gdb/riscv: Add gdb to dwarf register number mapping

[deliverable/binutils-gdb.git] / gdb / rs6000-tdep.c

diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c
index 504de3657e6463fd29600db72112ac21bbeddc2a..67c7a36125996aa396b5e71da0de2827bd271654 100644 (file)
--- a/gdb/rs6000-tdep.c
+++ b/gdb/rs6000-tdep.c
@@ -1975,16 +1975,19 @@ skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc, CORE_ADDR lim_pc,
 
       else
        {
-         unsigned int all_mask = ~((1U << fdata->saved_gpr) - 1);
-
          /* Not a recognized prologue instruction.
             Handle optimizer code motions into the prologue by continuing
             the search if we have no valid frame yet or if the return
             address is not yet saved in the frame.  Also skip instructions
             if some of the GPRs expected to be saved are not yet saved.  */
          if (fdata->frameless == 0 && fdata->nosavedpc == 0
-             && (fdata->gpr_mask & all_mask) == all_mask)
-           break;
+             && fdata->saved_gpr != -1)
+           {
+             unsigned int all_mask = ~((1U << fdata->saved_gpr) - 1);
+
+             if ((fdata->gpr_mask & all_mask) == all_mask)
+               break;
+           }
 
          if (op == 0x4e800020          /* blr */
              || op == 0x4e800420)      /* bctr */