equal
deleted
inserted
replaced
150 |
150 |
151 //////////////////////////////////////////////////////////////////////////////// |
151 //////////////////////////////////////////////////////////////////////////////// |
152 // utility functions |
152 // utility functions |
153 |
153 |
154 static int SR_initialize(); |
154 static int SR_initialize(); |
155 static int SR_finalize(); |
|
156 |
155 |
157 julong os::available_memory() { |
156 julong os::available_memory() { |
158 return Bsd::available_memory(); |
157 return Bsd::available_memory(); |
159 } |
158 } |
160 |
159 |
2781 // Save signal flag |
2780 // Save signal flag |
2782 os::Bsd::set_our_sigflags(SR_signum, act.sa_flags); |
2781 os::Bsd::set_our_sigflags(SR_signum, act.sa_flags); |
2783 return 0; |
2782 return 0; |
2784 } |
2783 } |
2785 |
2784 |
2786 static int SR_finalize() { |
|
2787 return 0; |
|
2788 } |
|
2789 |
|
2790 |
2785 |
2791 // returns true on success and false on error - really an error is fatal |
2786 // returns true on success and false on error - really an error is fatal |
2792 // but this seems the normal response to library errors |
2787 // but this seems the normal response to library errors |
2793 static bool do_suspend(OSThread* osthread) { |
2788 static bool do_suspend(OSThread* osthread) { |
2794 // mark as suspended and send signal |
2789 // mark as suspended and send signal |
3593 } |
3588 } |
3594 |
3589 |
3595 //////////////////////////////////////////////////////////////////////////////// |
3590 //////////////////////////////////////////////////////////////////////////////// |
3596 // debug support |
3591 // debug support |
3597 |
3592 |
3598 static address same_page(address x, address y) { |
|
3599 int page_bits = -os::vm_page_size(); |
|
3600 if ((intptr_t(x) & page_bits) == (intptr_t(y) & page_bits)) |
|
3601 return x; |
|
3602 else if (x > y) |
|
3603 return (address)(intptr_t(y) | ~page_bits) + 1; |
|
3604 else |
|
3605 return (address)(intptr_t(y) & page_bits); |
|
3606 } |
|
3607 |
|
3608 bool os::find(address addr, outputStream* st) { |
3593 bool os::find(address addr, outputStream* st) { |
3609 Dl_info dlinfo; |
3594 Dl_info dlinfo; |
3610 memset(&dlinfo, 0, sizeof(dlinfo)); |
3595 memset(&dlinfo, 0, sizeof(dlinfo)); |
3611 if (dladdr(addr, &dlinfo)) { |
3596 if (dladdr(addr, &dlinfo)) { |
3612 st->print(PTR_FORMAT ": ", addr); |
3597 st->print(PTR_FORMAT ": ", addr); |
3626 } |
3611 } |
3627 st->cr(); |
3612 st->cr(); |
3628 |
3613 |
3629 if (Verbose) { |
3614 if (Verbose) { |
3630 // decode some bytes around the PC |
3615 // decode some bytes around the PC |
3631 address begin = same_page(addr-40, addr); |
3616 address begin = clamp_address_in_page(addr-40, addr, os::vm_page_size()); |
3632 address end = same_page(addr+40, addr); |
3617 address end = clamp_address_in_page(addr+40, addr, os::vm_page_size()); |
3633 address lowest = (address) dlinfo.dli_sname; |
3618 address lowest = (address) dlinfo.dli_sname; |
3634 if (!lowest) lowest = (address) dlinfo.dli_fbase; |
3619 if (!lowest) lowest = (address) dlinfo.dli_fbase; |
3635 if (begin < lowest) begin = lowest; |
3620 if (begin < lowest) begin = lowest; |
3636 Dl_info dlinfo2; |
3621 Dl_info dlinfo2; |
3637 if (dladdr(end, &dlinfo2) && dlinfo2.dli_saddr != dlinfo.dli_saddr |
3622 if (dladdr(end, &dlinfo2) && dlinfo2.dli_saddr != dlinfo.dli_saddr |