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Add support for NetBSD threads in m68k-bsd-nat.c

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

gdb/ChangeLog:

        * m68k-bsd-nat.c (fetch_registers): New variable lwp and pass
        it to the ptrace call.
        * m68k-bsd-nat.c (store_registers): Likewise.
This commit is contained in:
Kamil Rytarowski 2020-03-14 17:13:38 +01:00
parent bc10778499
commit 154151a6e3
2 changed files with 14 additions and 6 deletions
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6
gdb/ChangeLog
View File

@ -1,3 +1,9 @@
2020-03-14 Kamil Rytarowski <n54@gmx.com>
* m68k-bsd-nat.c (fetch_registers): New variable lwp and pass
it to the ptrace call.
* m68k-bsd-nat.c (store_registers): Likewise.
2020-03-14 Kamil Rytarowski <n54@gmx.com>
* m68k-bsd-nat.c (m68kbsd_supply_gregset): Change type of regs to

14
gdb/m68k-bsd-nat.c
View File

@ -121,12 +121,13 @@ void
m68k_bsd_nat_target::fetch_registers (struct regcache *regcache, int regnum)
{
pid_t pid = regcache->ptid ().pid ();
int lwp = regcache->ptid ().lwp ();
if (regnum == -1 || m68kbsd_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"));
m68kbsd_supply_gregset (regcache, &regs);
@ -136,7 +137,7 @@ m68k_bsd_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"));
m68kbsd_supply_fpregset (regcache, &fpregs);
@ -150,17 +151,18 @@ void
m68k_bsd_nat_target::store_registers (struct regcache *regcache, int regnum)
{
pid_t pid = regcache->ptid ().pid ();
int lwp = regcache->ptid ().lwp ();
if (regnum == -1 || m68kbsd_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"));
m68kbsd_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"));
}
@ -168,12 +170,12 @@ m68k_bsd_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"));
m68kbsd_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"));
}
}