/* This file was created with the aid of ``gdbarch.sh''.
- The bourn shell script ``gdbarch.sh'' creates the files
+ The Bourne shell script ``gdbarch.sh'' creates the files
``new-gdbarch.c'' and ``new-gdbarch.h and then compares them
against the existing ``gdbarch.[hc]''. Any differences found
being reported.
If editing this file, please also run gdbarch.sh and merge any
- changes into that script. Conversely, when makeing sweeping changes
+ changes into that script. Conversely, when making sweeping changes
to this file, modifying gdbarch.sh and using its output may prove
easier. */
#endif
-/* The following are initialized by the target dependant code. */
+/* The following are initialized by the target dependent code. */
-/* Default (value) for non- multi-arch platforms. */
-#if (!GDB_MULTI_ARCH) && !defined (TARGET_BFD_VMA_BIT)
-#define TARGET_BFD_VMA_BIT (TARGET_ARCHITECTURE->bits_per_address)
-#endif
-
-extern int gdbarch_bfd_vma_bit (struct gdbarch *gdbarch);
-extern void set_gdbarch_bfd_vma_bit (struct gdbarch *gdbarch, int bfd_vma_bit);
-#if GDB_MULTI_ARCH
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_BFD_VMA_BIT)
-#define TARGET_BFD_VMA_BIT (gdbarch_bfd_vma_bit (current_gdbarch))
-#endif
-#endif
+/* Number of bits in a char or unsigned char for the target machine.
+ Just like CHAR_BIT in <limits.h> but describes the target machine.
+ v::TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
+
+ Number of bits in a short or unsigned short for the target machine. */
-extern int gdbarch_ptr_bit (struct gdbarch *gdbarch);
-extern void set_gdbarch_ptr_bit (struct gdbarch *gdbarch, int ptr_bit);
-#if GDB_MULTI_ARCH
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_PTR_BIT)
-#define TARGET_PTR_BIT (gdbarch_ptr_bit (current_gdbarch))
-#endif
+/* Default (value) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_SHORT_BIT)
+#define TARGET_SHORT_BIT (2*TARGET_CHAR_BIT)
#endif
-/*v:1:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):0 */
-
extern int gdbarch_short_bit (struct gdbarch *gdbarch);
extern void set_gdbarch_short_bit (struct gdbarch *gdbarch, int short_bit);
#if GDB_MULTI_ARCH
#endif
#endif
+/* Number of bits in an int or unsigned int for the target machine. */
+
+/* Default (value) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_INT_BIT)
+#define TARGET_INT_BIT (4*TARGET_CHAR_BIT)
+#endif
+
extern int gdbarch_int_bit (struct gdbarch *gdbarch);
extern void set_gdbarch_int_bit (struct gdbarch *gdbarch, int int_bit);
#if GDB_MULTI_ARCH
#endif
#endif
+/* Number of bits in a long or unsigned long for the target machine. */
+
+/* Default (value) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_LONG_BIT)
+#define TARGET_LONG_BIT (4*TARGET_CHAR_BIT)
+#endif
+
extern int gdbarch_long_bit (struct gdbarch *gdbarch);
extern void set_gdbarch_long_bit (struct gdbarch *gdbarch, int long_bit);
#if GDB_MULTI_ARCH
#endif
#endif
+/* Number of bits in a long long or unsigned long long for the target
+ machine. */
+
+/* Default (value) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_LONG_LONG_BIT)
+#define TARGET_LONG_LONG_BIT (2*TARGET_LONG_BIT)
+#endif
+
extern int gdbarch_long_long_bit (struct gdbarch *gdbarch);
extern void set_gdbarch_long_long_bit (struct gdbarch *gdbarch, int long_long_bit);
#if GDB_MULTI_ARCH
#endif
#endif
+/* Number of bits in a float for the target machine. */
+
+/* Default (value) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_FLOAT_BIT)
+#define TARGET_FLOAT_BIT (4*TARGET_CHAR_BIT)
+#endif
+
extern int gdbarch_float_bit (struct gdbarch *gdbarch);
extern void set_gdbarch_float_bit (struct gdbarch *gdbarch, int float_bit);
