/* Common target dependent code for GDB on AArch64 systems.
- Copyright (C) 2009-2013 Free Software Foundation, Inc.
+ Copyright (C) 2009-2019 Free Software Foundation, Inc.
Contributed by ARM Ltd.
This file is part of GDB.
#ifndef AARCH64_TDEP_H
#define AARCH64_TDEP_H
+#include "arch/aarch64.h"
+
/* Forward declarations. */
struct gdbarch;
struct regset;
/* AArch64 Dwarf register numbering. */
#define AARCH64_DWARF_X0 0
#define AARCH64_DWARF_SP 31
+#define AARCH64_DWARF_PAUTH_RA_STATE 34
+#define AARCH64_DWARF_PAUTH_DMASK 35
+#define AARCH64_DWARF_PAUTH_CMASK 36
#define AARCH64_DWARF_V0 64
-
-/* Register numbers of various important registers. */
-enum aarch64_regnum
-{
- AARCH64_X0_REGNUM, /* First integer register */
-
- /* Frame register in AArch64 code, if used. */
- AARCH64_FP_REGNUM = AARCH64_X0_REGNUM + 29,
- AARCH64_LR_REGNUM = AARCH64_X0_REGNUM + 30, /* Return address */
- AARCH64_SP_REGNUM, /* Stack pointer */
- AARCH64_PC_REGNUM, /* Program counter */
- AARCH64_CPSR_REGNUM, /* Contains status register */
- AARCH64_V0_REGNUM, /* First floating point / vector register */
-
- /* Last floating point / vector register */
- AARCH64_V31_REGNUM = AARCH64_V0_REGNUM + 31,
- AARCH64_FPSR_REGNUM, /* Floating point status register */
- AARCH64_FPCR_REGNUM, /* Floating point control register */
-
- /* Other useful registers. */
-
- /* Last integer-like argument */
- AARCH64_LAST_X_ARG_REGNUM = AARCH64_X0_REGNUM + 7,
- AARCH64_STRUCT_RETURN_REGNUM = AARCH64_X0_REGNUM + 8,
- AARCH64_LAST_V_ARG_REGNUM = AARCH64_V0_REGNUM + 7
-};
+#define AARCH64_DWARF_SVE_VG 46
+#define AARCH64_DWARF_SVE_FFR 47
+#define AARCH64_DWARF_SVE_P0 48
+#define AARCH64_DWARF_SVE_Z0 96
/* Size of integer registers. */
#define X_REGISTER_SIZE 8
/* Total number of general (X) registers. */
#define AARCH64_X_REGISTER_COUNT 32
+/* Total number of D registers. */
+#define AARCH64_D_REGISTER_COUNT 32
+
+/* The maximum number of modified instructions generated for one
+ single-stepped instruction. */
+#define AARCH64_DISPLACED_MODIFIED_INSNS 1
/* Target-dependent structure in gdbarch. */
struct gdbarch_tdep
struct type *vns_type;
struct type *vnh_type;
struct type *vnb_type;
+ struct type *vnv_type;
+
+ /* syscall record. */
+ int (*aarch64_syscall_record) (struct regcache *regcache, unsigned long svc_number);
+
+ /* The VQ value for SVE targets, or zero if SVE is not supported. */
+ uint64_t vq;
+
+ /* Returns true if the target supports SVE. */
+ bool has_sve () const
+ {
+ return vq != 0;
+ }
+
+ int pauth_reg_base;
+ int pauth_ra_state_regnum;
+
+ /* Returns true if the target supports pauth. */
+ bool has_pauth () const
+ {
+ return pauth_reg_base != -1;
+ }
};
+const target_desc *aarch64_read_description (uint64_t vq, bool pauth_p);
+
+extern int aarch64_process_record (struct gdbarch *gdbarch,
+ struct regcache *regcache, CORE_ADDR addr);
+
+struct displaced_step_closure *
+ aarch64_displaced_step_copy_insn (struct gdbarch *gdbarch,
+ CORE_ADDR from, CORE_ADDR to,
+ struct regcache *regs);
+
+void aarch64_displaced_step_fixup (struct gdbarch *gdbarch,
+ struct displaced_step_closure *dsc,
+ CORE_ADDR from, CORE_ADDR to,
+ struct regcache *regs);
+
+int aarch64_displaced_step_hw_singlestep (struct gdbarch *gdbarch,
+ struct displaced_step_closure *closure);
+
#endif /* aarch64-tdep.h */