUCT_HAS_ADDR(GCC_P, TYPE) \
|
||||
sparc_reg_struct_has_addr (GCC_P, TYPE)
|
||||
extern int sparc_reg_struct_has_addr (int, struct type *);
|
||||
|
||||
#endif /* GDB_MULTI_ARCH */
|
||||
|
||||
#if defined (GDB_MULTI_ARCH) && (GDB_MULTI_ARCH > 0)
|
||||
/*
|
||||
* The following defines should ONLY appear for MULTI_ARCH.
|
||||
*/
|
||||
|
||||
/* Multi-arch the nPC and Y registers. */
|
||||
#define Y_REGNUM (sparc_y_regnum ())
|
||||
extern int sparc_npc_regnum (void);
|
||||
extern int sparc_y_regnum (void);
|
||||
|
||||
#endif /* GDB_MULTI_ARCH */
|
||||
|
||||
/* On the Sun 4 under SunOS, the compile will leave a fake insn which
|
||||
encodes the structure size being returned. If we detect such
|
||||
a fake insn, step past it. */
|
||||
|
||||
#define PC_ADJUST(PC) sparc_pc_adjust (PC)
|
||||
extern CORE_ADDR sparc_pc_adjust PARAMS ((CORE_ADDR));
|
||||
|
||||
/* Advance PC across any function entry prologue instructions to reach
|
||||
some "real" code. SKIP_PROLOGUE_FRAMELESS_P advances the PC past
|
||||
some of the prologue, but stops as soon as it knows that the
|
||||
function has a frame. Its result is equal to its input PC if the
|
||||
function is frameless, unequal otherwise. */
|
||||
|
||||
#define SKIP_PROLOGUE_FRAMELESS_P(PC) sparc_skip_prologue (PC, 1)
|
||||
extern CORE_ADDR sparc_skip_prologue PARAMS ((CORE_ADDR, int));
|
||||
|
||||
/* If an argument is declared "register", Sun cc will keep it in a register,
|
||||
never saving it onto the stack. So we better not believe the "p" symbol
|
||||
descriptor stab. */
|
||||
|
||||
#define USE_REGISTER_NOT_ARG
|
||||
|
||||
/* For acc, there's no need to correct LBRAC entries by guessing how
|
||||
they should work. In fact, this is harmful because the LBRAC
|
||||
entries now all appear at the end of the function, not intermixed
|
||||
|
@ -76,80 +376,10 @@ struct value;
|
|||
|| function_stab_type == N_STSYM \
|
||||
|| function_stab_type == N_GSYM))
|
||||
|
||||
/* Offset from address of function to start of its code.
|
||||
Zero on most machines. */
|
||||
|
||||
#define FUNCTION_START_OFFSET 0
|
||||
|
||||
/* Advance PC across any function entry prologue instructions
|
||||
to reach some "real" code. SKIP_PROLOGUE_FRAMELESS_P advances
|
||||
the PC past some of the prologue, but stops as soon as it
|
||||
knows that the function has a frame. Its result is equal
|
||||
to its input PC if the function is frameless, unequal otherwise. */
|
||||
|
||||
#define SKIP_PROLOGUE(pc) (sparc_skip_prologue (pc, 0))
|
||||
#define SKIP_PROLOGUE_FRAMELESS_P(pc) (sparc_skip_prologue (pc, 1))
|
||||
extern CORE_ADDR sparc_skip_prologue PARAMS ((CORE_ADDR, int));
|
||||
|
||||
/* Immediately after a function call, return the saved pc.
|
||||
Can't go through the frames for this because on some machines
|
||||
the new frame is not set up until the new function executes
|
||||
some instructions. */
|
||||
|
||||
/* On the Sun 4 under SunOS, the compile will leave a fake insn which
|
||||
encodes the structure size being returned. If we detect such
|
||||
a fake insn, step past it. */
|
||||
|
||||
#define PC_ADJUST(pc) sparc_pc_adjust(pc)
|
||||
extern CORE_ADDR sparc_pc_adjust PARAMS ((CORE_ADDR));
|
||||
|
||||
#define SAVED_PC_AFTER_CALL(frame) PC_ADJUST (read_register (RP_REGNUM))
|
||||
|
||||
/* Stack grows downward. */
|
||||
|
||||
#define INNER_THAN(lhs,rhs) ((lhs) < (rhs))
|
||||
|
||||
/* Stack must be aligned on 64-bit boundaries when synthesizing
|
||||
function calls. */
|
||||
|
||||
#define STACK_ALIGN(ADDR) (((ADDR) + 7) & -8)
|
||||
|
||||
/* Sequence of bytes for breakpoint instruction (ta 1). */
|
||||
|
||||
#define BREAKPOINT {0x91, 0xd0, 0x20, 0x01}
|
||||
|
||||
/* Amount PC must be decremented by after a breakpoint.
