X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fgdbserver%2Flinux-i386-ipa.c;h=6cf4e45b48b09befe7f1cc63cca340c8547d3716;hb=476350ba4800f1144b125f6511a5e25b223cc90b;hp=1eb59a0bc4982831daf59264b606bb4b965436be;hpb=0b30217134add051e159a192066a1e568ebd837f;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/gdbserver/linux-i386-ipa.c b/gdb/gdbserver/linux-i386-ipa.c
index 1eb59a0bc4..6cf4e45b48 100644
--- a/gdb/gdbserver/linux-i386-ipa.c
+++ b/gdb/gdbserver/linux-i386-ipa.c
@@ -1,7 +1,7 @@
 /* GNU/Linux/x86 specific low level interface, for the in-process
    agent library for GDB.
 
-   Copyright (C) 2010-2012 Free Software Foundation, Inc.
+   Copyright (C) 2010-2016 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -19,8 +19,9 @@
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "server.h"
-#include <stdint.h>
 #include <sys/mman.h>
+#include "tracepoint.h"
+#include "linux-x86-tdesc.h"
 
 /* GDB register numbers.  */
 
@@ -47,9 +48,6 @@ enum i386_gdb_regnum
 
 #define i386_num_regs 16
 
-/* Defined in auto-generated file i386-linux.c.  */
-void init_registers_i386_linux (void);
-
 #define FT_CR_EAX 15
 #define FT_CR_ECX 14
 #define FT_CR_EDX 13
@@ -97,8 +95,8 @@ supply_fast_tracepoint_registers (struct regcache *regcache,
     }
 }
 
-ULONGEST __attribute__ ((visibility("default"), used))
-gdb_agent_get_raw_reg (unsigned char *raw_regs, int regnum)
+ULONGEST
+get_raw_reg (const unsigned char *raw_regs, int regnum)
 {
   /* This should maybe be allowed to return an error code, or perhaps
      better, have the emit_reg detect this, and emit a constant zero,
@@ -246,9 +244,55 @@ initialize_fast_tracepoint_trampoline_buffer (void)
     }
 }
 
+/* Return target_desc to use for IPA, given the tdesc index passed by
+   gdbserver.  */
+
+const struct target_desc *
+get_ipa_tdesc (int idx)
+{
+  switch (idx)
+    {
+    case X86_TDESC_MMX:
+      return tdesc_i386_mmx_linux;
+    case X86_TDESC_SSE:
+      return tdesc_i386_linux;
+    case X86_TDESC_AVX:
+      return tdesc_i386_avx_linux;
+    case X86_TDESC_MPX:
+      return tdesc_i386_mpx_linux;
+    case X86_TDESC_AVX_MPX:
+      return tdesc_i386_avx_mpx_linux;
+    case X86_TDESC_AVX512:
+      return tdesc_i386_avx512_linux;
+    default:
+      internal_error (__FILE__, __LINE__,
+		      "unknown ipa tdesc index: %d", idx);
+      return tdesc_i386_linux;
+    }
+}
+
+/* Allocate buffer for the jump pads.  On i386, we can reach an arbitrary
+   address with a jump instruction, so just allocate normally.  */
+
+void *
+alloc_jump_pad_buffer (size_t size)
+{
+  void *res = mmap (NULL, size, PROT_READ | PROT_WRITE | PROT_EXEC,
+		    MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+
+  if (res == MAP_FAILED)
+    return NULL;
+
+  return res;
+}
+
 void
 initialize_low_tracepoint (void)
 {
+  init_registers_i386_mmx_linux ();
   init_registers_i386_linux ();
+  init_registers_i386_avx_linux ();
+  init_registers_i386_mpx_linux ();
+  init_registers_i386_avx512_linux ();
   initialize_fast_tracepoint_trampoline_buffer ();
 }