X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fx86-linux-os.c;h=7d42968b5386e5454e9990e6c54175d712f2a80d;hb=4ed3f0d08c3a57a6762018d9622f253ab9d0f2b6;hp=f02ea8d79612c995391c8344ad934e313b45c134;hpb=421c1e5fba9f89bd137d2f407ff86100b2f88cef;p=sbcl.git diff --git a/src/runtime/x86-linux-os.c b/src/runtime/x86-linux-os.c index f02ea8d..7d42968 100644 --- a/src/runtime/x86-linux-os.c +++ b/src/runtime/x86-linux-os.c @@ -51,9 +51,8 @@ size_t os_vm_page_size; u32 local_ldt_copy[LDT_ENTRIES*LDT_ENTRY_SIZE/sizeof(u32)]; -/* XXX this could be conditionally compiled based on some - * "debug-friendly" flag. But it doesn't really make stuff slower, - * just the runtime gets fractionally larger */ +/* This is never actually called, but it's great for calling from gdb when + * users have thread-related problems that maintainers can't duplicate */ void debug_get_ldt() { @@ -113,21 +112,6 @@ int arch_os_thread_init(struct thread *thread) { return 1; } -/* if you can't do something like this (maybe because you're using a - * register for thread base that is only available in Lisp code) - * you'll just have to find_thread_by_pid(getpid()) - */ -struct thread *arch_os_get_current_thread() { -#ifdef LISP_FEATURE_SB_THREAD - register struct thread *me=0; - if(all_threads) - __asm__ __volatile__ ("movl %%fs:%c1,%0" : "=r" (me) - : "i" (offsetof (struct thread,this))); - return me; -#else - return all_threads; -#endif -} struct thread *debug_get_fs() { register u32 fs; __asm__ __volatile__ ("movl %%fs,%0" : "=r" (fs) : ); @@ -166,14 +150,14 @@ os_context_register_t * os_context_register_addr(os_context_t *context, int offset) { switch(offset) { - case 0: return &context->uc_mcontext.gregs[11]; /* EAX */ - case 2: return &context->uc_mcontext.gregs[10]; /* ECX */ - case 4: return &context->uc_mcontext.gregs[9]; /* EDX */ - case 6: return &context->uc_mcontext.gregs[8]; /* EBX */ - case 8: return &context->uc_mcontext.gregs[7]; /* ESP */ - case 10: return &context->uc_mcontext.gregs[6]; /* EBP */ - case 12: return &context->uc_mcontext.gregs[5]; /* ESI */ - case 14: return &context->uc_mcontext.gregs[4]; /* EDI */ + case reg_EAX: return &context->uc_mcontext.gregs[11]; + case reg_ECX: return &context->uc_mcontext.gregs[10]; + case reg_EDX: return &context->uc_mcontext.gregs[9]; + case reg_EBX: return &context->uc_mcontext.gregs[8]; + case reg_ESP: return &context->uc_mcontext.gregs[7]; + case reg_EBP: return &context->uc_mcontext.gregs[6]; + case reg_ESI: return &context->uc_mcontext.gregs[5]; + case reg_EDI: return &context->uc_mcontext.gregs[4]; default: return 0; } return &context->uc_mcontext.gregs[offset];