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[RFA] mips-linux-tdep whitespace tweaks


Daniel, OK?

2005-01-13  Michael Snyder  <msnyder@redhat.com>

	* mips-linux-tdep.c: Whitespace tweaks.

Index: mips-linux-tdep.c
===================================================================
RCS file: /cvs/src/src/gdb/mips-linux-tdep.c,v
retrieving revision 1.35
diff -p -r1.35 mips-linux-tdep.c
*** mips-linux-tdep.c	14 Nov 2004 19:29:27 -0000	1.35
--- mips-linux-tdep.c	14 Jan 2005 06:10:52 -0000
*************** typedef elf_fpreg_t elf_fpregset_t[ELF_N
*** 64,72 ****
  #define EF_SIZE			180
  
  /* Figure out where the longjmp will land.
!    We expect the first arg to be a pointer to the jmp_buf structure from
!    which we extract the pc (MIPS_LINUX_JB_PC) that we will land at.  The pc
!    is copied into PC.  This routine returns 1 on success.  */
  
  #define MIPS_LINUX_JB_ELEMENT_SIZE 4
  #define MIPS_LINUX_JB_PC 0
--- 64,73 ----
  #define EF_SIZE			180
  
  /* Figure out where the longjmp will land.
!    We expect the first arg to be a pointer to the jmp_buf structure
!    from which we extract the pc (MIPS_LINUX_JB_PC) that we will land
!    at.  The pc is copied into PC.  This routine returns 1 on
!    success.  */
  
  #define MIPS_LINUX_JB_ELEMENT_SIZE 4
  #define MIPS_LINUX_JB_PC 0
*************** supply_gregset (elf_gregset_t *gregsetp)
*** 131,137 ****
  
    /* Fill inaccessible registers with zero.  */
    regcache_raw_supply (current_regcache, MIPS_UNUSED_REGNUM, zerobuf);
!   for (regi = MIPS_FIRST_EMBED_REGNUM; regi < MIPS_LAST_EMBED_REGNUM; regi++)
      regcache_raw_supply (current_regcache, regi, zerobuf);
  }
  
--- 132,140 ----
  
    /* Fill inaccessible registers with zero.  */
    regcache_raw_supply (current_regcache, MIPS_UNUSED_REGNUM, zerobuf);
!   for (regi = MIPS_FIRST_EMBED_REGNUM;
!        regi < MIPS_LAST_EMBED_REGNUM;
!        regi++)
      regcache_raw_supply (current_regcache, regi, zerobuf);
  }
  
*************** supply_fpregset (elf_fpregset_t *fpregse
*** 206,212 ****
  		       mips_regnum (current_gdbarch)->fp_control_status,
  		       (char *)(*fpregsetp + 32));
  
!   /* FIXME: how can we supply FCRIR?  The ABI doesn't tell us. */
    regcache_raw_supply (current_regcache,
  		       mips_regnum (current_gdbarch)->fp_implementation_revision,
  		       zerobuf);
--- 209,215 ----
  		       mips_regnum (current_gdbarch)->fp_control_status,
  		       (char *)(*fpregsetp + 32));
  
!   /* FIXME: how can we supply FCRIR?  The ABI doesn't tell us.  */
    regcache_raw_supply (current_regcache,
  		       mips_regnum (current_gdbarch)->fp_implementation_revision,
  		       zerobuf);
*************** fill_fpregset (elf_fpregset_t *fpregsetp
*** 236,242 ****
  
        for (regi = 0; regi < 32; regi++)
  	fill_fpregset (fpregsetp, FP0_REGNUM + regi);
!       fill_fpregset(fpregsetp, mips_regnum (current_gdbarch)->fp_control_status);
      }
  }
  
--- 239,246 ----
  
        for (regi = 0; regi < 32; regi++)
  	fill_fpregset (fpregsetp, FP0_REGNUM + regi);
!       fill_fpregset (fpregsetp,
! 		     mips_regnum (current_gdbarch)->fp_control_status);
      }
  }
  
