/* Target-dependent code for the i386.
- Copyright (C) 2001-2020 Free Software Foundation, Inc.
+ Copyright (C) 2001-2022 Free Software Foundation, Inc.
This file is part of GDB.
#include "gdbarch.h"
#include "infrun.h"
+#include "expression.h"
struct frame_info;
struct gdbarch;
};
/* i386 architecture specific information. */
-struct gdbarch_tdep
+struct i386_gdbarch_tdep : gdbarch_tdep
{
/* General-purpose registers. */
- int *gregset_reg_offset;
- int gregset_num_regs;
- size_t sizeof_gregset;
+ int *gregset_reg_offset = 0;
+ int gregset_num_regs = 0;
+ size_t sizeof_gregset = 0;
/* Floating-point registers. */
- size_t sizeof_fpregset;
+ size_t sizeof_fpregset = 0;
/* Register number for %st(0). The register numbers for the other
registers follow from this one. Set this to -1 to indicate the
absence of an FPU. */
- int st0_regnum;
+ int st0_regnum = 0;
/* Number of MMX registers. */
- int num_mmx_regs;
+ int num_mmx_regs = 0;
/* Register number for %mm0. Set this to -1 to indicate the absence
of MMX support. */
- int mm0_regnum;
+ int mm0_regnum = 0;
/* Number of pseudo YMM registers. */
- int num_ymm_regs;
+ int num_ymm_regs = 0;
/* Register number for %ymm0. Set this to -1 to indicate the absence
of pseudo YMM register support. */
- int ymm0_regnum;
+ int ymm0_regnum = 0;
/* Number of AVX512 OpMask registers (K-registers) */
- int num_k_regs;
+ int num_k_regs = 0;
/* Register number for %k0. Set this to -1 to indicate the absence
of AVX512 OpMask register support. */
- int k0_regnum;
+ int k0_regnum = 0;
/* Number of pseudo ZMM registers ($zmm0-$zmm31). */
- int num_zmm_regs;
+ int num_zmm_regs = 0;
/* Register number for %zmm0. Set this to -1 to indicate the absence
of pseudo ZMM register support. */
- int zmm0_regnum;
+ int zmm0_regnum = 0;
/* Number of byte registers. */
- int num_byte_regs;
+ int num_byte_regs = 0;
/* Register pseudo number for %al. */
- int al_regnum;
+ int al_regnum = 0;
/* Number of pseudo word registers. */
- int num_word_regs;
+ int num_word_regs = 0;
/* Register number for %ax. */
- int ax_regnum;
+ int ax_regnum = 0;
/* Number of pseudo dword registers. */
- int num_dword_regs;
+ int num_dword_regs = 0;
/* Register number for %eax. Set this to -1 to indicate the absence
of pseudo dword register support. */
- int eax_regnum;
+ int eax_regnum = 0;
/* Number of core registers. */
- int num_core_regs;
+ int num_core_regs = 0;
/* Number of SSE registers. */
- int num_xmm_regs;
+ int num_xmm_regs = 0;
/* Number of SSE registers added in AVX512. */
- int num_xmm_avx512_regs;
+ int num_xmm_avx512_regs = 0;
/* Register number of XMM16, the first XMM register added in AVX512. */
- int xmm16_regnum;
+ int xmm16_regnum = 0;
/* Number of YMM registers added in AVX512. */
- int num_ymm_avx512_regs;
+ int num_ymm_avx512_regs = 0;
/* Register number of YMM16, the first YMM register added in AVX512. */
- int ymm16_regnum;
+ int ymm16_regnum = 0;
/* Bits of the extended control register 0 (the XFEATURE_ENABLED_MASK
register), excluding the x87 bit, which are supported by this GDB. */
- uint64_t xcr0;
+ uint64_t xcr0 = 0;
/* Offset of XCR0 in XSAVE extended state. */
- int xsave_xcr0_offset;
+ int xsave_xcr0_offset = 0;
/* Register names. */
- const char **register_names;
+ const char * const *register_names = nullptr;
/* Register number for %ymm0h. Set this to -1 to indicate the absence
of upper YMM register support. */
- int ymm0h_regnum;
+ int ymm0h_regnum = 0;
/* Upper YMM register names. Only used for tdesc_numbered_register. */
- const char **ymmh_register_names;
+ const char * const *ymmh_register_names = nullptr;
/* Register number for %ymm16h. Set this to -1 to indicate the absence
of support for YMM16-31. */
