X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fgdbarch.h;h=b3a15c9898c479f6a1c44659859c398f9088f366;hb=b1aed5de0cc075ab5061453f88cedbf2d3e97ff6;hp=d2e6b6f63ecd6de28deb032f259549b20e9411a1;hpb=c2508e905f956c5a5e0d2a7fff58b4c746180237;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h index d2e6b6f63e..b3a15c9898 100644 --- a/gdb/gdbarch.h +++ b/gdb/gdbarch.h @@ -3,7 +3,7 @@ /* Dynamic architecture support for GDB, the GNU debugger. - Copyright (C) 1998-2017 Free Software Foundation, Inc. + Copyright (C) 1998-2018 Free Software Foundation, Inc. This file is part of GDB. @@ -147,12 +147,6 @@ extern void set_gdbarch_long_bit (struct gdbarch *gdbarch, int long_bit); extern int gdbarch_long_long_bit (struct gdbarch *gdbarch); extern void set_gdbarch_long_long_bit (struct gdbarch *gdbarch, int long_long_bit); -/* Alignment of a long long or unsigned long long for the target - machine. */ - -extern int gdbarch_long_long_align_bit (struct gdbarch *gdbarch); -extern void set_gdbarch_long_long_align_bit (struct gdbarch *gdbarch, int long_long_align_bit); - /* The ABI default bit-size and format for "half", "float", "double", and "long double". These bit/format pairs should eventually be combined into a single object. For the moment, just initialize them as a pair. @@ -245,8 +239,8 @@ extern void set_gdbarch_char_signed (struct gdbarch *gdbarch, int char_signed); extern int gdbarch_read_pc_p (struct gdbarch *gdbarch); -typedef CORE_ADDR (gdbarch_read_pc_ftype) (struct regcache *regcache); -extern CORE_ADDR gdbarch_read_pc (struct gdbarch *gdbarch, struct regcache *regcache); +typedef CORE_ADDR (gdbarch_read_pc_ftype) (readable_regcache *regcache); +extern CORE_ADDR gdbarch_read_pc (struct gdbarch *gdbarch, readable_regcache *regcache); extern void set_gdbarch_read_pc (struct gdbarch *gdbarch, gdbarch_read_pc_ftype *read_pc); extern int gdbarch_write_pc_p (struct gdbarch *gdbarch); @@ -265,8 +259,8 @@ extern void set_gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, gdbarch_ extern int gdbarch_pseudo_register_read_p (struct gdbarch *gdbarch); -typedef enum register_status (gdbarch_pseudo_register_read_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf); -extern enum register_status gdbarch_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf); +typedef enum register_status (gdbarch_pseudo_register_read_ftype) (struct gdbarch *gdbarch, readable_regcache *regcache, int cookednum, gdb_byte *buf); +extern enum register_status gdbarch_pseudo_register_read (struct gdbarch *gdbarch, readable_regcache *regcache, int cookednum, gdb_byte *buf); extern void set_gdbarch_pseudo_register_read (struct gdbarch *gdbarch, gdbarch_pseudo_register_read_ftype *pseudo_register_read); /* Read a register into a new struct value. If the register is wholly @@ -276,8 +270,8 @@ extern void set_gdbarch_pseudo_register_read (struct gdbarch *gdbarch, gdbarch_p extern int gdbarch_pseudo_register_read_value_p (struct gdbarch *gdbarch); -typedef struct value * (gdbarch_pseudo_register_read_value_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum); -extern struct value * gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum); +typedef struct value * (gdbarch_pseudo_register_read_value_ftype) (struct gdbarch *gdbarch, readable_regcache *regcache, int cookednum); +extern struct value * gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, readable_regcache *regcache, int cookednum); extern void set_gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, gdbarch_pseudo_register_read_value_ftype *pseudo_register_read_value); extern int gdbarch_pseudo_register_write_p (struct gdbarch *gdbarch); @@ -677,6 +671,14 @@ typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype) (struct gdbarch *gdbarch, COR extern CORE_ADDR gdbarch_addr_bits_remove (struct gdbarch *gdbarch, CORE_ADDR addr); extern void set_gdbarch_addr_bits_remove (struct gdbarch *gdbarch, gdbarch_addr_bits_remove_ftype *addr_bits_remove); +/* On some machines, not all bits of an address word are significant. + For example, on AArch64, the top bits of an address known as the "tag" + are ignored by the kernel, the hardware, etc. and can be regarded as + additional data associated with the address. */ + +extern int gdbarch_significant_addr_bit (struct gdbarch *gdbarch); +extern void set_gdbarch_significant_addr_bit (struct gdbarch *gdbarch, int significant_addr_bit); + /* FIXME/cagney/2001-01-18: This should be split in two. A target method that indicates if the target needs software single step. An ISA method to implement it. @@ -733,6 +735,12 @@ typedef int (gdbarch_in_solib_return_trampoline_ftype) (struct gdbarch *gdbarch, extern int gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, CORE_ADDR pc, const char *name); extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, gdbarch_in_solib_return_trampoline_ftype *in_solib_return_trampoline); +/* Return true if PC lies inside an indirect branch thunk. */ + +typedef bool (gdbarch_in_indirect_branch_thunk_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc); +extern bool gdbarch_in_indirect_branch_thunk (struct gdbarch *gdbarch, CORE_ADDR pc); +extern void set_gdbarch_in_indirect_branch_thunk (struct gdbarch *gdbarch, gdbarch_in_indirect_branch_thunk_ftype *in_indirect_branch_thunk); + /* A target might have problems with watchpoints as soon as the stack frame of the current function has been destroyed. This mostly happens as the first action in a function's epilogue. stack_frame_destroyed_p() @@ -1358,8 +1366,8 @@ extern void set_gdbarch_has_shared_address_space (struct gdbarch *gdbarch, gdbar /* True if a fast tracepoint can be set at an address. */ -typedef int (gdbarch_fast_tracepoint_valid_at_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr, char **msg); -extern int gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, CORE_ADDR addr, char **msg); +typedef int (gdbarch_fast_tracepoint_valid_at_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr, std::string *msg); +extern int gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, CORE_ADDR addr, std::string *msg); extern void set_gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, gdbarch_fast_tracepoint_valid_at_ftype *fast_tracepoint_valid_at); /* Guess register state based on tracepoint location. Used for tracepoints @@ -1546,6 +1554,12 @@ extern void set_gdbarch_disassembler_options (struct gdbarch *gdbarch, char ** d extern const disasm_options_t * gdbarch_valid_disassembler_options (struct gdbarch *gdbarch); extern void set_gdbarch_valid_disassembler_options (struct gdbarch *gdbarch, const disasm_options_t * valid_disassembler_options); +/* Type alignment. */ + +typedef ULONGEST (gdbarch_type_align_ftype) (struct gdbarch *gdbarch, struct type *type); +extern ULONGEST gdbarch_type_align (struct gdbarch *gdbarch, struct type *type); +extern void set_gdbarch_type_align (struct gdbarch *gdbarch, gdbarch_type_align_ftype *type_align); + /* Definition for an unknown syscall, used basically in error-cases. */ #define UNKNOWN_SYSCALL (-1)