#if GDB_MULTI_ARCH
#endif
#endif
+/* Number of bits in a double for the target machine. */
+
+/* Default (value) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_DOUBLE_BIT)
+#define TARGET_DOUBLE_BIT (8*TARGET_CHAR_BIT)
+#endif
+
extern int gdbarch_double_bit (struct gdbarch *gdbarch);
extern void set_gdbarch_double_bit (struct gdbarch *gdbarch, int double_bit);
#if GDB_MULTI_ARCH
#endif
#endif
+/* Number of bits in a long double for the target machine. */
+
+/* Default (value) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_LONG_DOUBLE_BIT)
+#define TARGET_LONG_DOUBLE_BIT (2*TARGET_DOUBLE_BIT)
+#endif
+
extern int gdbarch_long_double_bit (struct gdbarch *gdbarch);
extern void set_gdbarch_long_double_bit (struct gdbarch *gdbarch, int long_double_bit);
#if GDB_MULTI_ARCH
#endif
#endif
+/* For most targets, a pointer on the target and its representation as an
+ address in GDB have the same size and "look the same". For such a
+ target, you need only set TARGET_PTR_BIT / ptr_bit and TARGET_ADDR_BIT
+ / addr_bit will be set from it.
+
+ If TARGET_PTR_BIT and TARGET_ADDR_BIT are different, you'll probably
+ also need to set POINTER_TO_ADDRESS and ADDRESS_TO_POINTER as well.
+
+ ptr_bit is the size of a pointer on the target */
+
+/* Default (value) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_PTR_BIT)
+#define TARGET_PTR_BIT (TARGET_INT_BIT)
+#endif
+
+extern int gdbarch_ptr_bit (struct gdbarch *gdbarch);
+extern void set_gdbarch_ptr_bit (struct gdbarch *gdbarch, int ptr_bit);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_PTR_BIT)
+#define TARGET_PTR_BIT (gdbarch_ptr_bit (current_gdbarch))
+#endif
+#endif
+
+/* addr_bit is the size of a target address as represented in gdb */
+
+/* Default (value) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_ADDR_BIT)
+#define TARGET_ADDR_BIT (TARGET_PTR_BIT)
+#endif
+
+extern int gdbarch_addr_bit (struct gdbarch *gdbarch);
+extern void set_gdbarch_addr_bit (struct gdbarch *gdbarch, int addr_bit);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_ADDR_BIT)
+#define TARGET_ADDR_BIT (gdbarch_addr_bit (current_gdbarch))
+#endif
+#endif
+
+/* Number of bits in a BFD_VMA for the target object file format. */
+
+/* Default (value) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_BFD_VMA_BIT)
+#define TARGET_BFD_VMA_BIT (TARGET_ARCHITECTURE->bits_per_address)
+#endif
+
+extern int gdbarch_bfd_vma_bit (struct gdbarch *gdbarch);
+extern void set_gdbarch_bfd_vma_bit (struct gdbarch *gdbarch, int bfd_vma_bit);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (TARGET_BFD_VMA_BIT)
+#define TARGET_BFD_VMA_BIT (gdbarch_bfd_vma_bit (current_gdbarch))
+#endif
+#endif
+
/* Default (value) for non- multi-arch platforms. */
#if (!GDB_MULTI_ARCH) && !defined (IEEE_FLOAT)
#define IEEE_FLOAT (0)
#endif
#endif
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_READ_PC)
+#define TARGET_READ_PC(pid) (generic_target_read_pc (pid))
+#endif
+
typedef CORE_ADDR (gdbarch_read_pc_ftype) (int pid);
extern CORE_ADDR gdbarch_read_pc (struct gdbarch *gdbarch, int pid);
extern void set_gdbarch_read_pc (struct gdbarch *gdbarch, gdbarch_read_pc_ftype *read_pc);
#endif
#endif
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_WRITE_PC)
+#define TARGET_WRITE_PC(val, pid) (generic_target_write_pc (val, pid))
+#endif
+
typedef void (gdbarch_write_pc_ftype) (CORE_ADDR val, int pid);
extern void gdbarch_write_pc (struct gdbarch *gdbarch, CORE_ADDR val, int pid);
extern void set_gdbarch_write_pc (struct gdbarch *gdbarch, gdbarch_write_pc_ftype *write_pc);
#endif
#endif
