2002-08-19 Michael Snyder <msnyder@redhat.com>
* config/mips/tm-mips.h (ELF_MAKE_MSYMBOL_SPECIAL): Delete. (MSYMBOL_IS_SPECIAL, MSYMBOL_SIZE): Change into functions. (FIX_CALL_DUMMY, PUSH_RETURN_ADDRESS, PUSH_DUMMY_FRAME, POP_FRAME, INIT_EXTRA_FRAME_INFO): Delete. (CALL_DUMMY_START_OFFSET, CALL_DUMMY_BREAKPOINT_OFFSET, CALL_DUMMY_ADDRESS): Delete. * mips-tdep.c (mips_elf_make_msymbol_special, mips_msymbol_size, mips_msymbol_is_special, mips_fix_call_dummy): New functions. (mips_gdbarch_init): Set elf_make_msymbol_special, pop_frame, push_dummy_frame, fix_call_dummy, init_extra_frame_info, push_return_address. (mips_register_raw_size, mips_eabi_use_struct_convention, mips_n32n64_use_struct_convention, mips_o32_use_struct_convention, mips_o32_reg_struct_has_addr, mips_frame_saved_pc, mips_frame_chain, mips_init_extra_frame_info, mips_eabi_push_arguments, mips_n32n64_push_arguments, mips_push_return_address, mips_push_dummy_frame, mips_pop_frame, mips_skip_prologue, mips_breakpoint_from_pc, mips_call_dummy_address): Make static.
This commit is contained in:
Michael Snyder
parent
697f7479bb
commit
f7ab6ec685
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@ -16,6 +16,27 @@
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(build_builtin_type_vec128): Ditto.
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(build_builtin_type_vec128i): Ditto.
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2002-08-19 Michael Snyder <msnyder@redhat.com>
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* config/mips/tm-mips.h (ELF_MAKE_MSYMBOL_SPECIAL): Delete.
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(MSYMBOL_IS_SPECIAL, MSYMBOL_SIZE): Change into functions.
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(FIX_CALL_DUMMY, PUSH_RETURN_ADDRESS, PUSH_DUMMY_FRAME,
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POP_FRAME, INIT_EXTRA_FRAME_INFO): Delete.
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(CALL_DUMMY_START_OFFSET, CALL_DUMMY_BREAKPOINT_OFFSET,
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CALL_DUMMY_ADDRESS): Delete.
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* mips-tdep.c (mips_elf_make_msymbol_special, mips_msymbol_size,
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mips_msymbol_is_special, mips_fix_call_dummy): New functions.
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(mips_gdbarch_init): Set elf_make_msymbol_special, pop_frame,
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push_dummy_frame, fix_call_dummy, init_extra_frame_info,
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push_return_address.
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(mips_register_raw_size, mips_eabi_use_struct_convention,
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mips_n32n64_use_struct_convention, mips_o32_use_struct_convention,
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mips_o32_reg_struct_has_addr, mips_frame_saved_pc, mips_frame_chain,
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mips_init_extra_frame_info, mips_eabi_push_arguments,
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mips_n32n64_push_arguments, mips_push_return_address,
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mips_push_dummy_frame, mips_pop_frame, mips_skip_prologue,
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mips_breakpoint_from_pc, mips_call_dummy_address): Make static.
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2002-08-19 Michael Snyder <msnyder@redhat.com>
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* mips-tdep.c (mips_frame_num_args): New function.
