diff options
Diffstat (limited to 'src/runtime/os_windows_amd64.c')
| -rw-r--r-- | src/runtime/os_windows_amd64.c | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/src/runtime/os_windows_amd64.c b/src/runtime/os_windows_amd64.c deleted file mode 100644 index e4617e4ce..000000000 --- a/src/runtime/os_windows_amd64.c +++ /dev/null @@ -1,150 +0,0 @@ -// Copyright 2011 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -#include "runtime.h" -#include "defs_GOOS_GOARCH.h" -#include "os_GOOS.h" - -void -runtime·dumpregs(Context *r) -{ - runtime·printf("rax %X\n", r->Rax); - runtime·printf("rbx %X\n", r->Rbx); - runtime·printf("rcx %X\n", r->Rcx); - runtime·printf("rdx %X\n", r->Rdx); - runtime·printf("rdi %X\n", r->Rdi); - runtime·printf("rsi %X\n", r->Rsi); - runtime·printf("rbp %X\n", r->Rbp); - runtime·printf("rsp %X\n", r->Rsp); - runtime·printf("r8 %X\n", r->R8 ); - runtime·printf("r9 %X\n", r->R9 ); - runtime·printf("r10 %X\n", r->R10); - runtime·printf("r11 %X\n", r->R11); - runtime·printf("r12 %X\n", r->R12); - runtime·printf("r13 %X\n", r->R13); - runtime·printf("r14 %X\n", r->R14); - runtime·printf("r15 %X\n", r->R15); - runtime·printf("rip %X\n", r->Rip); - runtime·printf("rflags %X\n", r->EFlags); - runtime·printf("cs %X\n", (uint64)r->SegCs); - runtime·printf("fs %X\n", (uint64)r->SegFs); - runtime·printf("gs %X\n", (uint64)r->SegGs); -} - -bool -runtime·isgoexception(ExceptionRecord *info, Context *r) -{ - extern byte runtime·text[], runtime·etext[]; - - // Only handle exception if executing instructions in Go binary - // (not Windows library code). - if(r->Rip < (uint64)runtime·text || (uint64)runtime·etext < r->Rip) - return false; - - if(!runtime·issigpanic(info->ExceptionCode)) - return false; - - return true; -} - -// Called by sigtramp from Windows VEH handler. -// Return value signals whether the exception has been handled (EXCEPTION_CONTINUE_EXECUTION) -// or should be made available to other handlers in the chain (EXCEPTION_CONTINUE_SEARCH). -uint32 -runtime·exceptionhandler(ExceptionRecord *info, Context *r, G *gp) -{ - uintptr *sp; - - if(!runtime·isgoexception(info, r)) - return EXCEPTION_CONTINUE_SEARCH; - - // Make it look like a call to the signal func. - // Have to pass arguments out of band since - // augmenting the stack frame would break - // the unwinding code. - gp->sig = info->ExceptionCode; - gp->sigcode0 = info->ExceptionInformation[0]; - gp->sigcode1 = info->ExceptionInformation[1]; - gp->sigpc = r->Rip; - - // Only push runtime·sigpanic if r->rip != 0. - // If r->rip == 0, probably panicked because of a - // call to a nil func. Not pushing that onto sp will - // make the trace look like a call to runtime·sigpanic instead. - // (Otherwise the trace will end at runtime·sigpanic and we - // won't get to see who faulted.) - if(r->Rip != 0) { - sp = (uintptr*)r->Rsp; - *--sp = r->Rip; - r->Rsp = (uintptr)sp; - } - r->Rip = (uintptr)runtime·sigpanic; - return EXCEPTION_CONTINUE_EXECUTION; -} - -// It seems Windows searches ContinueHandler's list even -// if ExceptionHandler returns EXCEPTION_CONTINUE_EXECUTION. -// firstcontinuehandler will stop that search, -// if exceptionhandler did the same earlier. -uint32 -runtime·firstcontinuehandler(ExceptionRecord *info, Context *r, G *gp) -{ - USED(gp); - if(!runtime·isgoexception(info, r)) - return EXCEPTION_CONTINUE_SEARCH; - return EXCEPTION_CONTINUE_EXECUTION; -} - -// lastcontinuehandler is reached, because runtime cannot handle -// current exception. lastcontinuehandler will print crash info and exit. -uint32 -runtime·lastcontinuehandler(ExceptionRecord *info, Context *r, G *gp) -{ - bool crash; - - if(runtime·panicking) // traceback already printed - runtime·exit(2); - runtime·panicking = 1; - - runtime·printf("Exception %x %p %p %p\n", info->ExceptionCode, - info->ExceptionInformation[0], info->ExceptionInformation[1], r->Rip); - - - runtime·printf("PC=%X\n", r->Rip); - if(g->m->lockedg != nil && g->m->ncgo > 0 && gp == g->m->g0) { - runtime·printf("signal arrived during cgo execution\n"); - gp = g->m->lockedg; - } - runtime·printf("\n"); - - if(runtime·gotraceback(&crash)){ - runtime·tracebacktrap(r->Rip, r->Rsp, 0, gp); - runtime·tracebackothers(gp); - runtime·dumpregs(r); - } - - if(crash) - runtime·crash(); - - runtime·exit(2); - return 0; // not reached -} - -void -runtime·sigenable(uint32 sig) -{ - USED(sig); -} - -void -runtime·sigdisable(uint32 sig) -{ - USED(sig); -} - -void -runtime·dosigprof(Context *r, G *gp, M *mp) -{ - runtime·sigprof((uint8*)r->Rip, (uint8*)r->Rsp, nil, gp, mp); -} |