gdb/riscv: Format CORE_ADDR as a string for printing

Avoid compiler errors caused by trying to print CORE_ADDR using '%ld'
format, instead convert to a string and print that instead.

gdb/ChangeLog:

	* riscv-tdep.c (riscv_scan_prologue): Use plongest to format
	a signed offset as a string.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 953bc17..900a4c7 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2018-12-21  Andrew Burgess  <andrew.burgess@embecosm.com>
+
+       * riscv-tdep.c (riscv_scan_prologue): Use plongest to format
+       a signed offset as a string.
+
 2018-12-21  Dave Murphy  <davem@devkitpro.org>
 
        * dtrace-probe.c (dtrace_static_probe_ops): Explicit zero

diff --git a/gdb/riscv-tdep.c b/gdb/riscv-tdep.c
index 88b79af..6a55ab8 100644 (file)
--- a/gdb/riscv-tdep.c
+++ b/gdb/riscv-tdep.c
@@ -1542,10 +1542,16 @@ riscv_scan_prologue (struct gdbarch *gdbarch,
          if (stack.find_reg (gdbarch, i, &offset))
             {
               if (riscv_debug_unwinder)
-                fprintf_unfiltered (gdb_stdlog,
-                                    "Register $%s at stack offset %ld\n",
-                                    gdbarch_register_name (gdbarch, i),
-                                    offset);
+               {
+                 /* Display OFFSET as a signed value, the offsets are from
+                    the frame base address to the registers location on
+                    the stack, with a descending stack this means the
+                    offsets are always negative.  */
+                 fprintf_unfiltered (gdb_stdlog,
+                                     "Register $%s at stack offset %s\n",
+                                     gdbarch_register_name (gdbarch, i),
+                                     plongest ((LONGEST) offset));
+               }
               trad_frame_set_addr (cache->regs, i, offset);
             }
        }