*************** mips_linux_register_addr (int regno, COR
*** 278,297 ****
  
  
  /* Fetch (and possibly build) an appropriate link_map_offsets
!    structure for native GNU/Linux MIPS targets using the struct offsets
!    defined in link.h (but without actual reference to that file).
! 
!    This makes it possible to access GNU/Linux MIPS shared libraries from a
!    GDB that was built on a different host platform (for cross debugging).  */
  
  static struct link_map_offsets *
  mips_linux_svr4_fetch_link_map_offsets (void)
! { 
    static struct link_map_offsets lmo;
    static struct link_map_offsets *lmp = NULL;
  
    if (lmp == NULL)
!     { 
        lmp = &lmo;
  
        lmo.r_debug_size = 8;	/* The actual size is 20 bytes, but
--- 282,303 ----
  
  
  /* Fetch (and possibly build) an appropriate link_map_offsets
!    structure for native GNU/Linux MIPS targets using the struct
!    offsets defined in link.h (but without actual reference to that
!    file).
! 
!    This makes it possible to access GNU/Linux MIPS shared libraries
!    from a GDB that was built on a different host platform (for cross
!    debugging).  */
  
  static struct link_map_offsets *
  mips_linux_svr4_fetch_link_map_offsets (void)
! {
    static struct link_map_offsets lmo;
    static struct link_map_offsets *lmp = NULL;
  
    if (lmp == NULL)
!     {
        lmp = &lmo;
  
        lmo.r_debug_size = 8;	/* The actual size is 20 bytes, but
*************** typedef mips64_elf_fpreg_t mips64_elf_fp
*** 351,359 ****
  #define MIPS64_EF_SIZE			304
  
  /* Figure out where the longjmp will land.
!    We expect the first arg to be a pointer to the jmp_buf structure from
!    which we extract the pc (MIPS_LINUX_JB_PC) that we will land at.  The pc
!    is copied into PC.  This routine returns 1 on success.  */
  
  /* Details about jmp_buf.  */
  
--- 357,366 ----
  #define MIPS64_EF_SIZE			304
  
  /* Figure out where the longjmp will land.
!    We expect the first arg to be a pointer to the jmp_buf structure
!    from which we extract the pc (MIPS_LINUX_JB_PC) that we will land
!    at.  The pc is copied into PC.  This routine returns 1 on
!    success.  */
  
  /* Details about jmp_buf.  */
  
*************** mips64_supply_gregset (mips64_elf_gregse
*** 392,414 ****
      regcache_raw_supply (current_regcache, (regi - MIPS64_EF_REG0),
  			 (char *)(regp + regi));
  
!   regcache_raw_supply (current_regcache, mips_regnum (current_gdbarch)->lo,
! 		       (char *)(regp + MIPS64_EF_LO));
!   regcache_raw_supply (current_regcache, mips_regnum (current_gdbarch)->hi,
! 		       (char *)(regp + MIPS64_EF_HI));
! 
!   regcache_raw_supply (current_regcache, mips_regnum (current_gdbarch)->pc,
! 		       (char *)(regp + MIPS64_EF_CP0_EPC));
!   regcache_raw_supply (current_regcache, mips_regnum (current_gdbarch)->badvaddr,
! 		       (char *)(regp + MIPS64_EF_CP0_BADVADDR));
    regcache_raw_supply (current_regcache, MIPS_PS_REGNUM,
! 		       (char *)(regp + MIPS64_EF_CP0_STATUS));
!   regcache_raw_supply (current_regcache, mips_regnum (current_gdbarch)->cause,
! 		       (char *)(regp + MIPS64_EF_CP0_CAUSE));
  
    /* Fill inaccessible registers with zero.  */
    regcache_raw_supply (current_regcache, MIPS_UNUSED_REGNUM, zerobuf);
!   for (regi = MIPS_FIRST_EMBED_REGNUM; regi < MIPS_LAST_EMBED_REGNUM; regi++)
      regcache_raw_supply (current_regcache, regi, zerobuf);
  }
  
--- 399,428 ----
      regcache_raw_supply (current_regcache, (regi - MIPS64_EF_REG0),
  			 (char *)(regp + regi));
  
