X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=gdb%2Flinux-tdep.h;h=bb907f2c8f3547b8a4402e0941bea49f77a1ed23;hb=0d02e70b197c786f26175b9a73f94e01d14abdab;hp=380507e96749d79ca12a015470fead9f5b93d964;hpb=28e7fd62340426746f9c896cbc40c5d374ec47aa;p=binutils-gdb.git

diff --git a/gdb/linux-tdep.h b/gdb/linux-tdep.h
index 380507e9674..bb907f2c8f3 100644
--- a/gdb/linux-tdep.h
+++ b/gdb/linux-tdep.h
@@ -1,6 +1,6 @@
 /* Target-dependent code for GNU/Linux, architecture independent.
 
-   Copyright (C) 2009-2013 Free Software Foundation, Inc.
+   Copyright (C) 2009-2022 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -21,19 +21,86 @@
 #define LINUX_TDEP_H
 
 #include "bfd.h"
+#include "displaced-stepping.h"
 
+struct inferior;
 struct regcache;
 
+/* Enum used to define the extra fields of the siginfo type used by an
+   architecture.  */
+enum linux_siginfo_extra_field_values
+{
+  /* Add bound fields into the segmentation fault field.  */
+  LINUX_SIGINFO_FIELD_ADDR_BND = 1
+};
+
+/* Defines a type for the values defined in linux_siginfo_extra_field_values.  */
+DEF_ENUM_FLAGS_TYPE (enum linux_siginfo_extra_field_values,
+		     linux_siginfo_extra_fields);
+
+/* This function is suitable for architectures that
+   extend/override the standard siginfo in a specific way.  */
+struct type *linux_get_siginfo_type_with_fields (struct gdbarch *gdbarch,
+						 linux_siginfo_extra_fields);
+
+/* Return true if ADDRESS is within the boundaries of a page mapped with
+   memory tagging protection.  */
+bool linux_address_in_memtag_page (CORE_ADDR address);
+
 typedef char *(*linux_collect_thread_registers_ftype) (const struct regcache *,
 						       ptid_t,
 						       bfd *, char *, int *,
 						       enum gdb_signal);
 
-char *linux_make_corefile_notes (struct gdbarch *, bfd *, int *,
-                                 linux_collect_thread_registers_ftype);
+extern enum gdb_signal linux_gdb_signal_from_target (struct gdbarch *gdbarch,
+						     int signal);
+
+extern int linux_gdb_signal_to_target (struct gdbarch *gdbarch,
+				       enum gdb_signal signal);
+
+/* Default GNU/Linux implementation of `displaced_step_location', as
+   defined in gdbarch.h.  Determines the entry point from AT_ENTRY in
+   the target auxiliary vector.  */
+extern CORE_ADDR linux_displaced_step_location (struct gdbarch *gdbarch);
+
+
+/* Implementation of gdbarch_displaced_step_prepare.  */
+
+extern displaced_step_prepare_status linux_displaced_step_prepare
+  (gdbarch *arch, thread_info *thread, CORE_ADDR &displaced_pc);
+
+/* Implementation of gdbarch_displaced_step_finish.  */
+
+extern displaced_step_finish_status linux_displaced_step_finish
+  (gdbarch *arch, thread_info *thread, gdb_signal sig);
+
+/* Implementation of gdbarch_displaced_step_copy_insn_closure_by_addr.  */
+
+extern const displaced_step_copy_insn_closure *
+  linux_displaced_step_copy_insn_closure_by_addr
+    (inferior *inf, CORE_ADDR addr);
+
+/* Implementation of gdbarch_displaced_step_restore_all_in_ptid.  */
+
+extern void linux_displaced_step_restore_all_in_ptid (inferior *parent_inf,
+						      ptid_t ptid);
+
+extern void linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch,
+			    int num_disp_step_buffers);
+
+extern int linux_is_uclinux (void);
+
+/* Fetch the AT_HWCAP entry from the auxv vector for the given TARGET.  On
+   error, 0 is returned.  */
+extern CORE_ADDR linux_get_hwcap (struct target_ops *target);
 
-struct type *linux_get_siginfo_type (struct gdbarch *);
+/* Fetch the AT_HWCAP2 entry from the auxv vector for the given TARGET.  On
+   error, 0 is returned.  */
+extern CORE_ADDR linux_get_hwcap2 (struct target_ops *target);
 
-extern void linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch);
+/* Fetch (and possibly build) an appropriate `struct link_map_offsets'
+   for ILP32 and LP64 Linux systems.  */
+extern struct link_map_offsets *linux_ilp32_fetch_link_map_offsets ();
+extern struct link_map_offsets *linux_lp64_fetch_link_map_offsets ();
 
 #endif /* linux-tdep.h */