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-rw-r--r--sysdeps/sparc/dl-lookupcfg.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/sysdeps/sparc/dl-lookupcfg.h b/sysdeps/sparc/dl-lookupcfg.h
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+/* Configuration of lookup functions.  SPARC64 version.
+   Copyright (C) 2023 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+/* The type of the return value of fixup/profile_fixup.  */
+#define DL_FIXUP_VALUE_TYPE ElfW(Addr)
+/* Construct a value of type DL_FIXUP_VALUE_TYPE from a code address
+   and a link map.  */
+#define DL_FIXUP_MAKE_VALUE(map, addr) (addr)
+/* Extract the code address from a value of type DL_FIXUP_MAKE_VALUE.
+ */
+#define DL_FIXUP_VALUE_CODE_ADDR(value) (value)
+#define DL_FIXUP_VALUE_ADDR(value) (value)
+#define DL_FIXUP_ADDR_VALUE(addr) (addr)
+#define DL_FIXUP_BINDNOW_ADDR_VALUE(addr) (addr)
+/* For bindnow, _dl_audit_symbind will be responsible to setup the final value
+   while for lazy binding _dl_fixup/_dl_profile_fixup will call the audit
+   callbacks and tail cail elf_machine_fixup_plt.  */
+#ifdef __arch64__
+# define DL_SPARC_FIXUP(l, r, value, new_value)                              \
+  sparc64_fixup_plt (l, r, value, new_value, (r)->r_addend, 0)
+#else
+# define DL_SPARC_FIXUP(l, r, value, new_value)                              \
+  sparc_fixup_plt (r, value, new_value, 0, 1)
+#endif
+#define DL_FIXUP_BINDNOW_RELOC(l, reloc, value, new_value, st_value, lazy)   \
+  ({                                                                         \
+     if (lazy)                                                               \
+       (*value) = st_value;                                                  \
+     else                                                                    \
+       {                                                                     \
+         const PLTREL *__r = (reloc);                                        \
+         DL_SPARC_FIXUP (l, __r, value, new_value);                          \
+       }                                                                     \
+  })