From: John Baldwin <jhb@FreeBSD.org>
To: gdb-patches@sourceware.org
Subject: [PATCH] Note that PT_GETREGS supplies SSTATUS for FreeBSD/riscv.
Date: Mon, 05 Nov 2018 21:57:00 -0000 [thread overview]
Message-ID: <20181105215723.23683-1-jhb@FreeBSD.org> (raw)
This permits reading the value of the SSTATUS CSR returned by ptrace()
for live FreeBSD/riscv processes.
* riscv-fbsd-nat.c (getregs_supplies): Return true for
RISCV_CSR_SSTATUS_REGNUM.
---
gdb/ChangeLog | 5 +++++
gdb/riscv-fbsd-nat.c | 3 ++-
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index bc77fe85c7..b78d58625e 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2018-11-05 John Baldwin <jhb@FreeBSD.org>
+
+ * riscv-fbsd-nat.c (getregs_supplies): Return true for
+ RISCV_CSR_SSTATUS_REGNUM.
+
2018-11-04 Tom Tromey <tom@tromey.com>
* varobj.c (install_default_visualizer): Update.
diff --git a/gdb/riscv-fbsd-nat.c b/gdb/riscv-fbsd-nat.c
index ad4ea1e0ad..e66f491284 100644
--- a/gdb/riscv-fbsd-nat.c
+++ b/gdb/riscv-fbsd-nat.c
@@ -42,7 +42,8 @@ static riscv_fbsd_nat_target the_riscv_fbsd_nat_target;
static bool
getregs_supplies (struct gdbarch *gdbarch, int regnum)
{
- return (regnum >= RISCV_RA_REGNUM && regnum <= RISCV_PC_REGNUM);
+ return ((regnum >= RISCV_RA_REGNUM && regnum <= RISCV_PC_REGNUM)
+ || regnum == RISCV_CSR_SSTATUS_REGNUM);
}
/* Determine if PT_GETFPREGS fetches REGNUM. */
--
2.18.0
next reply other threads:[~2018-11-05 21:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-05 21:57 John Baldwin [this message]
2018-11-05 22:35 ` Andrew Burgess
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