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authorLuis Machado <luis.machado@arm.com>2022-10-26 13:00:17 +0100
committerLuis Machado <luis.machado@arm.com>2022-10-26 13:00:17 +0100
commitb2e9e754e122d97511bbd6b990e38a23dafb6176 (patch)
treed9a7b718b8d4aaf9097c9e88cba9c93008453cc5
parent8b73ee207c9c4b2d692a82a29d1cee2dcfa07394 (diff)
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gdb/arm: fix IPSR field test in arm_m_exception_cache ()
Arm v8-M Architecture Reference Manual, D1.2.141 IPSR, Interrupt Program Status Register reads "Exception, bits [8:0]" 9 bits, not 8! It is uncommon but true! Signed-off-by: Tomas Vanek <vanekt@fbl.cz>
-rw-r--r--gdb/arm-tdep.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/gdb/arm-tdep.c b/gdb/arm-tdep.c
index ae0882f..247e552 100644
--- a/gdb/arm-tdep.c
+++ b/gdb/arm-tdep.c
@@ -3441,7 +3441,7 @@ arm_m_exception_cache (frame_info_ptr this_frame)
}
ULONGEST xpsr = get_frame_register_unsigned (this_frame, ARM_PS_REGNUM);
- if ((xpsr & 0xff) != 0)
+ if ((xpsr & 0x1ff) != 0)
/* Handler mode: This is the mode that exceptions are handled in. */
arm_cache_switch_prev_sp (cache, tdep, tdep->m_profile_msp_s_regnum);
else