|
||||
This is often the number of bytes in BREAKPOINT
|
||||
but not always. */
|
||||
|
||||
#define DECR_PC_AFTER_BREAK 0
|
||||
|
||||
/* Say how long (ordinary) registers are. This is a piece of bogosity
|
||||
used in push_word and a few other places; REGISTER_RAW_SIZE is the
|
||||
real way to know how big a register is. */
|
||||
|
||||
#define REGISTER_SIZE 4
|
||||
|
||||
/* Number of machine registers */
|
||||
|
||||
#define NUM_REGS 72
|
||||
|
||||
/* Initializer for an array of names of registers.
|
||||
There should be NUM_REGS strings in this initializer. */
|
||||
|
||||
#define REGISTER_NAMES \
|
||||
{ "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7", \
|
||||
"o0", "o1", "o2", "o3", "o4", "o5", "sp", "o7", \
|
||||
"l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7", \
|
||||
"i0", "i1", "i2", "i3", "i4", "i5", "fp", "i7", \
|
||||
\
|
||||
"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \
|
||||
"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", \
|
||||
"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", \
|
||||
"f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", \
|
||||
\
|
||||
"y", "psr", "wim", "tbr", "pc", "npc", "fpsr", "cpsr" }
|
||||
|
||||
/* 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,
|
||||
|
@ -160,122 +390,33 @@ extern CORE_ADDR sparc_pc_adjust PARAMS ((CORE_ADDR));
|
|||
#define G0_REGNUM 0 /* %g0 */
|
||||
#define G1_REGNUM 1 /* %g1 */
|
||||
#define O0_REGNUM 8 /* %o0 */
|
||||
#define SP_REGNUM 14 /* Contains address of top of stack, \
|
||||
which is also the bottom of the frame. */
|
||||
#define RP_REGNUM 15 /* Contains return address value, *before* \
|
||||
any windows get switched. */
|
||||
#define O7_REGNUM 15 /* Last local reg not saved on stack frame */
|
||||
#define L0_REGNUM 16 /* First local reg that's saved on stack frame
|
||||
rather than in machine registers */
|
||||
#define I0_REGNUM 24 /* %i0 */
|
||||
#define FP_REGNUM 30 /* Contains address of executing stack frame */
|
||||
#define I7_REGNUM 31 /* Last local reg saved on stack frame */
|
||||
#define FP0_REGNUM 32 /* Floating point register 0 */
|
||||
#define Y_REGNUM 64 /* Temp register for multiplication, etc. */
|
||||
#define PS_REGNUM 65 /* Contains processor status */
|
||||
#define PS_FLAG_CARRY 0x100000 /* Carry bit in PS */
|
||||
#define WIM_REGNUM 66 /* Window Invalid Mask (not really supported) */
|
||||
#define TBR_REGNUM 67 /* Trap Base Register (not really supported) */
|
||||
#define PC_REGNUM 68 /* Contains program counter */
|
||||
#define NPC_REGNUM 69 /* Contains next PC */
|
||||
#define FPS_REGNUM 70 /* Floating point status register */
|
||||
#define CPS_REGNUM 71 /* Coprocessor status register */
|
||||
|
||||
/* Total amount of space needed to store our copies of the machine's
|
||||
register state, the array `registers'. On the sparc, `registers'
|
||||
contains the ins and locals, even though they are saved on the
|
||||
stack rather than with the other registers, and this causes hair
|
||||
and confusion in places like pop_frame. It might be
|
||||
better to remove the ins and locals from `registers', make sure
|
||||
that get_saved_register can get them from the stack (even in the
|
||||
innermost frame), and make this the way to access them. For the
|
||||
frame pointer we would do that via TARGET_READ_FP. On the other hand,
|
||||
that is likely to be confusing or worse for flat frames. */
|
||||
|
||||
#define REGISTER_BYTES (32*4+32*4+8*4)
|
||||
|
||||
/* Index within `registers' of the first byte of the space for
|
||||
register N. */
|
||||
/* ?? */
|
||||
#define REGISTER_BYTE(N) ((N)*4)
|
||||
|
||||
/* We need to override GET_SAVED_REGISTER so that we can deal with the way
|
||||
outs change into ins in different frames. HAVE_REGISTER_WINDOWS can't
|
||||
deal with this case and also handle flat frames at the same time. */
|
||||
|
