X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fos.h;h=7eb58f19c9855e007520d477e0e51b4d31bdc2a5;hb=2b90fd1dbad23322258222a2ef4cef7f6a00831d;hp=145f2e1f9c9bf4873c9e7ed0e272044534d30871;hpb=cf4cb9554515c59eddbde38d1cf236339c37f55f;p=sbcl.git diff --git a/src/runtime/os.h b/src/runtime/os.h index 145f2e1..7eb58f1 100644 --- a/src/runtime/os.h +++ b/src/runtime/os.h @@ -44,11 +44,13 @@ #define OS_VM_PROT_ALL \ (OS_VM_PROT_READ | OS_VM_PROT_WRITE | OS_VM_PROT_EXECUTE) +#define OS_VM_PROT_NONE 0 + extern os_vm_size_t os_vm_page_size; /* Do anything we need to do when starting up the runtime environment * in this OS. */ -extern void os_init(void); +extern void os_init(char *argv[], char *envp[]); /* Install any OS-dependent low-level signal handlers which are needed * by the runtime environment. E.g. the signals raised by a violation @@ -79,9 +81,9 @@ extern void os_invalidate(os_vm_address_t addr, os_vm_size_t len); /* This maps a file into memory, or calls lose(..) for various * failures. */ extern os_vm_address_t os_map(int fd, - int offset, - os_vm_address_t addr, - os_vm_size_t len); + int offset, + os_vm_address_t addr, + os_vm_size_t len); /* This presumably flushes the instruction cache, if that can be done * explicitly. (It doesn't seem to be an issue for the i386 port, @@ -93,8 +95,8 @@ extern void os_flush_icache(os_vm_address_t addr, os_vm_size_t len); * write-protecting a page so that the garbage collector can find out * whether it's modified by handling the signal. */ extern void os_protect(os_vm_address_t addr, - os_vm_size_t len, - os_vm_prot_t protection); + os_vm_size_t len, + os_vm_prot_t protection); /* This returns true for an address which makes sense at the Lisp level. */ extern boolean is_valid_lisp_addr(os_vm_address_t test); @@ -110,7 +112,7 @@ os_context_register_addr(os_context_t *context, int offset); * turns out that the alpha truly requires this, it can change to * ARCH_HAS_FLOAT_REGISTERS (currently #defined in alpha-arch.h -- CSR * 2002-02-04 */ -#ifdef alpha +#ifdef LISP_FEATURE_ALPHA os_context_register_t * os_context_float_register_addr(os_context_t *context, int offset); #endif @@ -138,21 +140,14 @@ sigset_t *os_context_sigmask_addr(os_context_t *context); * depend not only on the OS, but also on the architecture, e.g. * getting at EFL/EFLAGS on the x86. Such things are defined in the * architecture-dependence files, not the OS-dependence files.) */ - + /* These are not architecture-specific functions, but are instead * general utilities defined in terms of the architecture-specific * function os_validate(..) and os_invalidate(..). - * - * FIXME: os_reallocate(..) is complicated and seems no longer to be - * used for anything. Perhaps we could delete it? */ + */ extern os_vm_address_t os_allocate(os_vm_size_t len); -extern os_vm_address_t os_allocate_at(os_vm_address_t addr, os_vm_size_t len); -extern os_vm_address_t os_reallocate(os_vm_address_t addr, - os_vm_size_t old_len, - os_vm_size_t len); extern void os_deallocate(os_vm_address_t addr, os_vm_size_t len); - /* FIXME: The os_trunc_foo(..) and os_round_foo(..) macros here could * be functions. */ @@ -177,4 +172,9 @@ extern void os_deallocate(os_vm_address_t addr, os_vm_size_t len); * to return the value in a way that Lisp can understand. */ int os_get_errno(void); +/* Return an absolute path to the runtime executable, or NULL if this + * information is unavailable. If a non-null pathname is returned, it + * must be 'free'd. */ +extern char *os_get_runtime_executable_path(); + #endif