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

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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.
This commit is contained in:
Kamil Rytarowski
2020-03-19 15:01:27 +01:00
parent 5844b4657a
commit c7da12c72c
2 changed files with 14 additions and 6 deletions
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6
gdb/ChangeLog
View File

@ -1,3 +1,9 @@
2020-03-12 Kamil Rytarowski <n54@gmx.com>
* ppc-nbsd-nat.c (fetch_registers): New variable lwp and pass
it to the ptrace call.
* (store_registers): Likewise.
2020-03-19 Luis Machado <luis.machado@linaro.org> 2020-03-19 Luis Machado <luis.machado@linaro.org>
* nat/aarch64-sve-linux-ptrace.c (aarch64_sve_set_vq): If vg is not * nat/aarch64-sve-linux-ptrace.c (aarch64_sve_set_vq): If vg is not

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

@ -91,12 +91,13 @@ ppc_nbsd_nat_target::fetch_registers (struct regcache *regcache, int regnum)
{ {
struct gdbarch *gdbarch = regcache->arch (); struct gdbarch *gdbarch = regcache->arch ();
pid_t pid = regcache->ptid ().pid (); pid_t pid = regcache->ptid ().pid ();
int lwp = regcache->ptid ().lwp ();
if (regnum == -1 || getregs_supplies (gdbarch, regnum)) if (regnum == -1 || getregs_supplies (gdbarch, regnum))
{ {
struct reg regs; 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")); perror_with_name (_("Couldn't get registers"));
ppc_supply_gregset (&ppcnbsd_gregset, regcache, ppc_supply_gregset (&ppcnbsd_gregset, regcache,
@ -107,7 +108,7 @@ ppc_nbsd_nat_target::fetch_registers (struct regcache *regcache, int regnum)
{ {
struct fpreg fpregs; 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")); perror_with_name (_("Couldn't get FP registers"));
ppc_supply_fpregset (&ppcnbsd_fpregset, regcache, 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 (); struct gdbarch *gdbarch = regcache->arch ();
pid_t pid = regcache->ptid ().pid (); pid_t pid = regcache->ptid ().pid ();
int lwp = regcache->ptid ().lwp ();
if (regnum == -1 || getregs_supplies (gdbarch, regnum)) if (regnum == -1 || getregs_supplies (gdbarch, regnum))
{ {
struct reg regs; 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")); perror_with_name (_("Couldn't get registers"));
ppc_collect_gregset (&ppcnbsd_gregset, regcache, ppc_collect_gregset (&ppcnbsd_gregset, regcache,
regnum, &regs, sizeof regs); regnum, &regs, sizeof regs);
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")); 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; 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")); perror_with_name (_("Couldn't get FP registers"));
ppc_collect_fpregset (&ppcnbsd_fpregset, regcache, ppc_collect_fpregset (&ppcnbsd_fpregset, regcache,
regnum, &fpregs, sizeof fpregs); 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")); perror_with_name (_("Couldn't set FP registers"));
} }
} }