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authorKamil Rytarowski <n54@gmx.com>2020-03-14 16:36:16 +0100
committerKamil Rytarowski <n54@gmx.com>2020-03-14 16:36:16 +0100
commit6def66f1404e58b376655f6fb622aeb9dfc0f587 (patch)
treeee219da32e9c9316de73325e1b89c4bcd4684d17 /gdb/alpha-bsd-nat.c
parent66eaca97ebd0f1b456ffe158fce73bafcce561bb (diff)
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Add support for NetBSD threads in alpha-bsd-nat.c
NetBSD ptrace(2) accepts thread id (LWP) as the 4th argument for threads. gdb/ChangeLog: * alpha-bsd-nat.c (fetch_registers): New variable lwp and pass it to the ptrace call. * alpha-bsd-nat.c (store_registers): Likewise.
Diffstat (limited to 'gdb/alpha-bsd-nat.c')
-rw-r--r--gdb/alpha-bsd-nat.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/gdb/alpha-bsd-nat.c b/gdb/alpha-bsd-nat.c
index 4b14cfe..8a82739 100644
--- a/gdb/alpha-bsd-nat.c
+++ b/gdb/alpha-bsd-nat.c
@@ -55,12 +55,14 @@ getregs_supplies (int regno)
void
alpha_bsd_nat_target::fetch_registers (struct regcache *regcache, int regno)
{
+ int lwp = regcache->ptid ().lwp ();
+
if (regno == -1 || getregs_supplies (regno))
{
struct reg gregs;
if (ptrace (PT_GETREGS, regcache->ptid ().pid (),
- (PTRACE_TYPE_ARG3) &gregs, 0) == -1)
+ (PTRACE_TYPE_ARG3) &gregs, lwp) == -1)
perror_with_name (_("Couldn't get registers"));
alphabsd_supply_reg (regcache, (char *) &gregs, regno);
@@ -74,7 +76,7 @@ alpha_bsd_nat_target::fetch_registers (struct regcache *regcache, int regno)
struct fpreg fpregs;
if (ptrace (PT_GETFPREGS, regcache->ptid ().pid (),
- (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
+ (PTRACE_TYPE_ARG3) &fpregs, lwp) == -1)
perror_with_name (_("Couldn't get floating point status"));
alphabsd_supply_fpreg (regcache, (char *) &fpregs, regno);
@@ -87,17 +89,19 @@ alpha_bsd_nat_target::fetch_registers (struct regcache *regcache, int regno)
void
alpha_bsd_nat_target::store_registers (struct regcache *regcache, int regno)
{
+ int lwp = regcache->ptid ().lwp ();
+
if (regno == -1 || getregs_supplies (regno))
{
struct reg gregs;
if (ptrace (PT_GETREGS, regcache->ptid ().pid (),
- (PTRACE_TYPE_ARG3) &gregs, 0) == -1)
+ (PTRACE_TYPE_ARG3) &gregs, lwp) == -1)
perror_with_name (_("Couldn't get registers"));
alphabsd_fill_reg (regcache, (char *) &gregs, regno);
if (ptrace (PT_SETREGS, regcache->ptid ().pid (),
- (PTRACE_TYPE_ARG3) &gregs, 0) == -1)
+ (PTRACE_TYPE_ARG3) &gregs, lwp) == -1)
perror_with_name (_("Couldn't write registers"));
if (regno != -1)
@@ -110,13 +114,13 @@ alpha_bsd_nat_target::store_registers (struct regcache *regcache, int regno)
struct fpreg fpregs;
if (ptrace (PT_GETFPREGS, regcache->ptid ().pid (),
- (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
+ (PTRACE_TYPE_ARG3) &fpregs, lwp) == -1)
perror_with_name (_("Couldn't get floating point status"));
alphabsd_fill_fpreg (regcache, (char *) &fpregs, regno);
if (ptrace (PT_SETFPREGS, regcache->ptid ().pid (),
- (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
+ (PTRACE_TYPE_ARG3) &fpregs, lwp) == -1)
perror_with_name (_("Couldn't write floating point status"));
}
}