Mercurial > hg > graal-jvmci-8
changeset 22838:7e2e246df4e9
8069030: support new PTRACE_GETREGSET
Summary: use PTRACE_GETREGSET if other options are not available
Reviewed-by: sla, dholmes
| author | dlong |
|---|---|
| date | Mon, 02 Feb 2015 23:26:33 -0500 |
| parents | 134cdf5e0b8a |
| children | 490b4cb2c0b5 |
| files | agent/src/os/linux/ps_proc.c |
| diffstat | 1 files changed, 11 insertions(+), 0 deletions(-) [+] |
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--- a/agent/src/os/linux/ps_proc.c Thu Mar 13 14:55:34 2014 -0700 +++ b/agent/src/os/linux/ps_proc.c Mon Feb 02 23:26:33 2015 -0500 @@ -27,9 +27,11 @@ #include <string.h> #include <signal.h> #include <errno.h> +#include <elf.h> #include <sys/types.h> #include <sys/wait.h> #include <sys/ptrace.h> +#include <sys/uio.h> #include "libproc_impl.h" #if defined(x86_64) && !defined(amd64) @@ -138,6 +140,15 @@ return false; } return true; +#elif defined(PTRACE_GETREGSET) + struct iovec iov; + iov.iov_base = user; + iov.iov_len = sizeof(*user); + if (ptrace(PTRACE_GETREGSET, pid, NT_PRSTATUS, (void*) &iov) < 0) { + print_debug("ptrace(PTRACE_GETREGSET, ...) failed for lwp %d\n", pid); + return false; + } + return true; #else print_debug("ptrace(PTRACE_GETREGS, ...) not supported\n"); return false;