||||
struct frame_info;
|
||||
void sparc_get_saved_register PARAMS ((char *raw_buffer, int *optimized, CORE_ADDR * addrp, struct frame_info * frame, int regnum, enum lval_type * lvalp));
|
||||
#define GET_SAVED_REGISTER(raw_buffer, optimized, addrp, frame, regnum, lval) \
|
||||
sparc_get_saved_register (raw_buffer, optimized, addrp, frame, regnum, lval)
|
||||
|
||||
/* Number of bytes of storage in the actual machine representation
|
||||
for register N. */
|
||||
|
||||
/* On the SPARC, all regs are 4 bytes. */
|
||||
|
||||
#define REGISTER_RAW_SIZE(N) (4)
|
||||
|
||||
/* Number of bytes of storage in the program's representation
|
||||
for register N. */
|
||||
|
||||
/* On the SPARC, all regs are 4 bytes. */
|
||||
|
||||
#define REGISTER_VIRTUAL_SIZE(N) (4)
|
||||
|
||||
/* Largest value REGISTER_RAW_SIZE can have. */
|
||||
|
||||
#define MAX_REGISTER_RAW_SIZE 8
|
||||
|
||||
/* Largest value REGISTER_VIRTUAL_SIZE can have. */
|
||||
|
||||
#define MAX_REGISTER_VIRTUAL_SIZE 8
|
||||
|
||||
/* Return the GDB type object for the "standard" data type
|
||||
of data in register N. */
|
||||
|
||||
#define REGISTER_VIRTUAL_TYPE(N) \
|
||||
((N) < 32 ? builtin_type_int : (N) < 64 ? builtin_type_float : \
|
||||
builtin_type_int)
|
||||
|
||||
/* Writing to %g0 is a noop (not an error or exception or anything like
|
||||
that, however). */
|
||||
|
||||
#define CANNOT_STORE_REGISTER(regno) ((regno) == G0_REGNUM)
|
||||
|
||||
/* Store the address of the place in which to copy the structure the
|
||||
subroutine will return. This is called from call_function_by_hand.
|
||||
The ultimate mystery is, tho, what is the value "16"? */
|
||||
/*
|
||||
* FRAME_CHAIN and FRAME_INFO definitions, collected here for convenience.
|
||||
*/
|
||||
|
||||
#define STORE_STRUCT_RETURN(ADDR, SP) \
|
||||
{ char val[4]; \
|
||||
store_unsigned_integer (val, 4, (ADDR)); \
|
||||
write_memory ((SP)+(16*4), val, 4); }
|
||||
|
||||
/* Extract from an array REGBUF containing the (raw) register state
|
||||
a function return value of type TYPE, and copy that, in virtual format,
|
||||
into VALBUF. */
|
||||
|
||||
#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
|
||||
sparc_extract_return_value(TYPE, REGBUF, VALBUF)
|
||||
extern void
|
||||
sparc_extract_return_value PARAMS ((struct type *, char[], char *));
|
||||
|
||||
/* Write into appropriate registers a function return value
|
||||
of type TYPE, given in virtual format. */
|
||||
#define STORE_RETURN_VALUE(TYPE,VALBUF) \
|
||||
sparc_store_return_value(TYPE, VALBUF)
|
||||
extern void sparc_store_return_value PARAMS ((struct type *, char *));
|
||||
|
||||
/* 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). */
|
||||
|
||||
#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
|
||||
(sparc_extract_struct_value_address (REGBUF))
|
||||
|
||||
extern CORE_ADDR
|
||||
sparc_extract_struct_value_address PARAMS ((char[REGISTER_BYTES]));
|
||||
|
||||
#if !defined (GDB_MULTI_ARCH) || (GDB_MULTI_ARCH == 0)
|
||||
/*
|
||||
* The following defines must go away for MULTI_ARCH.
|
||||
*/
|
||||
|
||||
/* Describe the pointer in each stack frame to the previous stack frame
|
||||
(its caller). */
|
||||
|
@ -310,64 +451,56 @@ extern CORE_ADDR
|
|||
|
||||
GCC 2.6 and later can generate ``flat register window'' code that
|
||||
makes frames by explicitly saving those registers that need to be
|
||||
saved. %i7 is used as the frame pointer, and the frame is laid out so
|
||||
that flat and non-flat calls can be intermixed freely within a
|
||||
program. Unfortunately for GDB, this means it must detect and record
|
||||
the flatness of frames.
|
||||
saved. %i7 is used as the frame pointer, and the frame is laid out
|
||||
so that flat and non-flat calls can be intermixed freely within a
|
||||
program. Unfortunately for GDB, this means it must detect and
|
||||
record the flatness of frames.
