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Add support for NetBSD threads in hppa-nbsd-nat.c

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NetBSD ptrace(2) accepts thread id (LWP) as the 4th argument for threads.

gdb/ChangeLog:

	* hppa-nbsd-nat.c (fetch_registers): New variable lwp and pass
	it to the ptrace call.
	* (store_registers): Likewise.
This commit is contained in:
Kamil Rytarowski 2020-03-19 15:39:56 +01:00
parent 0dd7b8f788
commit 4a90f06205
2 changed files with 15 additions and 7 deletions
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8
gdb/ChangeLog
View File

@ -1,4 +1,10 @@
2020-03-12 Kamil Rytarowski <n54@gmx.com>
2020-03-20 Kamil Rytarowski <n54@gmx.com>
* hppa-nbsd-nat.c (fetch_registers): New variable lwp and pass
it to the ptrace call.
* (store_registers): Likewise.
2020-03-20 Kamil Rytarowski <n54@gmx.com>
* ppc-nbsd-nat.c (fetch_registers): New variable lwp and pass
it to the ptrace call.

14
gdb/hppa-nbsd-nat.c
View File

@ -171,12 +171,13 @@ hppa_nbsd_nat_target::fetch_registers (struct regcache *regcache, int regnum)
{
pid_t pid = regcache->ptid ().pid ();
int lwp = regcache->ptid ().lwp ();
if (regnum == -1 || hppanbsd_gregset_supplies_p (regnum))
{
struct reg regs;
if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) &regs, 0) == -1)
if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) &regs, lwp) == -1)
perror_with_name (_("Couldn't get registers"));
hppanbsd_supply_gregset (regcache, &regs);
@ -186,7 +187,7 @@ hppa_nbsd_nat_target::fetch_registers (struct regcache *regcache, int regnum)
{
struct fpreg fpregs;
if (ptrace (PT_GETFPREGS, pid, (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
if (ptrace (PT_GETFPREGS, pid, (PTRACE_TYPE_ARG3) &fpregs, lwp) == -1)
perror_with_name (_("Couldn't get floating point status"));
hppanbsd_supply_fpregset (regcache, &fpregs);
@ -200,17 +201,18 @@ void
hppa_nbsd_nat_target::store_registers (struct regcache *regcache, int regnum)
{
pid_t pid = regcache->ptid ().pid ();
int lwp = regcache->ptid ().lwp ();
if (regnum == -1 || hppanbsd_gregset_supplies_p (regnum))
{
struct reg regs;
if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) &regs, 0) == -1)
if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) &regs, lwp) == -1)
perror_with_name (_("Couldn't get registers"));
hppanbsd_collect_gregset (regcache, &regs, regnum);
if (ptrace (PT_SETREGS, pid, (PTRACE_TYPE_ARG3) &regs, 0) == -1)
if (ptrace (PT_SETREGS, pid, (PTRACE_TYPE_ARG3) &regs, lwp) == -1)
perror_with_name (_("Couldn't write registers"));
}
@ -218,12 +220,12 @@ hppa_nbsd_nat_target::store_registers (struct regcache *regcache, int regnum)
{
struct fpreg fpregs;
if (ptrace (PT_GETFPREGS, pid, (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
if (ptrace (PT_GETFPREGS, pid, (PTRACE_TYPE_ARG3) &fpregs, lwp) == -1)
perror_with_name (_("Couldn't get floating point status"));
hppanbsd_collect_fpregset (regcache, &fpregs, regnum);
if (ptrace (PT_SETFPREGS, pid, (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
if (ptrace (PT_SETFPREGS, pid, (PTRACE_TYPE_ARG3) &fpregs, lwp) == -1)
perror_with_name (_("Couldn't write floating point status"));
}
}