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_READ_FP)
+#define TARGET_READ_FP() (generic_target_read_fp ())
+#endif
+
typedef CORE_ADDR (gdbarch_read_fp_ftype) (void);
extern CORE_ADDR gdbarch_read_fp (struct gdbarch *gdbarch);
extern void set_gdbarch_read_fp (struct gdbarch *gdbarch, gdbarch_read_fp_ftype *read_fp);
#endif
#endif
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_WRITE_FP)
+#define TARGET_WRITE_FP(val) (generic_target_write_fp (val))
+#endif
+
typedef void (gdbarch_write_fp_ftype) (CORE_ADDR val);
extern void gdbarch_write_fp (struct gdbarch *gdbarch, CORE_ADDR val);
extern void set_gdbarch_write_fp (struct gdbarch *gdbarch, gdbarch_write_fp_ftype *write_fp);
#endif
#endif
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_READ_SP)
+#define TARGET_READ_SP() (generic_target_read_sp ())
+#endif
+
typedef CORE_ADDR (gdbarch_read_sp_ftype) (void);
extern CORE_ADDR gdbarch_read_sp (struct gdbarch *gdbarch);
extern void set_gdbarch_read_sp (struct gdbarch *gdbarch, gdbarch_read_sp_ftype *read_sp);
#endif
#endif
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (TARGET_WRITE_SP)
+#define TARGET_WRITE_SP(val) (generic_target_write_sp (val))
+#endif
+
typedef void (gdbarch_write_sp_ftype) (CORE_ADDR val);
extern void gdbarch_write_sp (struct gdbarch *gdbarch, CORE_ADDR val);
extern void set_gdbarch_write_sp (struct gdbarch *gdbarch, gdbarch_write_sp_ftype *write_sp);
#endif
#endif
+/* Convert stab register number (from `r' declaration) to a gdb REGNUM. */
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (STAB_REG_TO_REGNUM)
+#define STAB_REG_TO_REGNUM(stab_regnr) (no_op_reg_to_regnum (stab_regnr))
+#endif
+
+typedef int (gdbarch_stab_reg_to_regnum_ftype) (int stab_regnr);
+extern int gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, int stab_regnr);
+extern void set_gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_stab_reg_to_regnum_ftype *stab_reg_to_regnum);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (STAB_REG_TO_REGNUM)
+#define STAB_REG_TO_REGNUM(stab_regnr) (gdbarch_stab_reg_to_regnum (current_gdbarch, stab_regnr))
+#endif
+#endif
+
+/* Provide a default mapping from a ecoff register number to a gdb REGNUM. */
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (ECOFF_REG_TO_REGNUM)
+#define ECOFF_REG_TO_REGNUM(ecoff_regnr) (no_op_reg_to_regnum (ecoff_regnr))
+#endif
+
+typedef int (gdbarch_ecoff_reg_to_regnum_ftype) (int ecoff_regnr);
+extern int gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, int ecoff_regnr);
+extern void set_gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_ecoff_reg_to_regnum_ftype *ecoff_reg_to_regnum);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (ECOFF_REG_TO_REGNUM)
+#define ECOFF_REG_TO_REGNUM(ecoff_regnr) (gdbarch_ecoff_reg_to_regnum (current_gdbarch, ecoff_regnr))
+#endif
+#endif
+
+/* Provide a default mapping from a DWARF register number to a gdb REGNUM. */
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (DWARF_REG_TO_REGNUM)
+#define DWARF_REG_TO_REGNUM(dwarf_regnr) (no_op_reg_to_regnum (dwarf_regnr))
+#endif
+
+typedef int (gdbarch_dwarf_reg_to_regnum_ftype) (int dwarf_regnr);
+extern int gdbarch_dwarf_reg_to_regnum (struct gdbarch *gdbarch, int dwarf_regnr);
+extern void set_gdbarch_dwarf_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_dwarf_reg_to_regnum_ftype *dwarf_reg_to_regnum);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (DWARF_REG_TO_REGNUM)
+#define DWARF_REG_TO_REGNUM(dwarf_regnr) (gdbarch_dwarf_reg_to_regnum (current_gdbarch, dwarf_regnr))
+#endif
+#endif
+
+/* Convert from an sdb register number to an internal gdb register number.