|
||||
|
||||
Since the prologue in a flat frame also tells us where fp and pc
|
||||
have been stashed (the frame is of variable size, so their location
|
||||
is not fixed), it's convenient to record them in the frame info. */
|
||||
|
||||
#define EXTRA_FRAME_INFO \
|
||||
CORE_ADDR bottom; \
|
||||
int in_prologue; \
|
||||
int flat; \
|
||||
#define EXTRA_FRAME_INFO \
|
||||
CORE_ADDR bottom; \
|
||||
int in_prologue; \
|
||||
int flat; \
|
||||
/* Following fields only relevant for flat frames. */ \
|
||||
CORE_ADDR pc_addr; \
|
||||
CORE_ADDR fp_addr; \
|
||||
CORE_ADDR pc_addr; \
|
||||
CORE_ADDR fp_addr; \
|
||||
/* Add this to ->frame to get the value of the stack pointer at the */ \
|
||||
/* time of the register saves. */ \
|
||||
int sp_offset;
|
||||
|
||||
#define FRAME_INIT_SAVED_REGS(fp) /*no-op */
|
||||
/* We need to override GET_SAVED_REGISTER so that we can deal with the way
|
||||
outs change into ins in different frames. HAVE_REGISTER_WINDOWS can't
|
||||
deal with this case and also handle flat frames at the same time. */
|
||||
|
||||
#define INIT_EXTRA_FRAME_INFO(fromleaf, fci) \
|
||||
sparc_init_extra_frame_info (fromleaf, fci)
|
||||
void sparc_get_saved_register PARAMS ((char *raw_buffer,
|
||||
int *optimized,
|
||||
CORE_ADDR * addrp,
|
||||
struct frame_info * frame,
|
||||
int regnum,
|
||||
enum lval_type * lvalp));
|
||||
|
||||
#define GET_SAVED_REGISTER(RAW_BUFFER, OPTIMIZED, ADDRP, FRAME, REGNUM, LVAL) \
|
||||
sparc_get_saved_register (RAW_BUFFER, OPTIMIZED, ADDRP, \
|
||||
FRAME, REGNUM, LVAL)
|
||||
|
||||
#define FRAME_INIT_SAVED_REGS(FP) /*no-op */
|
||||
|
||||
#define INIT_EXTRA_FRAME_INFO(FROMLEAF, FCI) \
|
||||
sparc_init_extra_frame_info (FROMLEAF, FCI)
|
||||
extern void sparc_init_extra_frame_info PARAMS ((int, struct frame_info *));
|
||||
|
||||
#define PRINT_EXTRA_FRAME_INFO(fi) \
|
||||
{ \
|
||||
if ((fi) && (fi)->flat) \
|
||||
printf_filtered (" flat, pc saved at 0x%s, fp saved at 0x%s\n", \
|
||||
paddr_nz ((fi)->pc_addr), paddr_nz ((fi)->fp_addr)); \
|
||||
}
|
||||
|
||||
#define FRAME_CHAIN(thisframe) (sparc_frame_chain (thisframe))
|
||||
#define FRAME_CHAIN(THISFRAME) (sparc_frame_chain (THISFRAME))
|
||||
extern CORE_ADDR sparc_frame_chain PARAMS ((struct frame_info *));
|
||||
|
||||
/* INIT_EXTRA_FRAME_INFO needs the PC to detect flat frames. */
|
||||
|
||||
#define INIT_FRAME_PC(fromleaf, prev) /* nothing */
|
||||
#define INIT_FRAME_PC_FIRST(fromleaf, prev) \
|
||||
(prev)->pc = ((fromleaf) ? SAVED_PC_AFTER_CALL ((prev)->next) : \
|
||||
(prev)->next ? FRAME_SAVED_PC ((prev)->next) : read_pc ());
|
||||
|
||||
/* Define other aspects of the stack frame. */
|
||||
|
||||
/* A macro that tells us whether the function invocation represented
|
||||
by FI does not have a frame on the stack associated with it. If it
|
||||
does not, FRAMELESS is set to 1, else 0. */
|
||||
|
||||
#define FRAMELESS_FUNCTION_INVOCATION(FI) \
|
||||
(frameless_look_for_prologue(FI))
|
||||
|
||||
/* The location of I0 w.r.t SP. This is actually dependent on how the system's
|
||||
window overflow/underflow routines are written. Most vendors save the L regs
|
||||
followed by the I regs (at the higher address). Some vendors get it wrong.
|
||||
*/
|
||||
|
||||
#define FRAME_SAVED_L0 0
|
||||
#define FRAME_SAVED_I0 (8 * REGISTER_RAW_SIZE (L0_REGNUM))
|
||||
frameless_look_for_prologue (FI)
|
||||
|
||||
/* Where is the PC for a specific frame */
|
||||
|
||||
|
@ -375,23 +508,46 @@ extern CORE_ADDR sparc_frame_chain PARAMS ((struct frame_info *));
|
|||
extern CORE_ADDR sparc_frame_saved_pc PARAMS ((struct frame_info *));
|
||||
|
||||
/* If the argument is on the stack, it will be here. */
|
||||
#define FRAME_ARGS_ADDRESS(fi) ((fi)->frame)
|
||||
#define FRAME_ARGS_ADDRESS(FI) ((FI)->frame)
|
||||
|
||||
#define FRAME_STRUCT_ARGS_ADDRESS(fi) ((fi)->frame)
|
||||
|
||||
#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame)
|
||||
#define FRAME_LOCALS_ADDRESS(FI) ((FI)->frame)
|
||||
|
||||
/* Set VAL to the number of args passed to frame described by FI.
