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* sh-tdep.c (sh_frame_cache): Don't fetch the FPSCR register 

unless it exists for this architecture.
This commit is contained in:
Kevin Buettner 2012-03-03 01:27:47 +00:00
parent d98bfeb023
commit 9fc0568578
2 changed files with 15 additions and 1 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2012-03-02 Kevin Buettner <kevinb@redhat.com>
* sh-tdep.c (sh_frame_cache): Don't fetch the FPSCR register
unless it exists for this architecture.
2012-03-02 Joel Brobecker <brobecker@adacore.com>
* language.h (struct language_defn): New "method" la_read_var_value.

11
gdb/sh-tdep.c
View File

@ -2554,7 +2554,16 @@ sh_frame_cache (struct frame_info *this_frame, void **this_cache)
if (cache->pc != 0)
{
ULONGEST fpscr;
fpscr = get_frame_register_unsigned (this_frame, FPSCR_REGNUM);
/* Check for the existence of the FPSCR register. If it exists,
fetch its value for use in prologue analysis. Passing a zero
value is the best choice for architecture variants upon which
there's no FPSCR register. */
if (gdbarch_register_reggroup_p (gdbarch, FPSCR_REGNUM, all_reggroup))
fpscr = get_frame_register_unsigned (this_frame, FPSCR_REGNUM);
else
fpscr = 0;
sh_analyze_prologue (gdbarch, cache->pc, current_pc, cache, fpscr);
}