gdb: fix vfork with multiple threads

[deliverable/binutils-gdb.git] / gdb / m32r-linux-tdep.c

diff --git a/gdb/m32r-linux-tdep.c b/gdb/m32r-linux-tdep.c
index 8f516b1a70f821857dbed232cacf1dc51efd58f5..24807de0b2b09d993ec9d2f0462fdb0b5df42dd9 100644 (file)
--- a/gdb/m32r-linux-tdep.c
+++ b/gdb/m32r-linux-tdep.c
@@ -1,6 +1,6 @@
 /* Target-dependent code for GNU/Linux m32r.
 
-   Copyright (C) 2004-2020 Free Software Foundation, Inc.
+   Copyright (C) 2004-2021 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -99,7 +99,7 @@ m32r_linux_sigtramp_start (CORE_ADDR pc, struct frame_info *this_frame)
 
   if (pc % 2 != 0)
     {
-      if (!safe_frame_unwind_memory (this_frame, pc, buf, 2))
+      if (!safe_frame_unwind_memory (this_frame, pc, {buf, 2}))
        return 0;
 
       if (memcmp (buf, linux_sigtramp_code, 2) == 0)
@@ -108,7 +108,7 @@ m32r_linux_sigtramp_start (CORE_ADDR pc, struct frame_info *this_frame)
        return 0;
     }
 
-  if (!safe_frame_unwind_memory (this_frame, pc, buf, 4))
+  if (!safe_frame_unwind_memory (this_frame, pc, {buf, 4}))
     return 0;
 
   if (memcmp (buf, linux_sigtramp_code, 4) != 0)
@@ -148,12 +148,12 @@ m32r_linux_rt_sigtramp_start (CORE_ADDR pc, struct frame_info *this_frame)
   if (pc % 2 != 0)
     return 0;
 
-  if (!safe_frame_unwind_memory (this_frame, pc, buf, 4))
+  if (!safe_frame_unwind_memory (this_frame, pc, {buf, 4}))
     return 0;
 
   if (memcmp (buf, linux_rt_sigtramp_code, 4) == 0)
     {
-      if (!safe_frame_unwind_memory (this_frame, pc + 4, buf, 4))
+      if (!safe_frame_unwind_memory (this_frame, pc + 4, {buf, 4}))
        return 0;
 
       if (memcmp (buf, linux_rt_sigtramp_code + 4, 4) == 0)
@@ -161,7 +161,7 @@ m32r_linux_rt_sigtramp_start (CORE_ADDR pc, struct frame_info *this_frame)
     }
   else if (memcmp (buf, linux_rt_sigtramp_code + 4, 4) == 0)
     {
-      if (!safe_frame_unwind_memory (this_frame, pc - 4, buf, 4))
+      if (!safe_frame_unwind_memory (this_frame, pc - 4, {buf, 4}))
        return 0;
 
       if (memcmp (buf, linux_rt_sigtramp_code, 4) == 0)
@@ -219,7 +219,7 @@ static int m32r_linux_sc_reg_offset[] = {
 struct m32r_frame_cache
 {
   CORE_ADDR base, pc;
-  struct trad_frame_saved_reg *saved_regs;
+  trad_frame_saved_reg *saved_regs;
 };
 
 static struct m32r_frame_cache *
@@ -244,7 +244,7 @@ m32r_linux_sigtramp_frame_cache (struct frame_info *this_frame,
   if (addr == 0)
     {
       /* If this is a RT signal trampoline, adjust SIGCONTEXT_ADDR
-         accordingly.  */
+        accordingly.  */
       addr = m32r_linux_rt_sigtramp_start (cache->pc, this_frame);
       if (addr)
        sigcontext_addr += 128;
@@ -258,8 +258,8 @@ m32r_linux_sigtramp_frame_cache (struct frame_info *this_frame,
   for (regnum = 0; regnum < sizeof (m32r_linux_sc_reg_offset) / 4; regnum++)
     {
       if (m32r_linux_sc_reg_offset[regnum] >= 0)
-       cache->saved_regs[regnum].addr =
-         sigcontext_addr + m32r_linux_sc_reg_offset[regnum];
+       cache->saved_regs[regnum].set_addr (sigcontext_addr
+                                           + m32r_linux_sc_reg_offset[regnum]);
     }
 
   return cache;
@@ -302,6 +302,7 @@ m32r_linux_sigtramp_frame_sniffer (const struct frame_unwind *self,
 }
 
 static const struct frame_unwind m32r_linux_sigtramp_frame_unwind = {
+  "m32r linux sigtramp",
   SIGTRAMP_FRAME,
   default_frame_unwind_stop_reason,
   m32r_linux_sigtramp_frame_this_id,
@@ -449,7 +450,7 @@ static void
 m32r_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
 {
 
-  linux_init_abi (info, gdbarch);
+  linux_init_abi (info, gdbarch, 0);
 
   /* Since EVB register is not available for native debug, we reduce
      the number of registers.  */
@@ -468,11 +469,12 @@ m32r_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
 
   /* Enable TLS support.  */
   set_gdbarch_fetch_tls_load_module_address (gdbarch,
-                                             svr4_fetch_objfile_link_map);
+                                            svr4_fetch_objfile_link_map);
 }
 
+void _initialize_m32r_linux_tdep ();
 void
-_initialize_m32r_linux_tdep (void)
+_initialize_m32r_linux_tdep ()
 {
   gdbarch_register_osabi (bfd_arch_m32r, 0, GDB_OSABI_LINUX,
                          m32r_linux_init_abi);