embedaddon/quagga/lib/sigevent.c - diff

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-version 1.1.1.2, 2013/07/21 23:54:39
+version 1.1.1.3, 2016/11/02 10:09:10
  Line 175  program_counter(void *context)
  {
  #ifdef HAVE_UCONTEXT_H
  #ifdef GNU_LINUX
-#ifdef REG_EIP
+  /* these are from GNU libc, rather than Linux, strictly speaking */
-  if (context)
+# if defined(REG_EIP)
-    return (void *)(((ucontext_t *)context)->uc_mcontext.gregs[REG_EIP]);
+#  define REG_INDEX REG_EIP
-#endif /* REG_EIP */
+# elif defined(REG_RIP)
+#  define REG_INDEX REG_RIP
+# elif defined(__powerpc__)
+#  define REG_INDEX 32
+# endif
+#elif defined(SUNOS_5) /* !GNU_LINUX */
+# define REG_INDEX REG_PC
  #endif /* GNU_LINUX */
+ #ifdef REG_INDEX
+ # ifdef HAVE_UCONTEXT_T_UC_MCONTEXT_GREGS
+ #  define REGS gregs[REG_INDEX]
+ # elif defined(HAVE_UCONTEXT_T_UC_MCONTEXT_UC_REGS)
+ #  define REGS uc_regs->gregs[REG_INDEX]
+ # endif /* HAVE_UCONTEXT_T_UC_MCONTEXT_GREGS */
+ #endif /* REG_INDEX */
+ #ifdef REGS
+   if (context)
+     return (void *)(((ucontext_t *)context)->uc_mcontext.REGS);
+ #elif defined(HAVE_UCONTEXT_T_UC_MCONTEXT_REGS__NIP)
+   /* older Linux / struct pt_regs ? */
+   if (context)
+     return (void *)(((ucontext_t *)context)->uc_mcontext.regs->nip);
+ #endif /* REGS */
  #endif /* HAVE_UCONTEXT_H */
    return NULL;
  }