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[PATCH 08/13] gdbarch software_single_step frame_info to regcache: sparc
- From: Yao Qi <qiyaoltc at gmail dot com>
- To: gdb-patches at sourceware dot org
- Date: Mon, 14 Nov 2016 17:42:45 +0000
- Subject: [PATCH 08/13] gdbarch software_single_step frame_info to regcache: sparc
- Authentication-results: sourceware.org; auth=none
- References: <1479145370-11432-1-git-send-email-yao.qi@linaro.org>
gdb:
2016-11-14 Yao Qi <yao.qi@linaro.org>
* sparc-tdep.c (sparc_analyze_control_transfer): Replace parameter
frame with regcache. Call get_current_frame.
(sparc_software_single_step): Call get_regcache_arch instead of
get_frame_arch. Call regcache_raw_get_unsigned instead of
get_frame_register_unsigned.
---
gdb/sparc-tdep.c | 17 ++++++++++-------
1 file changed, 10 insertions(+), 7 deletions(-)
diff --git a/gdb/sparc-tdep.c b/gdb/sparc-tdep.c
index ea2435e..18b627d 100644
--- a/gdb/sparc-tdep.c
+++ b/gdb/sparc-tdep.c
@@ -1501,7 +1501,7 @@ sparc32_dwarf2_frame_init_reg (struct gdbarch *gdbarch, int regnum,
software single-step mechanism. */
static CORE_ADDR
-sparc_analyze_control_transfer (struct frame_info *frame,
+sparc_analyze_control_transfer (struct regcache *regcache,
CORE_ADDR pc, CORE_ADDR *npc)
{
unsigned long insn = sparc_fetch_instruction (pc);
@@ -1552,8 +1552,11 @@ sparc_analyze_control_transfer (struct frame_info *frame,
}
else if (X_OP (insn) == 2 && X_OP3 (insn) == 0x3a)
{
+ struct frame_info *frame = get_current_frame ();
+
/* Trap instruction (TRAP). */
- return gdbarch_tdep (get_frame_arch (frame))->step_trap (frame, insn);
+ return gdbarch_tdep (get_regcache_arch (regcache))->step_trap (frame,
+ insn);
}
/* FIXME: Handle DONE and RETRY instructions. */
@@ -1602,19 +1605,19 @@ sparc_step_trap (struct frame_info *frame, unsigned long insn)
static VEC (CORE_ADDR) *
sparc_software_single_step (struct frame_info *frame)
{
- struct gdbarch *arch = get_frame_arch (frame);
+ struct regcache *regcache = get_current_regcache ();
+ struct gdbarch *arch = get_regcache_arch (regcache);
struct gdbarch_tdep *tdep = gdbarch_tdep (arch);
- struct address_space *aspace = get_frame_address_space (frame);
CORE_ADDR npc, nnpc;
CORE_ADDR pc, orig_npc;
VEC (CORE_ADDR) *next_pcs = NULL;
- pc = get_frame_register_unsigned (frame, tdep->pc_regnum);
- orig_npc = npc = get_frame_register_unsigned (frame, tdep->npc_regnum);
+ pc = regcache_raw_get_unsigned (regcache, tdep->pc_regnum);
+ orig_npc = npc = regcache_raw_get_unsigned (regcache, tdep->npc_regnum);
/* Analyze the instruction at PC. */
- nnpc = sparc_analyze_control_transfer (frame, pc, &npc);
+ nnpc = sparc_analyze_control_transfer (regcache, pc, &npc);
if (npc != 0)
VEC_safe_push (CORE_ADDR, next_pcs, npc);
--
1.9.1