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* [binutils-gdb] Add support for threads in vax_bsd_nat_target
@ 2020-03-14 12:54 Kamil Rytarowski
0 siblings, 0 replies; only message in thread
From: Kamil Rytarowski @ 2020-03-14 12:54 UTC (permalink / raw)
To: gdb-cvs
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=6227b330d563add042066259e5f933c89a85b3b5
commit 6227b330d563add042066259e5f933c89a85b3b5
Author: Kamil Rytarowski <n54@gmx.com>
Date: Sat Mar 14 13:38:30 2020 +0100
Add support for threads in vax_bsd_nat_target
ptrace(2) PT_GETREGS/PT_SETREGS accepts thread id (LWP) as the 4th
argument for threads.
gdb/ChangeLog:
* vax-bsd-nat.c (vaxbsd_supply_gregset): New variable lwp and pass
it to the ptrace call.
* vax-bsd-nat.c (vaxbsd_collect_gregset): Likewise.
Diff:
---
gdb/ChangeLog | 9 ++++++++-
gdb/vax-bsd-nat.c | 8 +++++---
2 files changed, 13 insertions(+), 4 deletions(-)
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index c148626b332..34212357c84 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,6 +1,13 @@
2020-03-14 Kamil Rytarowski <n54@gmx.com>
- * vax-bsd-nat.c (vaxbsd_supply_gregset): Cast gregs to const gdb_byte *.
+ * vax-bsd-nat.c (vaxbsd_supply_gregset): New variable lwp and pass
+ it to the ptrace call.
+ * vax-bsd-nat.c (vaxbsd_collect_gregset): Likewise.
+
+2020-03-14 Kamil Rytarowski <n54@gmx.com>
+
+ * vax-bsd-nat.c (vaxbsd_supply_gregset): Cast gregs to const
+ gdb_byte *.
* vax-bsd-nat.c (vaxbsd_collect_gregset): Cast gregs to void *.
2020-03-14 Kamil Rytarowski <n54@gmx.com>
diff --git a/gdb/vax-bsd-nat.c b/gdb/vax-bsd-nat.c
index 9b1351d9b14..1ca1f7bb1e8 100644
--- a/gdb/vax-bsd-nat.c
+++ b/gdb/vax-bsd-nat.c
@@ -78,8 +78,9 @@ vax_bsd_nat_target::fetch_registers (struct regcache *regcache, int regnum)
{
struct reg regs;
pid_t pid = regcache->ptid ().pid ();
+ int lwp = regcache->ptid ().lwp ();
- if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) ®s, 0) == -1)
+ if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) ®s, lwp) == -1)
perror_with_name (_("Couldn't get registers"));
vaxbsd_supply_gregset (regcache, ®s);
@@ -93,13 +94,14 @@ vax_bsd_nat_target::store_registers (struct regcache *regcache, int regnum)
{
struct reg regs;
pid_t pid = regcache->ptid ().pid ();
+ int lwp = regcache->ptid ().lwp ();
- if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) ®s, 0) == -1)
+ if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) ®s, lwp) == -1)
perror_with_name (_("Couldn't get registers"));
vaxbsd_collect_gregset (regcache, ®s, regnum);
- if (ptrace (PT_SETREGS, pid, (PTRACE_TYPE_ARG3) ®s, 0) == -1)
+ if (ptrace (PT_SETREGS, pid, (PTRACE_TYPE_ARG3) ®s, lwp) == -1)
perror_with_name (_("Couldn't write registers"));
}
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