|
||||
Can set VAL to -1, meaning no way to tell. */
|
||||
|
||||
/* We can't tell how many args there are
|
||||
now that the C compiler delays popping them. */
|
||||
#define FRAME_NUM_ARGS(fi) (-1)
|
||||
#define FRAME_NUM_ARGS(FI) (-1)
|
||||
|
||||
/* Return number of bytes at start of arglist that are not really args. */
|
||||
|
||||
#define FRAME_ARGS_SKIP 68
|
||||
|
||||
|
||||
#endif /* GDB_MULTI_ARCH */
|
||||
|
||||
#define PRINT_EXTRA_FRAME_INFO(FI) \
|
||||
sparc_print_extra_frame_info (FI)
|
||||
extern void sparc_print_extra_frame_info (struct frame_info *);
|
||||
|
||||
/* INIT_EXTRA_FRAME_INFO needs the PC to detect flat frames. */
|
||||
|
||||
#define INIT_FRAME_PC(FROMLEAF, PREV) /* nothing */
|
||||
#define INIT_FRAME_PC_FIRST(FROMLEAF, PREV) \
|
||||
(PREV)->pc = ((FROMLEAF) ? SAVED_PC_AFTER_CALL ((PREV)->next) : \
|
||||
(PREV)->next ? FRAME_SAVED_PC ((PREV)->next) : read_pc ());
|
||||
|
||||
/* Define other aspects of the stack frame. */
|
||||
|
||||
/* The location of I0 w.r.t SP. This is actually dependent on how the
|
||||
system's window overflow/underflow routines are written. Most
|
||||
vendors save the L regs followed by the I regs (at the higher
|
||||
address). Some vendors get it wrong. */
|
||||
|
||||
#define FRAME_SAVED_L0 0
|
||||
#define FRAME_SAVED_I0 (8 * REGISTER_RAW_SIZE (L0_REGNUM))
|
||||
|
||||
#define FRAME_STRUCT_ARGS_ADDRESS(FI) ((FI)->frame)
|
||||
|
||||
/* Things needed for making the inferior call functions. */
|
||||
/*
|
||||
* First of all, let me give my opinion of what the DUMMY_FRAME
|
||||
|
@ -455,20 +611,13 @@ extern CORE_ADDR sparc_frame_saved_pc PARAMS ((struct frame_info *));
|
|||
* CALL_DUMMY, as directed by call_function).
|
||||
*/
|
||||
|
||||
/* Push an empty stack frame, to record the current PC, etc. */
|
||||
|
||||
#define PUSH_DUMMY_FRAME sparc_push_dummy_frame ()
|
||||
#define POP_FRAME sparc_pop_frame ()
|
||||
|
||||
void sparc_push_dummy_frame PARAMS ((void)), sparc_pop_frame PARAMS ((void));
|
||||
|
||||
#ifndef CALL_DUMMY
|
||||
/* This sequence of words is the instructions
|
||||
|
||||
0: bc 10 00 01 mov %g1, %fp
|
||||
4: 9d e3 80 00 save %sp, %g0, %sp
|
||||
8: bc 10 00 02 mov %g2, %fp
|
||||
c: be 10 00 03 mov %g3, %i7
|
||||
00: bc 10 00 01 mov %g1, %fp
|
||||
04: 9d e3 80 00 save %sp, %g0, %sp
|
||||
08: bc 10 00 02 mov %g2, %fp
|
||||
0c: be 10 00 03 mov %g3, %i7
|
||||
10: da 03 a0 58 ld [ %sp + 0x58 ], %o5
|
||||
14: d8 03 a0 54 ld [ %sp + 0x54 ], %o4
|
||||
18: d6 03 a0 50 ld [ %sp + 0x50 ], %o3
|
||||
|
@ -485,7 +634,12 @@ void sparc_push_dummy_frame PARAMS ((void)), sparc_pop_frame PARAMS ((void));
|
|||
* this is a multiple of 8 (not only 4) bytes.
|
||||
* the `call' insn is a relative, not an absolute call.
|
||||
* the `nop' at the end is needed to keep the trap from
|
||||
clobbering things (if NPC pointed to garbage instead).
|
||||
clobbering things (if NPC pointed to garbage instead).
|
||||
*/
|
||||
|
||||
#if !defined (GDB_MULTI_ARCH) || (GDB_MULTI_ARCH == 0)
|
||||
/*
|
||||
* The following defines must go away for MULTI_ARCH.