+ This should be defined in tm.h, if REGISTER_NAMES is not set up
+ to map one to one onto the sdb register numbers. */
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (SDB_REG_TO_REGNUM)
+#define SDB_REG_TO_REGNUM(sdb_regnr) (no_op_reg_to_regnum (sdb_regnr))
+#endif
+
+typedef int (gdbarch_sdb_reg_to_regnum_ftype) (int sdb_regnr);
+extern int gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, int sdb_regnr);
+extern void set_gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_sdb_reg_to_regnum_ftype *sdb_reg_to_regnum);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (SDB_REG_TO_REGNUM)
+#define SDB_REG_TO_REGNUM(sdb_regnr) (gdbarch_sdb_reg_to_regnum (current_gdbarch, sdb_regnr))
+#endif
+#endif
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (DWARF2_REG_TO_REGNUM)
+#define DWARF2_REG_TO_REGNUM(dwarf2_regnr) (no_op_reg_to_regnum (dwarf2_regnr))
+#endif
+
+typedef int (gdbarch_dwarf2_reg_to_regnum_ftype) (int dwarf2_regnr);
+extern int gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, int dwarf2_regnr);
+extern void set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_dwarf2_reg_to_regnum_ftype *dwarf2_reg_to_regnum);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (DWARF2_REG_TO_REGNUM)
+#define DWARF2_REG_TO_REGNUM(dwarf2_regnr) (gdbarch_dwarf2_reg_to_regnum (current_gdbarch, dwarf2_regnr))
+#endif
+#endif
+
/* Default (function) for non- multi-arch platforms. */
#if (!GDB_MULTI_ARCH) && !defined (REGISTER_NAME)
#define REGISTER_NAME(regnr) (legacy_register_name (regnr))
#endif
#endif
+/* MAP a GDB RAW register number onto a simulator register number. See
+ also include/...-sim.h. */
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (REGISTER_SIM_REGNO)
+#define REGISTER_SIM_REGNO(reg_nr) (default_register_sim_regno (reg_nr))
+#endif
+
+typedef int (gdbarch_register_sim_regno_ftype) (int reg_nr);
+extern int gdbarch_register_sim_regno (struct gdbarch *gdbarch, int reg_nr);
+extern void set_gdbarch_register_sim_regno (struct gdbarch *gdbarch, gdbarch_register_sim_regno_ftype *register_sim_regno);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (REGISTER_SIM_REGNO)
+#define REGISTER_SIM_REGNO(reg_nr) (gdbarch_register_sim_regno (current_gdbarch, reg_nr))
+#endif
+#endif
+
extern int gdbarch_use_generic_dummy_frames (struct gdbarch *gdbarch);
extern void set_gdbarch_use_generic_dummy_frames (struct gdbarch *gdbarch, int use_generic_dummy_frames);
#if GDB_MULTI_ARCH
#endif
#endif
+/* Default (value) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (EXTRA_STACK_ALIGNMENT_NEEDED)
+#define EXTRA_STACK_ALIGNMENT_NEEDED (1)
+#endif
+
+extern int gdbarch_extra_stack_alignment_needed (struct gdbarch *gdbarch);
+extern void set_gdbarch_extra_stack_alignment_needed (struct gdbarch *gdbarch, int extra_stack_alignment_needed);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (EXTRA_STACK_ALIGNMENT_NEEDED)
+#define EXTRA_STACK_ALIGNMENT_NEEDED (gdbarch_extra_stack_alignment_needed (current_gdbarch))
+#endif
+#endif
+
#if defined (REG_STRUCT_HAS_ADDR)
/* Legacy for systems yet to multi-arch REG_STRUCT_HAS_ADDR */
#define REG_STRUCT_HAS_ADDR_P() (1)
#endif
#endif
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (CONVERT_FROM_FUNC_PTR_ADDR)
+#define CONVERT_FROM_FUNC_PTR_ADDR(addr) (default_convert_from_func_ptr_addr (addr))
+#endif
+