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@ -171,39 +171,6 @@ extern void mips_register_convert_from_type (int regnum,
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mips_register_convert_from_type ((n), (type), (buffer))
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/* Things needed for making the inferior call functions. */
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/* Stack must be aligned on 32-bit boundaries when synthesizing
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function calls. We don't need STACK_ALIGN, PUSH_ARGUMENTS will
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handle it. */
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extern CORE_ADDR mips_push_return_address (CORE_ADDR pc, CORE_ADDR sp);
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#define PUSH_RETURN_ADDRESS(PC, SP) (mips_push_return_address ((PC), (SP)))
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/* Push an empty stack frame, to record the current PC, etc. */
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#define PUSH_DUMMY_FRAME mips_push_dummy_frame()
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extern void mips_push_dummy_frame (void);
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/* Discard from the stack the innermost frame, restoring all registers. */
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#define POP_FRAME mips_pop_frame()
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extern void mips_pop_frame (void);
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#define CALL_DUMMY_START_OFFSET (0)
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#define CALL_DUMMY_BREAKPOINT_OFFSET (0)
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/* When calling functions on Irix 5 (or any MIPS SVR4 ABI compliant
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platform), $t9 ($25) (Dest_Reg) contains the address of the callee
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(used for PIC). It doesn't hurt to do this on other systems; $t9
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will be ignored. */
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#define FIX_CALL_DUMMY(dummyname, start_sp, fun, nargs, args, rettype, gcc_p) \
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write_register(T9_REGNUM, fun)
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#define CALL_DUMMY_ADDRESS() (mips_call_dummy_address ())
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extern CORE_ADDR mips_call_dummy_address (void);
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/* Special symbol found in blocks associated with routines. We can hang
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mips_extra_func_info_t's off of this. */
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@ -223,10 +190,6 @@ typedef struct mips_extra_func_info
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}
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*mips_extra_func_info_t;
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extern void mips_init_extra_frame_info (int fromleaf, struct frame_info *);
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#define INIT_EXTRA_FRAME_INFO(fromleaf, fci) \
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mips_init_extra_frame_info(fromleaf, fci)
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extern void mips_print_extra_frame_info (struct frame_info *frame);
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#define PRINT_EXTRA_FRAME_INFO(fi) \
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mips_print_extra_frame_info (fi)
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@ -302,18 +265,13 @@ typedef unsigned long t_inst; /* Integer big enough to hold an instruction */
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the "info" field with the "special" bit masked out
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*/
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#define ELF_MAKE_MSYMBOL_SPECIAL(sym,msym) \
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{ \
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if (((elf_symbol_type *)(sym))->internal_elf_sym.st_other == STO_MIPS16) { \
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MSYMBOL_INFO (msym) = (char *) (((long) MSYMBOL_INFO (msym)) | 0x80000000); \
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SYMBOL_VALUE_ADDRESS (msym) |= 1; \
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} \
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}
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#define MSYMBOL_IS_SPECIAL(msym) \
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(((long) MSYMBOL_INFO (msym) & 0x80000000) != 0)
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mips_msymbol_is_special (msym)
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#define MSYMBOL_SIZE(msym) \
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((long) MSYMBOL_INFO (msym) & 0x7fffffff)
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mips_msymbol_size (msym)
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struct minimal_symbol;
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extern int mips_msymbol_is_special (struct minimal_symbol *msym);
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extern long mips_msymbol_size (struct minimal_symbol *msym);
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/* Command to set the processor type. */
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@ -476,7 +476,7 @@ mips_print_extra_frame_info (struct frame_info *fi)
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static int mips64_transfers_32bit_regs_p = 0;
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int
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static int
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mips_register_raw_size (int reg_nr)
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{
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if (mips64_transfers_32bit_regs_p)
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@ -653,19 +653,19 @@ show_mask_address (char *cmd, int from_tty, struct cmd_list_element *c)
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/* Should call_function allocate stack space for a struct return? */
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int
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static int
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mips_eabi_use_struct_convention (int gcc_p, struct type *type)
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{
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return (TYPE_LENGTH (type) > 2 * MIPS_SAVED_REGSIZE);
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}
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int
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static int
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mips_n32n64_use_struct_convention (int gcc_p, struct type *type)
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{
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return (TYPE_LENGTH (type) > 2 * MIPS_SAVED_REGSIZE);
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}
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int
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static int
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mips_o32_use_struct_convention (int gcc_p, struct type *type)
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{
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return 1; /* Structures are returned by ref in extra arg0. */
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@ -693,7 +693,7 @@ mips_n32n64_reg_struct_has_addr (int gcc_p, struct type *type)
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return 0; /* Assumption: N32/N64 never passes struct by ref. */
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}
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int
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static int
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mips_o32_reg_struct_has_addr (int gcc_p, struct type *type)
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{
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return 0; /* Assumption: O32/O64 never passes struct by ref. */
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@ -720,6 +720,38 @@ pc_is_mips16 (bfd_vma memaddr)
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return 0;
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}
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/* ELF_MAKE_MSYMBOL_SPECIAL tests whether an ELF symbol is "special",