!   regcache_raw_supply (current_regcache,
! 		       mips_regnum (current_gdbarch)->lo,
! 		       (char *) (regp + MIPS64_EF_LO));
!   regcache_raw_supply (current_regcache,
! 		       mips_regnum (current_gdbarch)->hi,
! 		       (char *) (regp + MIPS64_EF_HI));
! 
!   regcache_raw_supply (current_regcache,
! 		       mips_regnum (current_gdbarch)->pc,
! 		       (char *) (regp + MIPS64_EF_CP0_EPC));
!   regcache_raw_supply (current_regcache,
! 		       mips_regnum (current_gdbarch)->badvaddr,
! 		       (char *) (regp + MIPS64_EF_CP0_BADVADDR));
    regcache_raw_supply (current_regcache, MIPS_PS_REGNUM,
! 		       (char *) (regp + MIPS64_EF_CP0_STATUS));
!   regcache_raw_supply (current_regcache,
! 		       mips_regnum (current_gdbarch)->cause,
! 		       (char *) (regp + MIPS64_EF_CP0_CAUSE));
  
    /* Fill inaccessible registers with zero.  */
    regcache_raw_supply (current_regcache, MIPS_UNUSED_REGNUM, zerobuf);
!   for (regi = MIPS_FIRST_EMBED_REGNUM;
!        regi < MIPS_LAST_EMBED_REGNUM;
!        regi++)
      regcache_raw_supply (current_regcache, regi, zerobuf);
  }
  
*************** mips64_fill_gregset (mips64_elf_gregset_
*** 429,437 ****
        mips64_fill_gregset (gregsetp, mips_regnum (current_gdbarch)->lo);
        mips64_fill_gregset (gregsetp, mips_regnum (current_gdbarch)->hi);
        mips64_fill_gregset (gregsetp, mips_regnum (current_gdbarch)->pc);
!       mips64_fill_gregset (gregsetp, mips_regnum (current_gdbarch)->badvaddr);
        mips64_fill_gregset (gregsetp, MIPS_PS_REGNUM);
!       mips64_fill_gregset (gregsetp, mips_regnum (current_gdbarch)->cause);
  
        return;
     }
--- 443,453 ----
        mips64_fill_gregset (gregsetp, mips_regnum (current_gdbarch)->lo);
        mips64_fill_gregset (gregsetp, mips_regnum (current_gdbarch)->hi);
        mips64_fill_gregset (gregsetp, mips_regnum (current_gdbarch)->pc);
!       mips64_fill_gregset (gregsetp,
! 			   mips_regnum (current_gdbarch)->badvaddr);
        mips64_fill_gregset (gregsetp, MIPS_PS_REGNUM);
!       mips64_fill_gregset (gregsetp,
! 			   mips_regnum (current_gdbarch)->cause);
  
        return;
     }
*************** mips64_supply_fpregset (mips64_elf_fpreg
*** 483,489 ****
  		       mips_regnum (current_gdbarch)->fp_control_status,
  		       (char *)(*fpregsetp + 32));
  
!   /* FIXME: how can we supply FCRIR?  The ABI doesn't tell us. */
    regcache_raw_supply (current_regcache,
  		       mips_regnum (current_gdbarch)->fp_implementation_revision,
  		       zerobuf);
--- 499,505 ----
  		       mips_regnum (current_gdbarch)->fp_control_status,
  		       (char *)(*fpregsetp + 32));
  
!   /* FIXME: how can we supply FCRIR?  The ABI doesn't tell us.  */
    regcache_raw_supply (current_regcache,
  		       mips_regnum (current_gdbarch)->fp_implementation_revision,
  		       zerobuf);
*************** fetch_core_registers (char *core_reg_sec
*** 593,599 ****
  	}
        else if (core_reg_size == sizeof (fpregset64))
  	{
! 	  memcpy ((char *) &fpregset64, core_reg_sect, sizeof (fpregset64));
  	  mips64_supply_fpregset (&fpregset64);
  	}
        else
--- 609,616 ----
  	}
        else if (core_reg_size == sizeof (fpregset64))
  	{
! 	  memcpy ((char *) &fpregset64, core_reg_sect,
! 		  sizeof (fpregset64));
  	  mips64_supply_fpregset (&fpregset64);
  	}
        else
*************** static struct core_fns regset_core_fns =
*** 616,635 ****
  };
  
