i386: Also check R12-R15 registers when optimizing testq to testb

[deliverable/binutils-gdb.git] / gdb / disasm.h

diff --git a/gdb/disasm.h b/gdb/disasm.h
index c6cb13ba6a4ea15cd6fe2ffd4a0281bcb00ada6f..5c1b30b85310e825eef0ce52c6ca7d98a7e31b25 100644 (file)
--- a/gdb/disasm.h
+++ b/gdb/disasm.h
@@ -1,5 +1,5 @@
 /* Disassemble support for GDB.
-   Copyright (C) 2002-2017 Free Software Foundation, Inc.
+   Copyright (C) 2002-2019 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -20,14 +20,19 @@
 #define DISASM_H
 
 #include "dis-asm.h"
-
-#define DISASSEMBLY_SOURCE_DEPRECATED (0x1 << 0)
-#define DISASSEMBLY_RAW_INSN   (0x1 << 1)
-#define DISASSEMBLY_OMIT_FNAME (0x1 << 2)
-#define DISASSEMBLY_FILENAME   (0x1 << 3)
-#define DISASSEMBLY_OMIT_PC    (0x1 << 4)
-#define DISASSEMBLY_SOURCE     (0x1 << 5)
-#define DISASSEMBLY_SPECULATIVE        (0x1 << 6)
+#include "gdbsupport/enum-flags.h"
+
+enum gdb_disassembly_flag
+  {
+    DISASSEMBLY_SOURCE_DEPRECATED = (0x1 << 0),
+    DISASSEMBLY_RAW_INSN = (0x1 << 1),
+    DISASSEMBLY_OMIT_FNAME = (0x1 << 2),
+    DISASSEMBLY_FILENAME = (0x1 << 3),
+    DISASSEMBLY_OMIT_PC = (0x1 << 4),
+    DISASSEMBLY_SOURCE = (0x1 << 5),
+    DISASSEMBLY_SPECULATIVE = (0x1 << 6),
+  };
+DEF_ENUM_FLAGS_TYPE (enum gdb_disassembly_flag, gdb_disassembly_flags);
 
 struct gdbarch;
 struct ui_out;
@@ -44,11 +49,6 @@ public:
 
   int print_insn (CORE_ADDR memaddr, int *branch_delay_insns = NULL);
 
-  /* Prints the instruction INSN into UIOUT and returns the length of
-     the printed instruction in bytes.  */
-  int pretty_print_insn (struct ui_out *uiout,
-                        const struct disasm_insn *insn, int flags);
-
   /* Return the gdbarch of gdb_disassembler.  */
   struct gdbarch *arch ()
   { return m_gdbarch; }
@@ -67,6 +67,12 @@ private:
      opcodes.  */
   struct disassemble_info m_di;
 
+  /* If we own the string in `m_di.disassembler_options', we do so
+     using this field.  */
+  std::string m_disassembler_options_holder;
+
+  CORE_ADDR m_err_memaddr;
+
   static int dis_asm_read_memory (bfd_vma memaddr, gdb_byte *myaddr,
                                  unsigned int len,
                                  struct disassemble_info *info);
@@ -91,7 +97,7 @@ struct disasm_insn
 };
 
 extern void gdb_disassembly (struct gdbarch *gdbarch, struct ui_out *uiout,
-                            char *file_string, int flags, int how_many,
+                            gdb_disassembly_flags flags, int how_many,
                             CORE_ADDR low, CORE_ADDR high);
 
 /* Print the instruction at address MEMADDR in debugged memory,
@@ -101,6 +107,41 @@ extern void gdb_disassembly (struct gdbarch *gdbarch, struct ui_out *uiout,
 extern int gdb_print_insn (struct gdbarch *gdbarch, CORE_ADDR memaddr,
                           struct ui_file *stream, int *branch_delay_insns);
 
+/* Class used to pretty-print instructions.  */
+
+class gdb_pretty_print_disassembler
+{
+public:
+  explicit gdb_pretty_print_disassembler (struct gdbarch *gdbarch,
+                                         struct ui_out *uiout)
+    : m_uiout (uiout),
+      m_insn_stb (uiout->can_emit_style_escape ()),
+      m_di (gdbarch, &m_insn_stb)
+  {}
+
+  /* Prints the instruction INSN into the saved ui_out and returns the
+     length of the printed instruction in bytes.  */
+  int pretty_print_insn (const struct disasm_insn *insn,
+                        gdb_disassembly_flags flags);
+
+private:
+  /* Returns the architecture used for disassembling.  */
+  struct gdbarch *arch () { return m_di.arch (); }
+
+  /* The ui_out that is used by pretty_print_insn.  */
+  struct ui_out *m_uiout;
+
+  /* The buffer used to build the instruction string.  The
+     disassembler is initialized with this stream.  */
+  string_file m_insn_stb;
+
+  /* The disassembler used for instruction printing.  */
+  gdb_disassembler m_di;
+
+  /* The buffer used to build the raw opcodes string.  */
+  string_file m_opcode_stb;
+};
+
 /* Return the length in bytes of the instruction at address MEMADDR in
    debugged memory.  */
 
@@ -113,4 +154,12 @@ extern int gdb_buffered_insn_length (struct gdbarch *gdbarch,
                                     const gdb_byte *insn, int max_len,
                                     CORE_ADDR memaddr);
 
+/* Returns GDBARCH's disassembler options.  */
+
+extern char *get_disassembler_options (struct gdbarch *gdbarch);
+
+/* Sets the active gdbarch's disassembler options to OPTIONS.  */
+
+extern void set_disassembler_options (char *options);
+
 #endif