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Add support for threads in vax_bsd_nat_target 

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

gdb/ChangeLog:

	* vax-bsd-nat.c (vaxbsd_supply_gregset): New variable lwp and pass
	it to the ptrace call.
	* vax-bsd-nat.c (vaxbsd_collect_gregset): Likewise.
This commit is contained in:
Kamil Rytarowski 2020-03-14 13:38:30 +01:00
parent 1275307303
commit 6227b330d5
2 changed files with 13 additions and 4 deletions
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9
gdb/ChangeLog
View File

@ -1,6 +1,13 @@
2020-03-14 Kamil Rytarowski <n54@gmx.com>
* vax-bsd-nat.c (vaxbsd_supply_gregset): Cast gregs to const gdb_byte *.
* vax-bsd-nat.c (vaxbsd_supply_gregset): New variable lwp and pass
it to the ptrace call.
* vax-bsd-nat.c (vaxbsd_collect_gregset): Likewise.
2020-03-14 Kamil Rytarowski <n54@gmx.com>
* vax-bsd-nat.c (vaxbsd_supply_gregset): Cast gregs to const
gdb_byte *.
* vax-bsd-nat.c (vaxbsd_collect_gregset): Cast gregs to void *.
2020-03-14 Kamil Rytarowski <n54@gmx.com>

8
gdb/vax-bsd-nat.c
View File

@ -78,8 +78,9 @@ vax_bsd_nat_target::fetch_registers (struct regcache *regcache, int regnum)
{
struct reg regs;
pid_t pid = regcache->ptid ().pid ();
int lwp = regcache->ptid ().lwp ();
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"));
vaxbsd_supply_gregset (regcache, &regs);
@ -93,13 +94,14 @@ vax_bsd_nat_target::store_registers (struct regcache *regcache, int regnum)
{
struct reg regs;
pid_t pid = regcache->ptid ().pid ();
int lwp = regcache->ptid ().lwp ();
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"));
vaxbsd_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"));
}