  /* Fetch (and possibly build) an appropriate link_map_offsets
!    structure for native GNU/Linux MIPS targets using the struct offsets
!    defined in link.h (but without actual reference to that file).
! 
!    This makes it possible to access GNU/Linux MIPS shared libraries from a
!    GDB that was built on a different host platform (for cross debugging).  */
  
  static struct link_map_offsets *
  mips64_linux_svr4_fetch_link_map_offsets (void)
! { 
    static struct link_map_offsets lmo;
    static struct link_map_offsets *lmp = NULL;
  
    if (lmp == NULL)
!     { 
        lmp = &lmo;
  
        lmo.r_debug_size = 16;	/* The actual size is 40 bytes, but
--- 633,654 ----
  };
  
  /* Fetch (and possibly build) an appropriate link_map_offsets
!    structure for native GNU/Linux MIPS targets using the struct
!    offsets defined in link.h (but without actual reference to that
!    file).
! 
!    This makes it possible to access GNU/Linux MIPS shared libraries
!    from a GDB that was built on a different host platform (for cross
!    debugging).  */
  
  static struct link_map_offsets *
  mips64_linux_svr4_fetch_link_map_offsets (void)
! {
    static struct link_map_offsets lmo;
    static struct link_map_offsets *lmp = NULL;
  
    if (lmp == NULL)
!     {
        lmp = &lmo;
  
        lmo.r_debug_size = 16;	/* The actual size is 40 bytes, but
*************** mips64_linux_svr4_fetch_link_map_offsets
*** 655,662 ****
    return lmp;
  }
  
! /* Handle for obtaining pointer to the current register_addr() function
!    for a given architecture.  */
  static struct gdbarch_data *register_addr_data;
  
  CORE_ADDR
--- 674,681 ----
    return lmp;
  }
  
! /* Handle for obtaining pointer to the current register_addr()
!    function for a given architecture.  */
  static struct gdbarch_data *register_addr_data;
  
  CORE_ADDR
*************** register_addr (int regno, CORE_ADDR bloc
*** 672,680 ****
  
  static void
  set_mips_linux_register_addr (struct gdbarch *gdbarch,
!                               CORE_ADDR (*register_addr_ptr) (int, CORE_ADDR))
  {
!   deprecated_set_gdbarch_data (gdbarch, register_addr_data, register_addr_ptr);
  }
  
  static void *
--- 691,701 ----
  
  static void
  set_mips_linux_register_addr (struct gdbarch *gdbarch,
!                               CORE_ADDR (*register_addr_ptr) (int,
! 							      CORE_ADDR))
  {
!   deprecated_set_gdbarch_data (gdbarch, register_addr_data,
! 			       register_addr_ptr);
  }
  
  static void *
*************** init_register_addr_data (struct gdbarch 
*** 683,699 ****
    return 0;
  }
  
! /* Check the code at PC for a dynamic linker lazy resolution stub.  Because
!    they aren't in the .plt section, we pattern-match on the code generated
!    by GNU ld.  They look like this:
  
     lw t9,0x8010(gp)
     addu t7,ra
     jalr t9,ra
     addiu t8,zero,INDEX
  
!    (with the appropriate doubleword instructions for N64).  Also return the
!    dynamic symbol index used in the last instruction.  */
  
  static int
  mips_linux_in_dynsym_stub (CORE_ADDR pc, char *name)
--- 704,720 ----
    return 0;
  }
  
! /* Check the code at PC for a dynamic linker lazy resolution stub.
!    Because they aren't in the .plt section, we pattern-match on the
!    code generated by GNU ld.  They look like this:
  
     lw t9,0x8010(gp)
     addu t7,ra
     jalr t9,ra
     addiu t8,zero,INDEX
  
!    (with the appropriate doubleword instructions for N64).  Also
!    return the dynamic symbol index used in the last instruction.  */
  
  static int
  mips_linux_in_dynsym_stub (CORE_ADDR pc, char *name)
*************** mips_linux_in_dynsym_stub (CORE_ADDR pc,
*** 739,745 ****
        if (insn != 0x03e07821)
  	return 0;
      }
!   
    insn = extract_unsigned_integer (p + 8, 4);
    /* jalr t9,ra */
    if (insn != 0x0320f809)
--- 760,766 ----
        if (insn != 0x03e07821)
  	return 0;
      }
! 
    insn = extract_unsigned_integer (p + 8, 4);
    /* jalr t9,ra */
    if (insn != 0x0320f809)
*************** mips_linux_in_dynsym_stub (CORE_ADDR pc,
*** 762,780 ****
    return (insn & 0xffff);
  }
  