|
||||
*/
|
||||
|
||||
#define CALL_DUMMY { 0xbc100001, 0x9de38000, 0xbc100002, 0xbe100003, \
|
||||
|
@ -506,26 +660,86 @@ void sparc_push_dummy_frame PARAMS ((void)), sparc_pop_frame PARAMS ((void));
|
|||
|
||||
#define CALL_DUMMY_CALL_OFFSET (CALL_DUMMY_START_OFFSET + 0x24)
|
||||
|
||||
/* Offset within CALL_DUMMY of the 'ta 1' instruction. */
|
||||
/* Offset within CALL_DUMMY of the 'ta 1' trap instruction. */
|
||||
|
||||
#define CALL_DUMMY_BREAKPOINT_OFFSET (CALL_DUMMY_START_OFFSET + 0x30)
|
||||
|
||||
#define CALL_DUMMY_STACK_ADJUST 68
|
||||
|
||||
#endif
|
||||
/* Call dummy method (eg. on stack, at entry point, etc.) */
|
||||
|
||||
#define CALL_DUMMY_LOCATION ON_STACK
|
||||
|
||||
/* Method for detecting dummy frames. */
|
||||
|
||||
#define PC_IN_CALL_DUMMY(PC, SP, FRAME_ADDRESS) \
|
||||
pc_in_call_dummy_on_stack (PC, SP, FRAME_ADDRESS)
|
||||
|
||||
#endif /* GDB_MULTI_ARCH */
|
||||
|
||||
#endif /* CALL_DUMMY */
|
||||
|
||||
#if !defined (GDB_MULTI_ARCH) || (GDB_MULTI_ARCH == 0)
|
||||
/*
|
||||
* The following defines must go away for MULTI_ARCH.
|
||||
*/
|
||||
|
||||
/* Insert the specified number of args and function address
|
||||
into a call sequence of the above form stored at DUMMYNAME. */
|
||||
|
||||
#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \
|
||||
sparc_fix_call_dummy (dummyname, pc, fun, type, gcc_p)
|
||||
#define FIX_CALL_DUMMY(DUMMYNAME, PC, FUN, NARGS, ARGS, TYPE, GCC_P) \
|
||||
sparc_fix_call_dummy (DUMMYNAME, PC, FUN, TYPE, GCC_P)
|
||||
void sparc_fix_call_dummy PARAMS ((char *dummy, CORE_ADDR pc, CORE_ADDR fun,
|
||||
struct type * value_type, int using_gcc));
|
||||
|
||||
/* The Sparc returns long doubles on the stack. */
|
||||
/* Arguments smaller than an int must be promoted to ints when
|
||||
synthesizing function calls. */
|
||||
|
||||
/* Push an empty stack frame, to record the current PC, etc. */
|
||||
|
||||
#define PUSH_DUMMY_FRAME sparc_push_dummy_frame ()
|
||||
#define POP_FRAME sparc_pop_frame ()
|
||||
|
||||
void sparc_push_dummy_frame PARAMS ((void));
|
||||
void sparc_pop_frame PARAMS ((void));
|
||||
|
||||
#define PUSH_ARGUMENTS(NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) \
|
||||
sparc32_push_arguments (NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR)
|
||||
|
||||
extern CORE_ADDR
|
||||
sparc32_push_arguments PARAMS ((int,
|
||||
struct value **,
|
||||
CORE_ADDR,
|
||||
int,
|
||||
CORE_ADDR));
|
||||
|
||||
/* Store the address of the place in which to copy the structure the
|
||||
subroutine will return. This is called from call_function_by_hand.
