From 4a90f062056e842c3f53293482e0039db0da3245 Mon Sep 17 00:00:00 2001 From: Kamil Rytarowski Date: Thu, 19 Mar 2020 15:39:56 +0100 Subject: [PATCH] Add support for NetBSD threads in hppa-nbsd-nat.c 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. --- gdb/ChangeLog | 8 +++++++- gdb/hppa-nbsd-nat.c | 14 ++++++++------ 2 files changed, 15 insertions(+), 7 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index f9076325fa0..cb6905b8a3b 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,4 +1,10 @@ -2020-03-12 Kamil Rytarowski +2020-03-20 Kamil Rytarowski + + * hppa-nbsd-nat.c (fetch_registers): New variable lwp and pass + it to the ptrace call. + * (store_registers): Likewise. + +2020-03-20 Kamil Rytarowski * ppc-nbsd-nat.c (fetch_registers): New variable lwp and pass it to the ptrace call. diff --git a/gdb/hppa-nbsd-nat.c b/gdb/hppa-nbsd-nat.c index d8255030ddf..c35f30daa8e 100644 --- a/gdb/hppa-nbsd-nat.c +++ b/gdb/hppa-nbsd-nat.c @@ -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) ®s, 0) == -1) + if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) ®s, lwp) == -1) perror_with_name (_("Couldn't get registers")); hppanbsd_supply_gregset (regcache, ®s); @@ -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) ®s, 0) == -1) + if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) ®s, lwp) == -1) perror_with_name (_("Couldn't get registers")); hppanbsd_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")); } @@ -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")); } } -- 2.30.2