! /* Return non-zero iff PC belongs to the dynamic linker resolution code
!    or to a stub.  */
  
  int
  mips_linux_in_dynsym_resolve_code (CORE_ADDR pc)
  {
!   /* Check whether PC is in the dynamic linker.  This also checks whether
!      it is in the .plt section, which MIPS does not use.  */
    if (in_solib_dynsym_resolve_code (pc))
      return 1;
  
!   /* Pattern match for the stub.  It would be nice if there were a more
!      efficient way to avoid this check.  */
    if (mips_linux_in_dynsym_stub (pc, NULL))
      return 1;
  
--- 783,801 ----
    return (insn & 0xffff);
  }
  
! /* Return non-zero iff PC belongs to the dynamic linker resolution
!    code or to a stub.  */
  
  int
  mips_linux_in_dynsym_resolve_code (CORE_ADDR pc)
  {
!   /* Check whether PC is in the dynamic linker.  This also checks
!      whether it is in the .plt section, which MIPS does not use.  */
    if (in_solib_dynsym_resolve_code (pc))
      return 1;
  
!   /* Pattern match for the stub.  It would be nice if there were a
!      more efficient way to avoid this check.  */
    if (mips_linux_in_dynsym_stub (pc, NULL))
      return 1;
  
*************** mips_linux_skip_resolver (struct gdbarch
*** 798,807 ****
    resolver = lookup_minimal_symbol ("__dl_runtime_resolve", NULL, NULL);
  
    if (resolver && SYMBOL_VALUE_ADDRESS (resolver) == pc)
!     return frame_pc_unwind (get_current_frame ()); 
  
    return 0;
! }      
  
  /* Signal trampoline support.  There are four supported layouts for a
     signal frame: o32 sigframe, o32 rt_sigframe, n32 rt_sigframe, and
--- 819,828 ----
    resolver = lookup_minimal_symbol ("__dl_runtime_resolve", NULL, NULL);
  
    if (resolver && SYMBOL_VALUE_ADDRESS (resolver) == pc)
!     return frame_pc_unwind (get_current_frame ());
  
    return 0;
! }
  
  /* Signal trampoline support.  There are four supported layouts for a
     signal frame: o32 sigframe, o32 rt_sigframe, n32 rt_sigframe, and
*************** static const struct tramp_frame mips_lin
*** 868,874 ****
  static const struct tramp_frame mips_linux_n64_rt_sigframe = {
    SIGTRAMP_FRAME,
    4,
!   { MIPS_INST_LI_V0_N64_RT_SIGRETURN, MIPS_INST_SYSCALL, TRAMP_SENTINEL_INSN },
    mips_linux_n32n64_sigframe_init
  };
  
--- 889,897 ----
  static const struct tramp_frame mips_linux_n64_rt_sigframe = {
    SIGTRAMP_FRAME,
    4,
!   { MIPS_INST_LI_V0_N64_RT_SIGRETURN,
!     MIPS_INST_SYSCALL,
!     TRAMP_SENTINEL_INSN },
    mips_linux_n32n64_sigframe_init
  };
  
*************** mips_linux_o32_sigframe_init (const stru
*** 958,968 ****
      sigcontext_base += SIGFRAME_SIGCONTEXT_OFFSET;
    else
      sigcontext_base += RTSIGFRAME_SIGCONTEXT_OFFSET;
!     
!   /* I'm not proud of this hack.  Eventually we will have the infrastructure
!      to indicate the size of saved registers on a per-frame basis, but
!      right now we don't; the kernel saves eight bytes but we only want
!      four.  */
    if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
      sigcontext_base += 4;
  
--- 981,991 ----
      sigcontext_base += SIGFRAME_SIGCONTEXT_OFFSET;
    else
      sigcontext_base += RTSIGFRAME_SIGCONTEXT_OFFSET;
! 
!   /* I'm not proud of this hack.  Eventually we will have the
!      infrastructure to indicate the size of saved registers on a
!      per-frame basis, but right now we don't; the kernel saves eight
!      bytes but we only want four.  */
    if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
      sigcontext_base += 4;
  
