Support the fs_base and gs_base registers on i386.

[deliverable/binutils-gdb.git] / gdb / i386-tdep.h

diff --git a/gdb/i386-tdep.h b/gdb/i386-tdep.h
index 2532306e5c8692ec73f6c74de918ce9efa3887fc..c0d494824cccc27d6d20280f9b8799c21a34afd9 100644 (file)
--- a/gdb/i386-tdep.h
+++ b/gdb/i386-tdep.h
@@ -200,6 +200,10 @@ struct gdbarch_tdep
   /* PKEYS register names.  */
   const char **pkeys_register_names;
 
+  /* Register number for %fsbase.  Set this to -1 to indicate the
+     absence of segment base registers.  */
+  int fsbase_regnum;
+
   /* Target description.  */
   const struct target_desc *tdesc;
 
@@ -296,7 +300,9 @@ enum i386_regnum
   I386_K7_REGNUM = I386_K0_REGNUM + 7,
   I386_ZMM0H_REGNUM,           /* %zmm0h */
   I386_ZMM7H_REGNUM = I386_ZMM0H_REGNUM + 7,
-  I386_PKRU_REGNUM
+  I386_PKRU_REGNUM,
+  I386_FSBASE_REGNUM,
+  I386_GSBASE_REGNUM
 };
 
 /* Register numbers of RECORD_REGMAP.  */
@@ -337,6 +343,7 @@ enum record_i386_regnum
 #define I386_MPX_NUM_REGS      (I386_BNDSTATUS_REGNUM + 1)
 #define I386_AVX512_NUM_REGS   (I386_ZMM7H_REGNUM + 1)
 #define I386_PKEYS_NUM_REGS    (I386_PKRU_REGNUM + 1)
+#define I386_NUM_REGS          (I386_GSBASE_REGNUM + 1)
 
 /* Size of the largest register.  */
 #define I386_MAX_REGISTER_SIZE 64
@@ -440,7 +447,8 @@ 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);
-extern const struct target_desc *i386_target_description (uint64_t xcr0);
+extern const struct target_desc *i386_target_description (uint64_t xcr0,
+                                                         bool segments);
 
 /* Return true iff the current target is MPX enabled.  */
 extern int i386_mpx_enabled (void);