- int ymm16h_regnum;
+ int ymm16h_regnum = 0;
/* YMM16-31 register names. Only used for tdesc_numbered_register. */
- const char **ymm16h_register_names;
+ const char * const *ymm16h_register_names = nullptr;
/* Register number for %bnd0r. Set this to -1 to indicate the absence
bound registers. */
- int bnd0r_regnum;
+ int bnd0r_regnum = 0;
/* Register number for pseudo register %bnd0. Set this to -1 to indicate the absence
bound registers. */
- int bnd0_regnum;
+ int bnd0_regnum = 0;
/* Register number for %bndcfgu. Set this to -1 to indicate the absence
bound control registers. */
- int bndcfgu_regnum;
+ int bndcfgu_regnum = 0;
/* MPX register names. Only used for tdesc_numbered_register. */
- const char **mpx_register_names;
+ const char * const *mpx_register_names = nullptr;
/* Register number for %zmm0h. Set this to -1 to indicate the absence
of ZMM_HI256 register support. */
- int zmm0h_regnum;
+ int zmm0h_regnum = 0;
/* OpMask register names. */
- const char **k_register_names;
+ const char * const *k_register_names = nullptr;
/* ZMM register names. Only used for tdesc_numbered_register. */
- const char **zmmh_register_names;
+ const char * const *zmmh_register_names = nullptr;
/* XMM16-31 register names. Only used for tdesc_numbered_register. */
- const char **xmm_avx512_register_names;
+ const char * const *xmm_avx512_register_names = nullptr;
/* YMM16-31 register names. Only used for tdesc_numbered_register. */
- const char **ymm_avx512_register_names;
+ const char * const *ymm_avx512_register_names = nullptr;
/* Number of PKEYS registers. */
- int num_pkeys_regs;
+ int num_pkeys_regs = 0;
/* Register number for PKRU register. */
- int pkru_regnum;
+ int pkru_regnum = 0;
/* PKEYS register names. */
- const char **pkeys_register_names;
+ const char * const *pkeys_register_names = nullptr;
/* Register number for %fsbase. Set this to -1 to indicate the
absence of segment base registers. */
- int fsbase_regnum;
+ int fsbase_regnum = 0;
/* Target description. */
- const struct target_desc *tdesc;
+ const struct target_desc *tdesc = nullptr;
/* Register group function. */
- gdbarch_register_reggroup_p_ftype *register_reggroup_p;
+ gdbarch_register_reggroup_p_ftype *register_reggroup_p = nullptr;
/* Offset of saved PC in jmp_buf. */
- int jb_pc_offset;
+ int jb_pc_offset = 0;
/* Convention for returning structures. */
- enum struct_return struct_return;
+ enum struct_return struct_return {};
/* Address range where sigtramp lives. */
- CORE_ADDR sigtramp_start;
- CORE_ADDR sigtramp_end;
+ CORE_ADDR sigtramp_start = 0;
+ CORE_ADDR sigtramp_end = 0;
/* Detect sigtramp. */
- int (*sigtramp_p) (struct frame_info *);
+ int (*sigtramp_p) (struct frame_info *) = nullptr;
/* Get address of sigcontext for sigtramp. */
- CORE_ADDR (*sigcontext_addr) (struct frame_info *);
+ CORE_ADDR (*sigcontext_addr) (struct frame_info *) = nullptr;
/* Offset of registers in `struct sigcontext'. */
- int *sc_reg_offset;
- int sc_num_regs;
+ int *sc_reg_offset = 0;
+ int sc_num_regs = 0;
/* Offset of saved PC and SP in `struct sigcontext'. Usage of these
is deprecated, please use `sc_reg_offset' instead. */
- int sc_pc_offset;
- int sc_sp_offset;
+ int sc_pc_offset = 0;
+ int sc_sp_offset = 0;
/* ISA-specific data types. */
- struct type *i386_mmx_type;
- struct type *i386_ymm_type;
- struct type *i386_zmm_type;
- struct type *i387_ext_type;
- struct type *i386_bnd_type;
+ struct type *i386_mmx_type = nullptr;
+ struct type *i386_ymm_type = nullptr;
+ struct type *i386_zmm_type = nullptr;
+ struct type *i387_ext_type = nullptr;
+ struct type *i386_bnd_type = nullptr;
/* Process record/replay target. */
/* The map for registers because the AMD64's registers order
