Fix ld --gc-section segfault with ARMv8-M entry function in absolute section

[deliverable/binutils-gdb.git] / include / longlong.h

diff --git a/include/longlong.h b/include/longlong.h
index a0b2ce1f7f2f214ea0634363bc85e612e339cb11..5cbc410fb035f7e89212c0661c41f82454469e35 100644 (file)
--- a/include/longlong.h
+++ b/include/longlong.h
@@ -1,5 +1,5 @@
 /* longlong.h -- definitions for mixed size 32/64 bit arithmetic.
-   Copyright (C) 1991-2015 Free Software Foundation, Inc.
+   Copyright (C) 1991-2016 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
@@ -1086,7 +1086,7 @@ extern UDItype __umulsidi3 (USItype, USItype);
   } while (0)
 #endif
 
-#if defined(__sh__) && !__SHMEDIA__ && W_TYPE_SIZE == 32
+#if defined(__sh__) && (!defined (__SHMEDIA__) || !__SHMEDIA__) && W_TYPE_SIZE == 32
 #ifndef __sh1__
 #define umul_ppmm(w1, w0, u, v) \
   __asm__ (                                                            \
@@ -1102,6 +1102,33 @@ extern UDItype __umulsidi3 (USItype, USItype);
 /* This is the same algorithm as __udiv_qrnnd_c.  */
 #define UDIV_NEEDS_NORMALIZATION 1
 
+#ifdef __FDPIC__
+/* FDPIC needs a special version of the asm fragment to extract the
+   code address from the function descriptor. __udiv_qrnnd_16 is
+   assumed to be local and not to use the GOT, so loading r12 is
+   not needed. */
+#define udiv_qrnnd(q, r, n1, n0, d) \
+  do {                                                                 \
+    extern UWtype __udiv_qrnnd_16 (UWtype, UWtype)                     \
+                       __attribute__ ((visibility ("hidden")));        \
+    /* r0: rn r1: qn */ /* r0: n1 r4: n0 r5: d r6: d1 */ /* r2: __m */ \
+    __asm__ (                                                          \
+       "mov%M4 %4,r5\n"                                                \
+"      swap.w  %3,r4\n"                                                \
+"      swap.w  r5,r6\n"                                                \
+"      mov.l   @%5,r2\n"                                               \
+"      jsr     @r2\n"                                                  \
+"      shll16  r6\n"                                                   \
+"      swap.w  r4,r4\n"                                                \
+"      mov.l   @%5,r2\n"                                               \
+"      jsr     @r2\n"                                                  \
+"      swap.w  r1,%0\n"                                                \
+"      or      r1,%0"                                                  \
+       : "=r" (q), "=&z" (r)                                           \
+       : "1" (n1), "r" (n0), "rm" (d), "r" (&__udiv_qrnnd_16)          \
+       : "r1", "r2", "r4", "r5", "r6", "pr", "t");                     \
+  } while (0)
+#else
 #define udiv_qrnnd(q, r, n1, n0, d) \
   do {                                                                 \
     extern UWtype __udiv_qrnnd_16 (UWtype, UWtype)                     \
@@ -1121,6 +1148,7 @@ extern UDItype __umulsidi3 (USItype, USItype);
        : "1" (n1), "r" (n0), "rm" (d), "r" (&__udiv_qrnnd_16)          \
        : "r1", "r2", "r4", "r5", "r6", "pr", "t");                     \
   } while (0)
+#endif /* __FDPIC__  */
 
 #define UDIV_TIME 80
 
@@ -1131,7 +1159,7 @@ extern UDItype __umulsidi3 (USItype, USItype);
 
 #endif /* __sh__ */
 
-#if defined (__SH5__) && __SHMEDIA__ && W_TYPE_SIZE == 32
+#if defined (__SH5__) && defined (__SHMEDIA__) && __SHMEDIA__ && W_TYPE_SIZE == 32
 #define __umulsidi3(u,v) ((UDItype)(USItype)u*(USItype)v)
 #define count_leading_zeros(count, x) \
   do                                                                   \