boot1_arch.h

它通过提供glibc兼容使得应用程序移植到较小的c 库时相当得容易. 它能够应用到带虚拟存储的Linux和uClinux上.在大多数带MMU部件的平台上为使它更加紧凑,它也能够编译成共享库.uClib

/*
 * This code fix the stack pointer so that the dunamic linker
 * can find argc, argv and auxvt (Auxillary Vector Table).
 */
asm("\
	.text
	.globl _dl_boot
	.type _dl_boot,@function
_dl_boot:
	move.d $sp,$r10
	move.d $pc,$r9
	add.d _dl_boot2 - ., $r9
	jsr $r9
");

#define _dl_boot _dl_boot2
#define LD_BOOT(X) static void __attribute__ ((unused)) _dl_boot(X)