in GDB is not same as I386 instructions. */
- const int *record_regmap;
+ const int *record_regmap = nullptr;
/* Parse intx80 args. */
- int (*i386_intx80_record) (struct regcache *regcache);
+ int (*i386_intx80_record) (struct regcache *regcache) = nullptr;
/* Parse sysenter args. */
- int (*i386_sysenter_record) (struct regcache *regcache);
+ int (*i386_sysenter_record) (struct regcache *regcache) = nullptr;
/* Parse syscall args. */
- int (*i386_syscall_record) (struct regcache *regcache);
+ int (*i386_syscall_record) (struct regcache *regcache) = nullptr;
/* Regsets. */
- const struct regset *fpregset;
+ const struct regset *fpregset = nullptr;
};
/* Floating-point registers. */
extern CORE_ADDR i386_skip_main_prologue (struct gdbarch *gdbarch,
CORE_ADDR pc);
+/* The "push_dummy_call" gdbarch method, optionally with the thiscall
+ calling convention. */
+extern CORE_ADDR i386_thiscall_push_dummy_call (struct gdbarch *gdbarch,
+ struct value *function,
+ struct regcache *regcache,
+ CORE_ADDR bp_addr,
+ int nargs, struct value **args,
+ CORE_ADDR sp,
+ function_call_return_method
+ return_method,
+ CORE_ADDR struct_addr,
+ bool thiscall);
+
/* Return whether the THIS_FRAME corresponds to a sigtramp routine. */
extern int i386_sigtramp_p (struct frame_info *this_frame);
/* Return non-zero if REGNUM is a member of the specified group. */
extern int i386_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
- struct reggroup *group);
+ const struct reggroup *group);
/* Supply register REGNUM from the general-purpose register set REGSET
to register cache REGCACHE. If REGNUM is -1, do this for all
void *cb_data,
const struct regcache *regcache);
-typedef buf_displaced_step_closure i386_displaced_step_closure;
+typedef buf_displaced_step_copy_insn_closure
+ i386_displaced_step_copy_insn_closure;
-extern std::unique_ptr<displaced_step_closure> i386_displaced_step_copy_insn
+extern displaced_step_copy_insn_closure_up i386_displaced_step_copy_insn
(struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to,
struct regcache *regs);
-extern void i386_displaced_step_fixup (struct gdbarch *gdbarch,
- struct displaced_step_closure *closure,
- CORE_ADDR from, CORE_ADDR to,
- struct regcache *regs);
+extern void i386_displaced_step_fixup
+ (struct gdbarch *gdbarch, displaced_step_copy_insn_closure *closure,
+ CORE_ADDR from, CORE_ADDR to, regcache *regs);
/* Initialize a basic ELF architecture variant. */
extern void i386_elf_init_abi (struct gdbarch_info, struct gdbarch *);
extern int i386_svr4_reg_to_regnum (struct gdbarch *gdbarch, int reg);
extern int i386_process_record (struct gdbarch *gdbarch,
- struct regcache *regcache, CORE_ADDR addr);
+ struct regcache *regcache, CORE_ADDR addr);
extern const struct target_desc *i386_target_description (uint64_t xcr0,
bool segments);
/* Functions and variables exported from i386-bsd-tdep.c. */
extern void i386bsd_init_abi (struct gdbarch_info, struct gdbarch *);
-extern CORE_ADDR i386fbsd_sigtramp_start_addr;
-extern CORE_ADDR i386fbsd_sigtramp_end_addr;
extern CORE_ADDR i386obsd_sigtramp_start_addr;
extern CORE_ADDR i386obsd_sigtramp_end_addr;
-extern int i386fbsd4_sc_reg_offset[];
-extern int i386fbsd_sc_reg_offset[];
-extern int i386nbsd_sc_reg_offset[];
extern int i386obsd_sc_reg_offset[];
extern int i386bsd_sc_reg_offset[];
extern int i386_stap_is_single_operand (struct gdbarch *gdbarch,
const char *s);
-extern int i386_stap_parse_special_token (struct gdbarch *gdbarch,
- struct stap_parse_info *p);
+extern expr::operation_up i386_stap_parse_special_token
+ (struct gdbarch *gdbarch, struct stap_parse_info *p);
#endif /* i386-tdep.h */
projects / binutils-gdb.git / blobdiff