*************** mips_linux_o32_sigframe_init (const stru
*** 972,978 ****
  #endif
  
    for (ireg = 1; ireg < 32; ireg++)
!     trad_frame_set_reg_addr (this_cache, ireg + MIPS_ZERO_REGNUM + NUM_REGS,
  			     sigcontext_base + SIGCONTEXT_REGS
  			     + ireg * SIGCONTEXT_REG_SIZE);
  
--- 995,1002 ----
  #endif
  
    for (ireg = 1; ireg < 32; ireg++)
!     trad_frame_set_reg_addr (this_cache,
! 			     ireg + MIPS_ZERO_REGNUM + NUM_REGS,
  			     sigcontext_base + SIGCONTEXT_REGS
  			     + ireg * SIGCONTEXT_REG_SIZE);
  
*************** mips_linux_o32_sigframe_init (const stru
*** 984,990 ****
    trad_frame_set_reg_addr (this_cache, regs->pc + NUM_REGS,
  			   sigcontext_base + SIGCONTEXT_PC);
  
!   trad_frame_set_reg_addr (this_cache, regs->fp_control_status + NUM_REGS,
  			   sigcontext_base + SIGCONTEXT_FPCSR);
    trad_frame_set_reg_addr (this_cache, regs->hi + NUM_REGS,
  			   sigcontext_base + SIGCONTEXT_HI);
--- 1008,1015 ----
    trad_frame_set_reg_addr (this_cache, regs->pc + NUM_REGS,
  			   sigcontext_base + SIGCONTEXT_PC);
  
!   trad_frame_set_reg_addr (this_cache,
! 			   regs->fp_control_status + NUM_REGS,
  			   sigcontext_base + SIGCONTEXT_FPCSR);
    trad_frame_set_reg_addr (this_cache, regs->hi + NUM_REGS,
  			   sigcontext_base + SIGCONTEXT_HI);
*************** mips_linux_o32_sigframe_init (const stru
*** 997,1003 ****
  
    /* Choice of the bottom of the sigframe is somewhat arbitrary.  */
    trad_frame_set_id (this_cache,
! 		     frame_id_build (func - SIGFRAME_CODE_OFFSET, func));
  }
  
  /* *INDENT-OFF* */
--- 1022,1029 ----
  
    /* Choice of the bottom of the sigframe is somewhat arbitrary.  */
    trad_frame_set_id (this_cache,
! 		     frame_id_build (func - SIGFRAME_CODE_OFFSET,
! 				     func));
  }
  
  /* *INDENT-OFF* */
*************** mips_linux_o32_sigframe_init (const stru
*** 1017,1023 ****
      struct sigcontext   uc_mcontext;
      sigset_t            uc_sigmask;   [ mask last for extensibility ]
    };
!                                 
    struct rt_sigframe_n32 {
      u32 rs_ass[4];                  [ argument save space for o32 ]
      u32 rs_code[2];                 [ signal trampoline ]
--- 1043,1049 ----
      struct sigcontext   uc_mcontext;
      sigset_t            uc_sigmask;   [ mask last for extensibility ]
    };
! 
    struct rt_sigframe_n32 {
      u32 rs_ass[4];                  [ argument save space for o32 ]
      u32 rs_code[2];                 [ signal trampoline ]
*************** mips_linux_o32_sigframe_init (const stru
*** 1072,1078 ****
  #define N64_SIGCONTEXT_BADVADDR (67 * 8 + 5 * 4)
  
  #define N64_SIGCONTEXT_REG_SIZE 8
!   
  static void
  mips_linux_n32n64_sigframe_init (const struct tramp_frame *self,
  				 struct frame_info *next_frame,
--- 1098,1104 ----
  #define N64_SIGCONTEXT_BADVADDR (67 * 8 + 5 * 4)
  
