From a225c9a8692814b4a29360479aee217d73e22d50 Mon Sep 17 00:00:00 2001 From: Kamil Rytarowski Date: Tue, 17 Mar 2020 16:31:49 +0100 Subject: [PATCH] Add support for NetBSD threads in sh-nbsd-nat.c NetBSD ptrace(2) accepts thread id (LWP) as the 4th argument for threads. gdb/ChangeLog: * sh-nbsd-nat.c (fetch_registers): New variable lwp and pass it to the ptrace call. * sh-nbsd-nat.c (store_registers): Likewise. --- gdb/ChangeLog | 6 ++++++ gdb/sh-nbsd-nat.c | 8 +++++--- 2 files changed, 11 insertions(+), 3 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index b0b98399552..e418e43740d 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,9 @@ +2020-03-17 Kamil Rytarowski + + * sh-nbsd-nat.c (fetch_registers): New variable lwp and pass + it to the ptrace call. + * sh-nbsd-nat.c (store_registers): Likewise. + 2020-03-17 Kamil Rytarowski * sh-nbsd-nat.c (sh_nbsd_nat_target): Inherit from diff --git a/gdb/sh-nbsd-nat.c b/gdb/sh-nbsd-nat.c index 486ef9d18e9..b4f9db691ce 100644 --- a/gdb/sh-nbsd-nat.c +++ b/gdb/sh-nbsd-nat.c @@ -53,13 +53,14 @@ void sh_nbsd_nat_target::fetch_registers (struct regcache *regcache, int regno) { pid_t pid = regcache->ptid ().pid (); + int lwp = regcache->ptid ().lwp (); if (regno == -1 || GETREGS_SUPPLIES (regcache->arch (), regno)) { struct reg inferior_registers; if (ptrace (PT_GETREGS, pid, - (PTRACE_TYPE_ARG3) &inferior_registers, 0) == -1) + (PTRACE_TYPE_ARG3) &inferior_registers, lwp) == -1) perror_with_name (_("Couldn't get registers")); sh_corefile_supply_regset (&sh_corefile_gregset, regcache, regno, @@ -75,13 +76,14 @@ void sh_nbsd_nat_target::store_registers (struct regcache *regcache, int regno) { pid_t pid = regcache->ptid ().pid (); + int lwp = regcache->ptid ().lwp (); if (regno == -1 || GETREGS_SUPPLIES (regcache->arch (), regno)) { struct reg inferior_registers; if (ptrace (PT_GETREGS, pid, - (PTRACE_TYPE_ARG3) &inferior_registers, 0) == -1) + (PTRACE_TYPE_ARG3) &inferior_registers, lwp) == -1) perror_with_name (_("Couldn't get registers")); sh_corefile_collect_regset (&sh_corefile_gregset, regcache, regno, @@ -89,7 +91,7 @@ sh_nbsd_nat_target::store_registers (struct regcache *regcache, int regno) SHNBSD_SIZEOF_GREGS); if (ptrace (PT_SETREGS, pid, - (PTRACE_TYPE_ARG3) &inferior_registers, 0) == -1) + (PTRACE_TYPE_ARG3) &inferior_registers, lwp) == -1) perror_with_name (_("Couldn't set registers")); if (regno != -1) -- 2.30.2