|
||||
The ultimate mystery is, tho, what is the value "16"? */
|
||||
|
||||
#define STORE_STRUCT_RETURN(ADDR, SP) \
|
||||
{ char val[4]; \
|
||||
store_unsigned_integer (val, 4, (ADDR)); \
|
||||
write_memory ((SP)+(16*4), val, 4); }
|
||||
|
||||
/* Default definition of USE_STRUCT_CONVENTION. */
|
||||
|
||||
#ifndef USE_STRUCT_CONVENTION
|
||||
#define USE_STRUCT_CONVENTION(GCC_P, TYPE) \
|
||||
generic_use_struct_convention (GCC_P, TYPE)
|
||||
#endif
|
||||
|
||||
/* Extract from an array REGBUF containing the (raw) register state a
|
||||
function return value of type TYPE, and copy that, in virtual
|
||||
format, into VALBUF. */
|
||||
|
||||
#define EXTRACT_RETURN_VALUE(TYPE, REGBUF, VALBUF) \
|
||||
sparc32_extract_return_value (TYPE, REGBUF, VALBUF)
|
||||
extern void
|
||||
sparc32_extract_return_value PARAMS ((struct type *, char[], char *));
|
||||
|
||||
#endif /* GDB_MULTI_ARCH */
|
||||
|
||||
#define RETURN_VALUE_ON_STACK(TYPE) \
|
||||
(TYPE_CODE(TYPE) == TYPE_CODE_FLT \
|
||||
&& TYPE_LENGTH(TYPE) > 8)
|
||||
|
||||
/* Sparc has no reliable single step ptrace call */
|
||||
|
||||
|
@ -548,7 +762,6 @@ extern struct frame_info *setup_arbitrary_frame PARAMS ((int, CORE_ADDR *));
|
|||
sparc_print_register_hook (regno)
|
||||
extern void sparc_print_register_hook PARAMS ((int regno));
|
||||
|
||||
|
||||
/* Optimization for storing registers to the inferior. The hook
|
||||
DO_DEFERRED_STORES
|
||||
actually executes any deferred stores. It is called any time
|
||||
|
@ -564,21 +777,7 @@ extern int deferred_stores;
|
|||
#define CLEAR_DEFERRED_STORES \
|
||||
deferred_stores = 0;
|
||||
|
||||
/* If the current gcc for for this target does not produce correct debugging
|
||||
information for float parameters, both prototyped and unprototyped, then
|
||||
define this macro. This forces gdb to always assume that floats are
|
||||
passed as doubles and then converted in the callee. */
|
||||
|
||||
#define COERCE_FLOAT_TO_DOUBLE(formal, actual) (1)
|
||||
|
||||
/* Select the sparc disassembler */
|
||||
|
||||
#define TM_PRINT_INSN_MACH bfd_mach_sparc
|
||||
|
||||
/* Arguments smaller than an int must promoted to ints when synthesizing
|
||||
function calls. */
|
||||
|
||||
#define PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) \
|
||||
(sparc_push_arguments((nargs), (args), (sp), (struct_return), (struct_addr)))
|
||||
extern CORE_ADDR
|
||||
sparc_push_arguments PARAMS ((int, struct value **, CORE_ADDR, int, CORE_ADDR));
|
||||
|
|
|
@ -18,9 +18,25 @@
|
|||
Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
#define TARGET_SPARCLET 1 /* Still needed for non-multi-arch case */
|
||||
|
||||
#include "sparc/tm-sparc.h"
|
||||
|
||||
#define TARGET_SPARCLET 1
|
||||
/* Note: we are not defining GDB_MULTI_ARCH for the sparclet target
|
||||
at this time, because we have not figured out how to detect the
|
||||
sparclet target from the bfd structure. */
|
||||
|
||||
/* Sparclet regs, for debugging purposes. */
|
||||
|
||||
enum {
|
||||
CCSR_REGNUM = 72,
|
||||
CCPR_REGNUM = 73,
|
||||
CCCRCR_REGNUM = 74,
|
||||
CCOR_REGNUM = 75,
|
||||
CCOBR_REGNUM = 76,
|
||||
CCIBR_REGNUM = 77,
|
||||
CCIR_REGNUM = 78
|
||||
};
|
||||
|
||||
/* Select the sparclet disassembler. Slightly different instruction set from
|
||||
the V8 sparc. */
|
||||
|
@ -38,6 +54,11 @@
|
|||
#define BIG_BREAKPOINT {0x91, 0xd0, 0x20, 0x01}
|
||||
#define LITTLE_BREAKPOINT {0x01, 0x20, 0xd0, 0x91}
|
||||
|
||||
#if !defined (GDB_MULTI_ARCH) || (GDB_MULTI_ARCH == 0)
|
||||
/*
|
||||
* The following defines must go away for MULTI_ARCH.