  #define N64_SIGCONTEXT_REG_SIZE 8
! 
  static void
  mips_linux_n32n64_sigframe_init (const struct tramp_frame *self,
  				 struct frame_info *next_frame,
*************** mips_linux_n32n64_sigframe_init (const s
*** 1087,1100 ****
      sigcontext_base += N32_SIGFRAME_SIGCONTEXT_OFFSET;
    else
      sigcontext_base += N64_SIGFRAME_SIGCONTEXT_OFFSET;
!     
  #if 0
    trad_frame_set_reg_addr (this_cache, ORIG_ZERO_REGNUM + NUM_REGS,
  			   sigcontext_base + N64_SIGCONTEXT_REGS);
  #endif
  
    for (ireg = 1; ireg < 32; ireg++)
!     trad_frame_set_reg_addr (this_cache, ireg + MIPS_ZERO_REGNUM + NUM_REGS,
  			     sigcontext_base + N64_SIGCONTEXT_REGS
  			     + ireg * N64_SIGCONTEXT_REG_SIZE);
  
--- 1113,1127 ----
      sigcontext_base += N32_SIGFRAME_SIGCONTEXT_OFFSET;
    else
      sigcontext_base += N64_SIGFRAME_SIGCONTEXT_OFFSET;
! 
  #if 0
    trad_frame_set_reg_addr (this_cache, ORIG_ZERO_REGNUM + NUM_REGS,
  			   sigcontext_base + N64_SIGCONTEXT_REGS);
  #endif
  
    for (ireg = 1; ireg < 32; ireg++)
!     trad_frame_set_reg_addr (this_cache,
! 			     ireg + MIPS_ZERO_REGNUM + NUM_REGS,
  			     sigcontext_base + N64_SIGCONTEXT_REGS
  			     + ireg * N64_SIGCONTEXT_REG_SIZE);
  
*************** mips_linux_n32n64_sigframe_init (const s
*** 1106,1112 ****
    trad_frame_set_reg_addr (this_cache, regs->pc + NUM_REGS,
  			   sigcontext_base + N64_SIGCONTEXT_PC);
  
!   trad_frame_set_reg_addr (this_cache, regs->fp_control_status + NUM_REGS,
  			   sigcontext_base + N64_SIGCONTEXT_FPCSR);
    trad_frame_set_reg_addr (this_cache, regs->hi + NUM_REGS,
  			   sigcontext_base + N64_SIGCONTEXT_HI);
--- 1133,1140 ----
    trad_frame_set_reg_addr (this_cache, regs->pc + NUM_REGS,
  			   sigcontext_base + N64_SIGCONTEXT_PC);
  
!   trad_frame_set_reg_addr (this_cache,
! 			   regs->fp_control_status + NUM_REGS,
  			   sigcontext_base + N64_SIGCONTEXT_FPCSR);
    trad_frame_set_reg_addr (this_cache, regs->hi + NUM_REGS,
  			   sigcontext_base + N64_SIGCONTEXT_HI);
*************** mips_linux_n32n64_sigframe_init (const s
*** 1119,1131 ****
  
    /* Choice of the bottom of the sigframe is somewhat arbitrary.  */
    trad_frame_set_id (this_cache,
! 		     frame_id_build (func - SIGFRAME_CODE_OFFSET, func));
  }
  
  /* Initialize one of the GNU/Linux OS ABIs.  */
  
  static void
! mips_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
  {
    struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
    enum mips_abi abi = mips_abi (gdbarch);
--- 1147,1161 ----
  
    /* Choice of the bottom of the sigframe is somewhat arbitrary.  */
    trad_frame_set_id (this_cache,
! 		     frame_id_build (func - SIGFRAME_CODE_OFFSET,
! 				     func));
  }
  
  /* Initialize one of the GNU/Linux OS ABIs.  */
  
  static void
! mips_linux_init_abi (struct gdbarch_info info,
! 		     struct gdbarch *gdbarch)
  {
    struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
    enum mips_abi abi = mips_abi (gdbarch);
*************** _initialize_mips_linux_tdep (void)
*** 1179,1185 ****
         arch_info != NULL;
         arch_info = arch_info->next)
      {
!       gdbarch_register_osabi (bfd_arch_mips, arch_info->mach, GDB_OSABI_LINUX,
  			      mips_linux_init_abi);
      }
  
--- 1209,1216 ----
         arch_info != NULL;
         arch_info = arch_info->next)
      {
!       gdbarch_register_osabi (bfd_arch_mips, arch_info->mach,
! 			      GDB_OSABI_LINUX,
  			      mips_linux_init_abi);
      }
  

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