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author | Kamil Rytarowski <n54@gmx.com> | 2020-03-14 16:36:16 +0100 |
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committer | Kamil Rytarowski <n54@gmx.com> | 2020-03-14 16:36:16 +0100 |
commit | 6def66f1404e58b376655f6fb622aeb9dfc0f587 (patch) | |
tree | ee219da32e9c9316de73325e1b89c4bcd4684d17 | |
parent | 66eaca97ebd0f1b456ffe158fce73bafcce561bb (diff) | |
download | binutils-6def66f1404e58b376655f6fb622aeb9dfc0f587.zip binutils-6def66f1404e58b376655f6fb622aeb9dfc0f587.tar.gz binutils-6def66f1404e58b376655f6fb622aeb9dfc0f587.tar.bz2 |
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.
-rw-r--r-- | gdb/ChangeLog | 6 | ||||
-rw-r--r-- | gdb/alpha-bsd-nat.c | 16 |
2 files changed, 16 insertions, 6 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 89f4363..e4b4e68 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,11 @@ 2020-03-14 Kamil Rytarowski <n54@gmx.com> + * alpha-bsd-nat.c (fetch_registers): New variable lwp and pass + it to the ptrace call. + * alpha-bsd-nat.c (store_registers): Likewise. + +2020-03-14 Kamil Rytarowski <n54@gmx.com> + * alpha-bsd-nat.c: Remove <sys/procfs.h> and "gregset.h" from includes. * alpha-bsd-nat.c (gregset_t, fpregset_t): Remove. 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")); } } |