X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=include%2Fplugin-api.h;h=e317d784785b409dff3ffb5c3193cb315e67b465;hb=37ab86550b9da31d6c32c2d3384bd27f0426e935;hp=f081f85dfaf9da05bb7db7a648f543dd7761eeec;hpb=c4e648430f3c5c135310f87280d45dba581aaa7b;p=deliverable%2Fbinutils-gdb.git

diff --git a/include/plugin-api.h b/include/plugin-api.h
index f081f85dfa..e317d78478 100644
--- a/include/plugin-api.h
+++ b/include/plugin-api.h
@@ -1,6 +1,6 @@
 /* plugin-api.h -- External linker plugin API.  */
 
-/* Copyright (C) 2009-2017 Free Software Foundation, Inc.
+/* Copyright (C) 2009-2020 Free Software Foundation, Inc.
    Written by Cary Coutant <ccoutant@google.com>.
 
    This file is part of binutils.
@@ -34,7 +34,61 @@
 #include <sys/types.h>
 #if !defined(HAVE_STDINT_H) && !defined(HAVE_INTTYPES_H) && \
     !defined(UINT64_MAX) && !defined(uint64_t)
-#error can not find uint64_t type
+#error cannot find uint64_t type
+#endif
+
+/* Detect endianess based on __BYTE_ORDER__ macro.  */
+#if defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && \
+    defined(__ORDER_LITTLE_ENDIAN__) && defined(__ORDER_PDP_ENDIAN__)
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+#define PLUGIN_LITTLE_ENDIAN 1
+#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+#define PLUGIN_BIG_ENDIAN 1
+#elif __BYTE_ORDER__ == __ORDER_PDP_ENDIAN__
+#define PLUGIN_PDP_ENDIAN 1
+#endif
+#else
+/* Older GCC releases (<4.6.0) can make detection from glibc macros.  */
+#if defined(__GLIBC__) || defined(__GNU_LIBRARY__) || defined(__ANDROID__)
+#include <endian.h>
+#ifdef __BYTE_ORDER
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+#define PLUGIN_LITTLE_ENDIAN 1
+#elif __BYTE_ORDER == __BIG_ENDIAN
+#define PLUGIN_BIG_ENDIAN 1
+#endif
+#endif
+#endif
+/* Include all necessary header files based on target.  */
+#if defined(__SVR4) && defined(__sun)
+#include <sys/byteorder.h>
+#endif
+#if defined(__FreeBSD__) || defined(__NetBSD__) || \
+    defined(__DragonFly__) || defined(__minix)
+#include <sys/endian.h>
+#endif
+#if defined(__OpenBSD__)
+#include <machine/endian.h>
+#endif
+/* Detect endianess based on _BYTE_ORDER.  */
+#ifdef _BYTE_ORDER
+#if _BYTE_ORDER == _LITTLE_ENDIAN
+#define PLUGIN_LITTLE_ENDIAN 1
+#elif _BYTE_ORDER == _BIG_ENDIAN
+#define PLUGIN_BIG_ENDIAN 1
+#endif
+#endif
+/* Detect based on _WIN32.  */
+#if defined(_WIN32)
+#define PLUGIN_LITTLE_ENDIAN 1
+#endif
+/* Detect based on __BIG_ENDIAN__ and __LITTLE_ENDIAN__ */
+#ifdef __LITTLE_ENDIAN__
+#define PLUGIN_LITTLE_ENDIAN 1
+#endif
+#ifdef __BIG_ENDIAN__
+#define PLUGIN_BIG_ENDIAN 1
+#endif
 #endif
 
 #ifdef __cplusplus
@@ -87,7 +141,26 @@ struct ld_plugin_symbol
 {
   char *name;
   char *version;
-  int def;
+  /* This is for compatibility with older ABIs.  The older ABI defined
+     only 'def' field.  */
+#if PLUGIN_BIG_ENDIAN == 1
+  char unused;
+  char section_kind;
+  char symbol_type;
+  char def;
+#elif PLUGIN_LITTLE_ENDIAN == 1
+  char def;
+  char symbol_type;
+  char section_kind;
+  char unused;
+#elif PLUGIN_PDP_ENDIAN == 1
+  char symbol_type;
+  char def;
+  char unused;
+  char section_kind;
+#else
+#error "Could not detect architecture endianess"
+#endif
   int visibility;
   uint64_t size;
   char *comdat_key;
@@ -123,6 +196,21 @@ enum ld_plugin_symbol_visibility
   LDPV_HIDDEN
 };
 
+/* The type of the symbol.  */
+
+enum ld_plugin_symbol_type
+{
+  LDST_UNKNOWN,
+  LDST_FUNCTION,
+  LDST_VARIABLE
+};
+
+enum ld_plugin_symbol_section_kind
+{
+  LDSSK_DEFAULT,
+  LDSSK_BSS
+};
+
 /* How a symbol is resolved.  */
 
 enum ld_plugin_symbol_resolution
@@ -378,6 +466,14 @@ typedef
 enum ld_plugin_status
 (*ld_plugin_register_new_input) (ld_plugin_new_input_handler handler);
 
+/* The linker's interface for getting the list of wrapped symbols using the
+   --wrap option. This sets *NUM_SYMBOLS to number of wrapped symbols and
+   *WRAP_SYMBOL_LIST to the list of wrapped symbols. */
+
+typedef
+enum ld_plugin_status
+(*ld_plugin_get_wrap_symbols) (uint64_t *num_symbols,
+                               const char ***wrap_symbol_list);
 
 enum ld_plugin_level
 {
@@ -422,7 +518,9 @@ enum ld_plugin_tag
   LDPT_GET_SYMBOLS_V3 = 28,
   LDPT_GET_INPUT_SECTION_ALIGNMENT = 29,
   LDPT_GET_INPUT_SECTION_SIZE = 30,
-  LDPT_REGISTER_NEW_INPUT_HOOK = 31
+  LDPT_REGISTER_NEW_INPUT_HOOK = 31,
+  LDPT_GET_WRAP_SYMBOLS = 32,
+  LDPT_ADD_SYMBOLS_V2 = 33
 };
 
 /* The plugin transfer vector.  */
@@ -457,6 +555,7 @@ struct ld_plugin_tv
     ld_plugin_get_input_section_alignment tv_get_input_section_alignment;
     ld_plugin_get_input_section_size tv_get_input_section_size;
     ld_plugin_register_new_input tv_register_new_input;
+    ld_plugin_get_wrap_symbols tv_get_wrap_symbols;
   } tv_u;
 };