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i.e. refers to a 16-bit function, and sets a "special" bit in a
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minimal symbol to mark it as a 16-bit function. */
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static void
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mips_elf_make_msymbol_special (asymbol *sym, struct minimal_symbol *msym)
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{
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if (((elf_symbol_type *)(sym))->internal_elf_sym.st_other == STO_MIPS16)
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{
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MSYMBOL_INFO (msym) = (char *)
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(((long) MSYMBOL_INFO (msym)) | 0x80000000);
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SYMBOL_VALUE_ADDRESS (msym) |= 1;
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}
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}
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/* MSYMBOL_IS_SPECIAL tests the "special" bit in a minimal symbol. */
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int
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mips_msymbol_is_special (struct minimal_symbol *msym)
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{
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return (((long) MSYMBOL_INFO (msym) & 0x80000000) != 0);
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}
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/* MSYMBOL_SIZE returns the size of the minimal symbol, i.e. the
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"info" field with the "special" bit masked out. */
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long
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mips_msymbol_size (struct minimal_symbol *msym)
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{
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return ((long) MSYMBOL_INFO (msym) & 0x7fffffff);
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}
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/* MIPS believes that the PC has a sign extended value. Perhaphs the
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all registers should be sign extended for simplicity? */
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@ -1649,7 +1681,7 @@ mips_init_frame_pc_first (int fromleaf, struct frame_info *prev)
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}
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CORE_ADDR
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static CORE_ADDR
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mips_frame_saved_pc (struct frame_info *frame)
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{
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CORE_ADDR saved_pc;
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@ -2361,7 +2393,7 @@ get_frame_pointer (struct frame_info *frame,
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mips_extra_func_info_t cached_proc_desc;
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CORE_ADDR
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static CORE_ADDR
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mips_frame_chain (struct frame_info *frame)
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{
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mips_extra_func_info_t proc_desc;
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@ -2392,13 +2424,13 @@ mips_frame_chain (struct frame_info *frame)
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and have frame size zero. */
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&& !frame->signal_handler_caller
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/* Check if this is a call dummy frame. */
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&& frame->pc != mips_call_dummy_address ())
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&& frame->pc != CALL_DUMMY_ADDRESS ())
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return 0;
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else
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return get_frame_pointer (frame, proc_desc);
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}
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void
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static void
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mips_init_extra_frame_info (int fromleaf, struct frame_info *fci)
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{
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int regnum;
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@ -2539,7 +2571,7 @@ mips_type_needs_double_align (struct type *type)
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#define ROUND_DOWN(n,a) ((n) & ~((a)-1))
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#define ROUND_UP(n,a) (((n)+(a)-1) & ~((a)-1))
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CORE_ADDR
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static CORE_ADDR
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mips_eabi_push_arguments (int nargs,
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struct value **args,
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CORE_ADDR sp,
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@ -2792,7 +2824,7 @@ mips_eabi_push_arguments (int nargs,
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/* N32/N64 version of push_arguments. */
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CORE_ADDR
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static CORE_ADDR
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mips_n32n64_push_arguments (int nargs,
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struct value **args,
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CORE_ADDR sp,
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@ -3614,7 +3646,7 @@ mips_o64_push_arguments (int nargs,
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return sp;
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}
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CORE_ADDR
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static CORE_ADDR
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mips_push_return_address (CORE_ADDR pc, CORE_ADDR sp)
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{
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/* Set the return address register to point to the entry
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@ -3649,7 +3681,7 @@ mips_push_register (CORE_ADDR * sp, int regno)
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/* MASK(i,j) == (1<<i) + (1<<(i+1)) + ... + (1<<j)). Assume i<=j<(MIPS_NUMREGS-1). */
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#define MASK(i,j) (((1 << ((j)+1))-1) ^ ((1 << (i))-1))
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void
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static void
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mips_push_dummy_frame (void)
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{
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int ireg;
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@ -3728,7 +3760,7 @@ mips_push_dummy_frame (void)
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PROC_PC_REG (proc_desc) = RA_REGNUM;
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}
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void
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static void
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mips_pop_frame (void)
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{
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register int regnum;
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@ -3786,6 +3818,13 @@ mips_pop_frame (void)
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}
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}
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static void
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mips_fix_call_dummy (char *dummy, CORE_ADDR pc, CORE_ADDR fun, int nargs,
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struct value **args, struct type *type, int gcc_p)
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{
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write_register(T9_REGNUM, fun);
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}
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/* Floating point register management.
