>From ef3183a1648f45c705b55704de3755f84e9bcf80 Mon Sep 17 00:00:00 2001
From: Steven Seeger <steven.see...@flightsystems.net>
Date: Thu, 15 Feb 2018 13:20:04 -0500
Subject: [PATCH 1/2] fix issue where a branch to pc+4 confuses GDB because pc
and npc are set to the same value
Signed-off-by: Steven Seeger <steven.see...@flightsystems.net>
---
target/sparc/translate.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index 71e0853e43..4c2272003d 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -1464,6 +1464,9 @@ static void do_branch(DisasContext *dc, int32_t offset,
uint32_t insn, int cc)
dc->npc = dc->pc + 4;
} else {
dc->pc = dc->npc;
+ if (target == dc->pc) {
+ target += 4;
+ }
dc->npc = target;
tcg_gen_mov_tl(cpu_pc, cpu_npc);
}
@@ -1504,6 +1507,9 @@ static void do_fbranch(DisasContext *dc, int32_t offset,
uint32_t insn, int cc)
dc->npc = dc->pc + 4;
} else {
dc->pc = dc->npc;
+ if (target == dc->pc) {
+ target += 4;
+ }
dc->npc = target;
tcg_gen_mov_tl(cpu_pc, cpu_npc);
}
--
2.13.6
