Make the assembler generate an error if there is an attempt to define a section with...

[deliverable/binutils-gdb.git] / gdb / nios2-tdep.c

diff --git a/gdb/nios2-tdep.c b/gdb/nios2-tdep.c
index 08664541133dc9aebac00147ebc75195c43f5f24..6e00a322d24ec8a13ab43a7d5c4a1af19189ef2f 100644 (file)
--- a/gdb/nios2-tdep.c
+++ b/gdb/nios2-tdep.c
@@ -1,5 +1,5 @@
 /* Target-machine dependent code for Nios II, for GDB.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    Contributed by Peter Brookes (pbrookes@altera.com)
    and Andrew Draper (adraper@altera.com).
    Contributed by Mentor Graphics, Inc.
@@ -52,19 +52,21 @@
 
 /* Control debugging information emitted in this file.  */
 
-static int nios2_debug = 0;
+static bool nios2_debug = false;
 
 /* The following structures are used in the cache for prologue
    analysis; see the reg_value and reg_saved tables in
    struct nios2_unwind_cache, respectively.  */
 
-/* struct reg_value is used to record that a register has the same value
-   as reg at the given offset from the start of a function.  */
+/* struct reg_value is used to record that a register has reg's initial
+   value at the start of a function plus the given constant offset.
+   If reg == 0, then the value is just the offset.
+   If reg < 0, then the value is unknown.  */
 
 struct reg_value
 {
   int reg;
-  unsigned int offset;
+  int offset;
 };
 
 /* struct reg_saved is used to record that a register value has been saved at
@@ -1795,16 +1797,6 @@ nios2_return_value (struct gdbarch *gdbarch, struct value *function,
   return RETURN_VALUE_REGISTER_CONVENTION;
 }
 
-/* Implement the dummy_id gdbarch method.  */
-
-static struct frame_id
-nios2_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame)
-{
-  return frame_id_build
-    (get_frame_register_unsigned (this_frame, NIOS2_SP_REGNUM),
-     get_frame_pc (this_frame));
-}
-
 /* Implement the push_dummy_call gdbarch method.  */
 
 static CORE_ADDR
@@ -1896,14 +1888,6 @@ nios2_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
   return extract_typed_address (buf, builtin_type (gdbarch)->builtin_func_ptr);
 }
 
-/* Implement the unwind_sp gdbarch method.  */
-
-static CORE_ADDR
-nios2_unwind_sp (struct gdbarch *gdbarch, struct frame_info *this_frame)
-{
-  return frame_unwind_register_unsigned (this_frame, NIOS2_SP_REGNUM);
-}
-
 /* Use prologue analysis to fill in the register cache
    *THIS_PROLOGUE_CACHE for THIS_FRAME.  This function initializes
    *THIS_PROLOGUE_CACHE first.  */
@@ -2276,11 +2260,11 @@ nios2_type_align (struct gdbarch *gdbarch, struct type *type)
 }
 
 /* Implement the gcc_target_options gdbarch method.  */
-static char *
+static std::string
 nios2_gcc_target_options (struct gdbarch *gdbarch)
 {
   /* GCC doesn't know "-m32".  */
-  return NULL;
+  return {};
 }
 
 /* Initialize the Nios II gdbarch.  */
@@ -2375,9 +2359,7 @@ nios2_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   set_gdbarch_breakpoint_kind_from_pc (gdbarch, nios2_breakpoint_kind_from_pc);
   set_gdbarch_sw_breakpoint_from_kind (gdbarch, nios2_sw_breakpoint_from_kind);
 
-  set_gdbarch_dummy_id (gdbarch, nios2_dummy_id);
   set_gdbarch_unwind_pc (gdbarch, nios2_unwind_pc);
-  set_gdbarch_unwind_sp (gdbarch, nios2_unwind_sp);
 
   /* The dwarf2 unwinder will normally produce the best results if
      the debug information is available, so register it first.  */