+typedef CORE_ADDR (gdbarch_convert_from_func_ptr_addr_ftype) (CORE_ADDR addr);
+extern CORE_ADDR gdbarch_convert_from_func_ptr_addr (struct gdbarch *gdbarch, CORE_ADDR addr);
+extern void set_gdbarch_convert_from_func_ptr_addr (struct gdbarch *gdbarch, gdbarch_convert_from_func_ptr_addr_ftype *convert_from_func_ptr_addr);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (CONVERT_FROM_FUNC_PTR_ADDR)
+#define CONVERT_FROM_FUNC_PTR_ADDR(addr) (gdbarch_convert_from_func_ptr_addr (current_gdbarch, addr))
+#endif
+#endif
+
extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
The mechanisms below ensures that there is only a loose connection
between the set-architecture command and the various GDB
- components. Each component can independantly register their need
+ components. Each component can independently register their need
to maintain architecture specific data with gdbarch.
Pragmatics:
The more traditional mega-struct containing architecture specific
data for all the various GDB components was also considered. Since
- GDB is built from a variable number of (fairly independant)
+ GDB is built from a variable number of (fairly independent)
components it was determined that the global aproach was not
applicable. */
that the INFO.BYTE_ORDER is non-zero.
The INIT function shall return any of: NULL - indicating that it
- doesn't reconize the selected architecture; an existing ``struct
+ doesn't recognize the selected architecture; an existing ``struct
gdbarch'' from the ARCHES list - indicating that the new
architecture is just a synonym for an earlier architecture (see
gdbarch_list_lookup_by_info()); a newly created ``struct gdbarch''
architecture manipulation commands.
The INFO parameter shall be fully initialized (``memset (&INFO,
- sizeof (info), 0)'' set relevant fields) before gdbarch_update() is
- called. gdbarch_update() shall initialize any ``default'' fields
- using information obtained from the previous architecture or
+ sizeof (info), 0)'' set relevant fields) before gdbarch_update_p()
+ is called. gdbarch_update_p() shall initialize any ``default''
+ fields using information obtained from the previous architecture or
INFO.ABFD (if specified) before calling the corresponding
- architectures INIT function. */
+ architectures INIT function.
+
+ Returns non-zero if the update succeeds */
-extern int gdbarch_update (struct gdbarch_info info);
+extern int gdbarch_update_p (struct gdbarch_info info);
-/* The target-system-dependant byte order is dynamic */
+/* The target-system-dependent byte order is dynamic */
/* TARGET_BYTE_ORDER_SELECTABLE_P determines if the target endianness
is selectable at runtime. The user can use the ``set endian''
-/* The target-system-dependant BFD architecture is dynamic */
+/* The target-system-dependent BFD architecture is dynamic */
extern int target_architecture_auto;
#ifndef TARGET_ARCHITECTURE_AUTO
#endif
-/* The target-system-dependant disassembler is semi-dynamic */
+/* The target-system-dependent disassembler is semi-dynamic */
#include "dis-asm.h" /* Get defs for disassemble_info */
#endif
-/* Set the dynamic target-system-dependant parameters (architecture,
+/* Set the dynamic target-system-dependent parameters (architecture,
byte-order, ...) using information found in the BFD */
extern void set_gdbarch_from_file (bfd *);
projects / deliverable / binutils-gdb.git / blobdiff