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comparison agent/src/os/linux/ps_proc.c @ 22838:7e2e246df4e9

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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 f2512d89ad0c
children d06b64fc150f
comparison
equal deleted inserted replaced
22837:134cdf5e0b8a 22838:7e2e246df4e9
25 #include <stdio.h> 25 #include <stdio.h>
26 #include <stdlib.h> 26 #include <stdlib.h>
27 #include <string.h> 27 #include <string.h>
28 #include <signal.h> 28 #include <signal.h>
29 #include <errno.h> 29 #include <errno.h>
30 #include <elf.h>
30 #include <sys/types.h> 31 #include <sys/types.h>
31 #include <sys/wait.h> 32 #include <sys/wait.h>
32 #include <sys/ptrace.h> 33 #include <sys/ptrace.h>
34 #include <sys/uio.h>
33 #include "libproc_impl.h" 35 #include "libproc_impl.h"
34 36
35 #if defined(x86_64) && !defined(amd64) 37 #if defined(x86_64) && !defined(amd64)
36 #define amd64 1 38 #define amd64 1
37 #endif 39 #endif
133 #endif 135 #endif
134 136
135 #ifdef PTRACE_GETREGS_REQ 137 #ifdef PTRACE_GETREGS_REQ
136 if (ptrace_getregs(PTRACE_GETREGS_REQ, pid, user, NULL) < 0) { 138 if (ptrace_getregs(PTRACE_GETREGS_REQ, pid, user, NULL) < 0) {
137 print_debug("ptrace(PTRACE_GETREGS, ...) failed for lwp %d\n", pid); 139 print_debug("ptrace(PTRACE_GETREGS, ...) failed for lwp %d\n", pid);
140 return false;
141 }
142 return true;
143 #elif defined(PTRACE_GETREGSET)
144 struct iovec iov;
145 iov.iov_base = user;
146 iov.iov_len = sizeof(*user);
147 if (ptrace(PTRACE_GETREGSET, pid, NT_PRSTATUS, (void*) &iov) < 0) {
148 print_debug("ptrace(PTRACE_GETREGSET, ...) failed for lwp %d\n", pid);
138 return false; 149 return false;
139 } 150 }
140 return true; 151 return true;
141 #else 152 #else
142 print_debug("ptrace(PTRACE_GETREGS, ...) not supported\n"); 153 print_debug("ptrace(PTRACE_GETREGS, ...) not supported\n");