echo one > out echo two > out
Q: How does the shell implement "&"?
Q: What if a background process exits while sh waits for a foreground process?
Exercise 1 - try - leal sample code
在 c function 到 inline asm 前會先push 在 list of clobbered registers 有的 register離開 inline asm 時,會在pop回來
linker script 描述semgnet
http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/4/html/Using_ld_the_GNU_Linker/phdrs.html
ELF參考
http://www.acsu.buffalo.edu/~charngda/elf.html
2012/3/14 wayling <wayl...@gmail.com>: