Handle multiple target events before commit resume

[deliverable/binutils-gdb.git] / gdb / i386-tdep.c

diff --git a/gdb/i386-tdep.c b/gdb/i386-tdep.c
index 3eb6fa4a5d7757ce00916952b3b3c50a352b2a06..a8bdd70e6a72e327f151d038317d6a92b9ed20a8 100644 (file)
--- a/gdb/i386-tdep.c
+++ b/gdb/i386-tdep.c
@@ -1,6 +1,6 @@
 /* Intel 386 target-dependent stuff.
 
-   Copyright (C) 1988-2019 Free Software Foundation, Inc.
+   Copyright (C) 1988-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -798,13 +798,14 @@ i386_insn_is_jump (struct gdbarch *gdbarch, CORE_ADDR addr)
 
 /* Some kernels may run one past a syscall insn, so we have to cope.  */
 
-struct displaced_step_closure *
+displaced_step_copy_insn_closure_up
 i386_displaced_step_copy_insn (struct gdbarch *gdbarch,
                               CORE_ADDR from, CORE_ADDR to,
                               struct regcache *regs)
 {
   size_t len = gdbarch_max_insn_length (gdbarch);
-  i386_displaced_step_closure *closure = new i386_displaced_step_closure (len);
+  std::unique_ptr<i386_displaced_step_copy_insn_closure> closure
+    (new i386_displaced_step_copy_insn_closure (len));
   gdb_byte *buf = closure->buf.data ();
 
   read_memory (from, buf, len);
@@ -830,7 +831,8 @@ i386_displaced_step_copy_insn (struct gdbarch *gdbarch,
       displaced_step_dump_bytes (gdb_stdlog, buf, len);
     }
 
-  return closure;
+  /* This is a work around for a problem with g++ 4.8.  */
+  return displaced_step_copy_insn_closure_up (closure.release ());
 }
 
 /* Fix up the state of registers and memory after having single-stepped
@@ -838,7 +840,7 @@ i386_displaced_step_copy_insn (struct gdbarch *gdbarch,
 
 void
 i386_displaced_step_fixup (struct gdbarch *gdbarch,
-                           struct displaced_step_closure *closure_,
+                           struct displaced_step_copy_insn_closure *closure_,
                            CORE_ADDR from, CORE_ADDR to,
                            struct regcache *regs)
 {
@@ -850,8 +852,8 @@ i386_displaced_step_fixup (struct gdbarch *gdbarch,
      applying it.  */
   ULONGEST insn_offset = to - from;
 
-  i386_displaced_step_closure *closure
-    = (i386_displaced_step_closure *) closure_;
+  i386_displaced_step_copy_insn_closure *closure
+    = (i386_displaced_step_copy_insn_closure *) closure_;
   gdb_byte *insn = closure->buf.data ();
   /* The start of the insn, needed in case we see some prefixes.  */
   gdb_byte *insn_start = insn;
@@ -1505,7 +1507,7 @@ struct i386_insn i386_frame_setup_skip_insns[] =
   /* Check for `mov imm32, r32'.  Note that there is an alternative
      encoding for `mov m32, %eax'.
 
-     ??? Should we handle SIB adressing here?
+     ??? Should we handle SIB addressing here?
      ??? Should we handle 16-bit operand-sizes here?  */
 
   /* `movl m32, %eax' */
@@ -1622,7 +1624,7 @@ i386_analyze_frame_setup (struct gdbarch *gdbarch,
       /* Check for some special instructions that might be migrated by
         GCC into the prologue and skip them.  At this point in the
         prologue, code should only touch the scratch registers %eax,
-        %ecx and %edx, so while the number of posibilities is sheer,
+        %ecx and %edx, so while the number of possibilities is sheer,
         it is limited.
 
         Make sure we only skip these instructions if we later see the
@@ -1948,8 +1950,8 @@ i386_skip_main_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
          call_dest = call_dest & 0xffffffffU;
          s = lookup_minimal_symbol_by_pc (call_dest);
          if (s.minsym != NULL
-             && MSYMBOL_LINKAGE_NAME (s.minsym) != NULL
-             && strcmp (MSYMBOL_LINKAGE_NAME (s.minsym), "__main") == 0)
+             && s.minsym->linkage_name () != NULL
+             && strcmp (s.minsym->linkage_name (), "__main") == 0)
            pc += 5;
        }
     }
@@ -3933,7 +3935,7 @@ i386_pe_skip_trampoline_code (struct frame_info *frame,
        read_memory_unsigned_integer (pc + 2, 4, byte_order);
       struct minimal_symbol *indsym =
        indirect ? lookup_minimal_symbol_by_pc (indirect).minsym : 0;
-      const char *symname = indsym ? MSYMBOL_LINKAGE_NAME (indsym) : 0;
+      const char *symname = indsym ? indsym->linkage_name () : 0;
 
       if (symname)
        {
@@ -8177,7 +8179,7 @@ i386_fast_tracepoint_valid_at (struct gdbarch *gdbarch, CORE_ADDR addr,
    length LEN in bits.  If non-NULL, NAME is the name of its type.
    If no suitable type is found, return NULL.  */
 
-const struct floatformat **
+static const struct floatformat **
 i386_floatformat_for_type (struct gdbarch *gdbarch,
                           const char *name, int len)
 {