|
||||
*/
|
||||
|
||||
#undef NUM_REGS /* formerly "72" */
|
||||
/* WIN FP CPU CCP ASR AWR APSR */
|
||||
#define NUM_REGS (32 + 32 + 8 + 8 + 8/*+ 32 + 1*/)
|
||||
|
@ -80,7 +101,7 @@
|
|||
|
||||
/* Remove FP dependant code which was defined in tm-sparc.h */
|
||||
#undef FP0_REGNUM /* Floating point register 0 */
|
||||
#undef FPS_REGNUM /* Floating point status register */
|
||||
#undef FPS_REGNUM /* Floating point status register */
|
||||
#undef CPS_REGNUM /* Coprocessor status register */
|
||||
|
||||
/* sparclet register numbers */
|
||||
|
@ -103,6 +124,8 @@
|
|||
TYPE_LENGTH (TYPE)); \
|
||||
}
|
||||
|
||||
#endif /* GDB_MULTI_ARCH */
|
||||
|
||||
#undef PRINT_REGISTER_HOOK
|
||||
#define PRINT_REGISTER_HOOK(regno)
|
||||
|
||||
|
|
|
@ -18,10 +18,27 @@
|
|||
Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
#define TARGET_SPARCLITE 1
|
||||
#define TARGET_SPARCLITE 1 /* Still needed for non-multi-arch case */
|
||||
|
||||
#include "sparc/tm-sparc.h"
|
||||
|
||||
/* Note: we are not defining GDB_MULTI_ARCH for the sparclet target
|
||||
at this time, because we have not figured out how to detect the
|
||||
sparclet target from the bfd structure. */
|
||||
|
||||
/* Sparclite regs, for debugging purposes */
|
||||
|
||||
enum {
|
||||
DIA1_REGNUM = 72, /* debug instr address register 1 */
|
||||
DIA2_REGNUM = 73, /* debug instr address register 2 */
|
||||
DDA1_REGNUM = 74, /* debug data address register 1 */
|
||||
DDA2_REGNUM = 75, /* debug data address register 2 */
|
||||
DDV1_REGNUM = 76, /* debug data value register 1 */
|
||||
DDV2_REGNUM = 77, /* debug data value register 2 */
|
||||
DCR_REGNUM = 78, /* debug control register */
|
||||
DSR_REGNUM = 79 /* debug status regsiter */
|
||||
};
|
||||
|
||||
/* overrides of tm-sparc.h */
|
||||
|
||||
#undef TARGET_BYTE_ORDER
|
||||
|
@ -39,7 +56,13 @@
|
|||
|
||||
#define DECR_PC_AFTER_HW_BREAK 4
|
||||
|
||||
#define FRAME_CHAIN_VALID(fp,fi) func_frame_chain_valid (fp, fi)
|
||||
#if !defined (GDB_MULTI_ARCH) || (GDB_MULTI_ARCH == 0)
|
||||
/*
|
||||
* The following defines must go away for MULTI_ARCH.
|
||||
*/
|
||||
|
||||
#undef FRAME_CHAIN_VALID
|
||||
#define FRAME_CHAIN_VALID(FP,FI) func_frame_chain_valid (FP, FI)
|
||||
|
||||
#undef NUM_REGS
|
||||
#define NUM_REGS 80
|
||||
|
@ -71,6 +94,8 @@
|
|||
#define DCR_REGNUM 78 /* debug control register */
|
||||
#define DSR_REGNUM 79 /* debug status regsiter */
|
||||
|
||||
#endif /* GDB_MULTI_ARCH */
|
||||
|
||||
#define TARGET_HW_BREAK_LIMIT 2
|
||||
#define TARGET_HW_WATCH_LIMIT 2
|
||||
|
||||
|
|
|
@ -19,6 +19,8 @@
|
|||
Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
/*#define GDB_MULTI_ARCH 2*/
|
||||
|
||||
#include "sparc/tm-sparc.h"
|
||||
#include "tm-sysv4.h"
|
||||
|
||||
|
|
1988
gdb/sparc-tdep.c
1988
gdb/sparc-tdep.c
File diff suppressed because it is too large
Load Diff
|
@ -61,7 +61,32 @@ static void sparclet_open PARAMS ((char *args, int from_tty));
|
|||
|
||||
/* is wim part of psr?? */
|
||||
/* monitor wants lower case */
|
||||
static char *sparclet_regnames[NUM_REGS] = REGISTER_NAMES;
|
||||
static char *sparclet_regnames[] = {
|
||||
"g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7",
|
||||
"o0", "o1", "o2", "o3", "o4", "o5", "o6", "o7",
|
||||
"l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7",
|
||||
"i0", "i1", "i2", "i3", "i4", "i5", "i6", "i7",
|
||||
|
||||
"", "", "", "", "", "", "", "", /* no FPU regs */
|
||||
"", "", "", "", "", "", "", "",
|
||||
"", "", "", "", "", "", "", "",
|
||||
"", "", "", "", "", "", "", "",
|
||||
/* no CPSR, FPSR */
|
||||
"y", "psr", "wim", "tbr", "pc", "npc", "", "",
|
||||
|
||||
"ccsr", "ccpr", "cccrcr", "ccor", "ccobr", "ccibr", "ccir", "",
|
||||
|
||||
/* ASR15 ASR19 (don't display them) */
|
||||
"asr1", "", "asr17", "asr18", "", "asr20", "asr21", "asr22",
|
||||
/*
|
||||
"awr0", "awr1", "awr2", "awr3", "awr4", "awr5", "awr6", "awr7",
|
||||
"awr8", "awr9", "awr10", "awr11", "awr12", "awr13", "awr14", "awr15",
|
||||
"awr16", "awr17", "awr18", "awr19", "awr20", "awr21", "awr22", "awr23",
|
||||
"awr24", "awr25", "awr26", "awr27", "awr28", "awr29", "awr30", "awr31",
|
||||
"apsr",
|
||||
*/
|
||||
};
|
||||
|
||||
|
||||
|
||||
/* Function: sparclet_supply_register
|
||||
|
|
Loading…
Reference in New Issue