diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 68ecef7728..bd8ce4bbc3 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,8 @@ +2018-11-06 Marius Muench + + * arm-tdep.c (arm_scan_prologue): Don't dereference FP reg + when on AAPCS. + 2018-11-06 John Baldwin * riscv-fbsd-nat.c (getregs_supplies): Return true for diff --git a/gdb/arm-tdep.c b/gdb/arm-tdep.c index 53eee76926..0165e92527 100644 --- a/gdb/arm-tdep.c +++ b/gdb/arm-tdep.c @@ -1801,6 +1801,10 @@ arm_scan_prologue (struct frame_info *this_frame, CORE_ADDR frame_loc; ULONGEST return_value; + /* AAPCS does not use a frame register, so we can abort here. */ + if (gdbarch_tdep (gdbarch)->arm_abi == ARM_ABI_AAPCS) + return; + frame_loc = get_frame_register_unsigned (this_frame, ARM_FP_REGNUM); if (!safe_read_memory_unsigned_integer (frame_loc, 4, byte_order, &return_value))