From c7da12c72c2eeb4f62e772df5cbb1f50f35a84ee Mon Sep 17 00:00:00 2001 From: Kamil Rytarowski Date: Thu, 19 Mar 2020 15:01:27 +0100 Subject: [PATCH] Add support for NetBSD threads in ppc-nbsd-nat.c NetBSD ptrace(2) accepts thread id (LWP) as the 4th argument for threads. gdb/ChangeLog: * ppc-nbsd-nat.c (fetch_registers): New variable lwp and pass it to the ptrace call. * (store_registers): Likewise. --- gdb/ChangeLog | 6 ++++++ gdb/ppc-nbsd-nat.c | 14 ++++++++------ 2 files changed, 14 insertions(+), 6 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index c98b1609312..f9076325fa0 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,9 @@ +2020-03-12 Kamil Rytarowski + + * ppc-nbsd-nat.c (fetch_registers): New variable lwp and pass + it to the ptrace call. + * (store_registers): Likewise. + 2020-03-19 Luis Machado * nat/aarch64-sve-linux-ptrace.c (aarch64_sve_set_vq): If vg is not diff --git a/gdb/ppc-nbsd-nat.c b/gdb/ppc-nbsd-nat.c index 86a20a97329..67c03790ed7 100644 --- a/gdb/ppc-nbsd-nat.c +++ b/gdb/ppc-nbsd-nat.c @@ -91,12 +91,13 @@ ppc_nbsd_nat_target::fetch_registers (struct regcache *regcache, int regnum) { struct gdbarch *gdbarch = regcache->arch (); pid_t pid = regcache->ptid ().pid (); + int lwp = regcache->ptid ().lwp (); if (regnum == -1 || getregs_supplies (gdbarch, 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")); ppc_supply_gregset (&ppcnbsd_gregset, regcache, @@ -107,7 +108,7 @@ ppc_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 FP registers")); ppc_supply_fpregset (&ppcnbsd_fpregset, regcache, @@ -120,18 +121,19 @@ ppc_nbsd_nat_target::store_registers (struct regcache *regcache, int regnum) { struct gdbarch *gdbarch = regcache->arch (); pid_t pid = regcache->ptid ().pid (); + int lwp = regcache->ptid ().lwp (); if (regnum == -1 || getregs_supplies (gdbarch, 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")); ppc_collect_gregset (&ppcnbsd_gregset, regcache, regnum, ®s, sizeof regs); - 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")); } @@ -139,13 +141,13 @@ ppc_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 FP registers")); ppc_collect_fpregset (&ppcnbsd_fpregset, regcache, regnum, &fpregs, sizeof fpregs); - 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 set FP registers")); } } -- 2.30.2