Introduce new linker for fat ape binaries

libc/nt/ntdllimport.S

@@ -17,6 +17,7 @@
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/nt/enum/status.h"
+#include "libc/dce.h"
 #include "libc/macros.internal.h"
 #ifdef __x86_64__
 
@@ -40,19 +41,25 @@ kNtdllProcRvas:
 	.init.start 202,_init_ntdll
 	push	%r12
 	push	%r13
-	lea	_ntdllmissingno(%rip),%r13
+	lea	__ntdll_not_found(%rip),%r13
 	sub	$32,%rsp
+	xor	%eax,%eax
+	testb	IsWindows()
+	jz	7f
 	loadstr	"ntdll.dll",cx
 	call	*__imp_GetModuleHandleA(%rip)
-	mov	%rax,%r12
+7:	mov	%rax,%r12
 0:	lodsq
 	test	%rax,%rax
 	jz	1f
 	.weak	__executable_start
 	lea	__executable_start(%rax),%rdx
+	xor	%eax,%eax
+	testb	IsWindows()
+	jz	7f
 	mov	%r12,%rcx
 	call	*__imp_GetProcAddress(%rip)
-	test	%rax,%rax
+7:	test	%rax,%rax
 	cmovz	%r13,%rax
 	stosq
 	jmp	0b
@@ -62,9 +69,13 @@ kNtdllProcRvas:
 	.init.end 202,_init_ntdll,globl,hidden
 
 	.text.windows
-_ntdllmissingno:
+	.ftrace1
+__ntdll_not_found:
+	.ftrace2
 	mov	$kNtStatusDllNotFound,%eax
 	ret
 	.previous
 
+	.weak	__hostos
+
 #endif /* __x86_64__ */

libc/nt/pedef.internal.h

@@ -32,10 +32,10 @@
 #define kNtPe32bit 0x010b
 #define kNtPe64bit 0x020b
 
-#define kNtPeSectionCntCode              0x000000020
-#define kNtPeSectionCntInitializedData   0x000000040
-#define kNtPeSectionCntUninitializedData 0x000000080
-#define kNtPeSectionGprel                0x000008000
+#define kNtPeSectionCntCode              0x00000020
+#define kNtPeSectionCntInitializedData   0x00000040
+#define kNtPeSectionCntUninitializedData 0x00000080
+#define kNtPeSectionGprel                0x00008000
 #define kNtPeSectionMemDiscardable       0x02000000
 #define kNtPeSectionMemNotCached         0x04000000
 #define kNtPeSectionMemNotPaged          0x08000000