diff options
Diffstat (limited to 'gdb/gdbserver/linux-low.c')
| -rw-r--r-- | gdb/gdbserver/linux-low.c | 55 |
1 files changed, 44 insertions, 11 deletions
diff --git a/gdb/gdbserver/linux-low.c b/gdb/gdbserver/linux-low.c index 38af9d0..f159244 100644 --- a/gdb/gdbserver/linux-low.c +++ b/gdb/gdbserver/linux-low.c @@ -39,6 +39,7 @@ #include <dirent.h> #include <sys/stat.h> #include <sys/vfs.h> +#include <sys/uio.h> #ifndef ELFMAG0 /* Don't include <linux/elf.h> here. If it got included by gdb_proc_service.h then ELFMAG0 will have been defined. If it didn't get included by @@ -2977,14 +2978,15 @@ regsets_fetch_inferior_registers (struct regcache *regcache) struct regset_info *regset; int saw_general_regs = 0; int pid; + struct iovec iov; regset = target_regsets; pid = lwpid_of (get_thread_lwp (current_inferior)); while (regset->size >= 0) { - void *buf; - int res; + void *buf, *data; + int nt_type, res; if (regset->size == 0 || disabled_regsets[regset - target_regsets]) { @@ -2993,10 +2995,21 @@ regsets_fetch_inferior_registers (struct regcache *regcache) } buf = xmalloc (regset->size); + + nt_type = regset->nt_type; + if (nt_type) + { + iov.iov_base = buf; + iov.iov_len = regset->size; + data = (void *) &iov; + } + else + data = buf; + #ifndef __sparc__ - res = ptrace (regset->get_request, pid, 0, buf); + res = ptrace (regset->get_request, pid, nt_type, data); #else - res = ptrace (regset->get_request, pid, buf, 0); + res = ptrace (regset->get_request, pid, data, nt_type); #endif if (res < 0) { @@ -3034,14 +3047,15 @@ regsets_store_inferior_registers (struct regcache *regcache) struct regset_info *regset; int saw_general_regs = 0; int pid; + struct iovec iov; regset = target_regsets; pid = lwpid_of (get_thread_lwp (current_inferior)); while (regset->size >= 0) { - void *buf; - int res; + void *buf, *data; + int nt_type, res; if (regset->size == 0 || disabled_regsets[regset - target_regsets]) { @@ -3054,10 +3068,21 @@ regsets_store_inferior_registers (struct regcache *regcache) /* First fill the buffer with the current register set contents, in case there are any items in the kernel's regset that are not in gdbserver's regcache. */ + + nt_type = regset->nt_type; + if (nt_type) + { + iov.iov_base = buf; + iov.iov_len = regset->size; + data = (void *) &iov; + } + else + data = buf; + #ifndef __sparc__ - res = ptrace (regset->get_request, pid, 0, buf); + res = ptrace (regset->get_request, pid, nt_type, data); #else - res = ptrace (regset->get_request, pid, buf, 0); + res = ptrace (regset->get_request, pid, &iov, data); #endif if (res == 0) @@ -3067,9 +3092,9 @@ regsets_store_inferior_registers (struct regcache *regcache) /* Only now do we write the register set. */ #ifndef __sparc__ - res = ptrace (regset->set_request, pid, 0, buf); + res = ptrace (regset->set_request, pid, nt_type, data); #else - res = ptrace (regset->set_request, pid, buf, 0); + res = ptrace (regset->set_request, pid, data, nt_type); #endif } @@ -4133,6 +4158,13 @@ linux_core_of_thread (ptid_t ptid) return core; } +static void +linux_process_qsupported (const char *query) +{ + if (the_low_target.process_qsupported != NULL) + the_low_target.process_qsupported (query); +} + static struct target_ops linux_target_ops = { linux_create_inferior, linux_attach, @@ -4176,7 +4208,8 @@ static struct target_ops linux_target_ops = { #else NULL, #endif - linux_core_of_thread + linux_core_of_thread, + linux_process_qsupported }; static void |