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Background: MIPS1 & 2 fp registers are 32 bits wide. To support
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@ -4381,7 +4420,7 @@ mips16_skip_prologue (CORE_ADDR pc)
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We must skip more in the case where part of the prologue is in the
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delay slot of a non-prologue instruction). */
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CORE_ADDR
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static CORE_ADDR
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mips_skip_prologue (CORE_ADDR pc)
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{
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/* See if we can determine the end of the prologue via the symbol table.
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@ -5097,7 +5136,7 @@ gdb_print_insn_mips (bfd_vma memaddr, disassemble_info *info)
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(if necessary) to point to the actual memory location where the
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breakpoint should be inserted. */
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const unsigned char *
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static const unsigned char *
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mips_breakpoint_from_pc (CORE_ADDR * pcptr, int *lenptr)
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{
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if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
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@ -5340,7 +5379,7 @@ mips_ignore_helper (CORE_ADDR pc)
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point (e.g. programs in ROM) should define a symbol __CALL_DUMMY_ADDRESS
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whose address is the location where the breakpoint should be placed. */
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CORE_ADDR
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static CORE_ADDR
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mips_call_dummy_address (void)
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{
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struct minimal_symbol *sym;
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@ -5674,6 +5713,9 @@ mips_gdbarch_init (struct gdbarch_info info,
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tdep->found_abi = found_abi;
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tdep->mips_abi = mips_abi;
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set_gdbarch_elf_make_msymbol_special (gdbarch,
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mips_elf_make_msymbol_special);
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switch (mips_abi)
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{
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case MIPS_ABI_O32:
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@ -5897,10 +5939,14 @@ mips_gdbarch_init (struct gdbarch_info info,
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set_gdbarch_use_generic_dummy_frames (gdbarch, 0);
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set_gdbarch_call_dummy_location (gdbarch, AT_ENTRY_POINT);
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set_gdbarch_call_dummy_address (gdbarch, mips_call_dummy_address);
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set_gdbarch_push_return_address (gdbarch, mips_push_return_address);
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set_gdbarch_push_dummy_frame (gdbarch, mips_push_dummy_frame);
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set_gdbarch_pop_frame (gdbarch, mips_pop_frame);
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set_gdbarch_call_dummy_start_offset (gdbarch, 0);
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set_gdbarch_call_dummy_breakpoint_offset_p (gdbarch, 1);
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set_gdbarch_call_dummy_breakpoint_offset (gdbarch, 0);
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set_gdbarch_call_dummy_length (gdbarch, 0);
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set_gdbarch_fix_call_dummy (gdbarch, mips_fix_call_dummy);
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set_gdbarch_pc_in_call_dummy (gdbarch, pc_in_call_dummy_at_entry_point);
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set_gdbarch_call_dummy_words (gdbarch, mips_call_dummy_words);
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set_gdbarch_sizeof_call_dummy_words (gdbarch, sizeof (mips_call_dummy_words));
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