aarch64 multi-arch support (part 2): siginfo fixup

[deliverable/binutils-gdb.git] / gdb / nat / aarch64-linux.c

diff --git a/gdb/nat/aarch64-linux.c b/gdb/nat/aarch64-linux.c
index ba94b002b04d5b0c3fb993be7008b49de4384291..0634094a2d452d3ce281d8bc8eb87010cdc3abcf 100644 (file)
--- a/gdb/nat/aarch64-linux.c
+++ b/gdb/nat/aarch64-linux.c
@@ -78,3 +78,120 @@ aarch64_linux_new_thread (struct lwp_info *lwp)
 
   lwp_set_arch_private_info (lwp, info);
 }
+
+/* Convert native siginfo FROM to the siginfo in the layout of the
+   inferior's architecture TO.  */
+
+void
+aarch64_compat_siginfo_from_siginfo (compat_siginfo_t *to, siginfo_t *from)
+{
+  memset (to, 0, sizeof (*to));
+
+  to->si_signo = from->si_signo;
+  to->si_errno = from->si_errno;
+  to->si_code = from->si_code;
+
+  if (to->si_code == SI_TIMER)
+    {
+      to->cpt_si_timerid = from->si_timerid;
+      to->cpt_si_overrun = from->si_overrun;
+      to->cpt_si_ptr = (intptr_t) from->si_ptr;
+    }
+  else if (to->si_code == SI_USER)
+    {
+      to->cpt_si_pid = from->si_pid;
+      to->cpt_si_uid = from->si_uid;
+    }
+  else if (to->si_code < 0)
+    {
+      to->cpt_si_pid = from->si_pid;
+      to->cpt_si_uid = from->si_uid;
+      to->cpt_si_ptr = (intptr_t) from->si_ptr;
+    }
+  else
+    {
+      switch (to->si_signo)
+       {
+       case SIGCHLD:
+         to->cpt_si_pid = from->si_pid;
+         to->cpt_si_uid = from->si_uid;
+         to->cpt_si_status = from->si_status;
+         to->cpt_si_utime = from->si_utime;
+         to->cpt_si_stime = from->si_stime;
+         break;
+       case SIGILL:
+       case SIGFPE:
+       case SIGSEGV:
+       case SIGBUS:
+         to->cpt_si_addr = (intptr_t) from->si_addr;
+         break;
+       case SIGPOLL:
+         to->cpt_si_band = from->si_band;
+         to->cpt_si_fd = from->si_fd;
+         break;
+       default:
+         to->cpt_si_pid = from->si_pid;
+         to->cpt_si_uid = from->si_uid;
+         to->cpt_si_ptr = (intptr_t) from->si_ptr;
+         break;
+       }
+    }
+}
+
+/* Convert inferior's architecture siginfo FROM to native siginfo TO.  */
+
+void
+aarch64_siginfo_from_compat_siginfo (siginfo_t *to, compat_siginfo_t *from)
+{
+  memset (to, 0, sizeof (*to));
+
+  to->si_signo = from->si_signo;
+  to->si_errno = from->si_errno;
+  to->si_code = from->si_code;
+
+  if (to->si_code == SI_TIMER)
+    {
+      to->si_timerid = from->cpt_si_timerid;
+      to->si_overrun = from->cpt_si_overrun;
+      to->si_ptr = (void *) (intptr_t) from->cpt_si_ptr;
+    }
+  else if (to->si_code == SI_USER)
+    {
+      to->si_pid = from->cpt_si_pid;
+      to->si_uid = from->cpt_si_uid;
+    }
+  if (to->si_code < 0)
+    {
+      to->si_pid = from->cpt_si_pid;
+      to->si_uid = from->cpt_si_uid;
+      to->si_ptr = (void *) (intptr_t) from->cpt_si_ptr;
+    }
+  else
+    {
+      switch (to->si_signo)
+       {
+       case SIGCHLD:
+         to->si_pid = from->cpt_si_pid;
+         to->si_uid = from->cpt_si_uid;
+         to->si_status = from->cpt_si_status;
+         to->si_utime = from->cpt_si_utime;
+         to->si_stime = from->cpt_si_stime;
+         break;
+       case SIGILL:
+       case SIGFPE:
+       case SIGSEGV:
+       case SIGBUS:
+         to->si_addr = (void *) (intptr_t) from->cpt_si_addr;
+         break;
+       case SIGPOLL:
+         to->si_band = from->cpt_si_band;
+         to->si_fd = from->cpt_si_fd;
+         break;
+       default:
+         to->si_pid = from->cpt_si_pid;
+         to->si_uid = from->cpt_si_uid;
+         to->si_ptr = (void* ) (intptr_t) from->cpt_si_ptr;
+         break;
+       }
+    }
+}