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Diffstat (limited to 'gdb/rs6000-tdep.c')
-rw-r--r--gdb/rs6000-tdep.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c
index 1588679..5e10893 100644
--- a/gdb/rs6000-tdep.c
+++ b/gdb/rs6000-tdep.c
@@ -1143,7 +1143,7 @@ ppc_displaced_step_hw_singlestep (struct gdbarch *gdbarch,
is found, attempt to step through it. A breakpoint is placed at the end of
the sequence. */
-int
+VEC (CORE_ADDR) *
ppc_deal_with_atomic_sequence (struct frame_info *frame)
{
struct gdbarch *gdbarch = get_frame_arch (frame);
@@ -1159,11 +1159,12 @@ ppc_deal_with_atomic_sequence (struct frame_info *frame)
int last_breakpoint = 0; /* Defaults to 0 (no breakpoints placed). */
const int atomic_sequence_length = 16; /* Instruction sequence length. */
int bc_insn_count = 0; /* Conditional branch instruction count. */
+ VEC (CORE_ADDR) *next_pcs = NULL;
/* Assume all atomic sequences start with a lwarx/ldarx instruction. */
if ((insn & LWARX_MASK) != LWARX_INSTRUCTION
&& (insn & LWARX_MASK) != LDARX_INSTRUCTION)
- return 0;
+ return NULL;
/* Assume that no atomic sequence is longer than "atomic_sequence_length"
instructions. */
@@ -1201,7 +1202,7 @@ ppc_deal_with_atomic_sequence (struct frame_info *frame)
/* Assume that the atomic sequence ends with a stwcx/stdcx instruction. */
if ((insn & STWCX_MASK) != STWCX_INSTRUCTION
&& (insn & STWCX_MASK) != STDCX_INSTRUCTION)
- return 0;
+ return NULL;
closing_insn = loc;
loc += PPC_INSN_SIZE;
@@ -1217,11 +1218,10 @@ ppc_deal_with_atomic_sequence (struct frame_info *frame)
|| (breaks[1] >= pc && breaks[1] <= closing_insn)))
last_breakpoint = 0;
- /* Effectively inserts the breakpoints. */
for (index = 0; index <= last_breakpoint; index++)
- insert_single_step_breakpoint (gdbarch, aspace, breaks[index]);
+ VEC_safe_push (CORE_ADDR, next_pcs, breaks[index]);
- return 1;
+ return next_pcs;
}