最后更新2021/01/21
静心研究了小半年，终于把原型验证搞定了，可以在Power Linux上直接运行AIX程序。当然，目前只是实现了POC，还有大量的工程工作。源代码地址：
https://gitee.com/HarryHurryHungry/xcuse
目前尚在技术原型验证阶段，特别是Demo程序中只包含了非常少的库函数和功能支持，例如：
Demo程序源代码（这个不是Demo，是Demo的demo，是测试用的AIX程序源代码）
main.c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main(int argc, char **argv, char **env)
{
int i;
printf("I got argc: %d\n", argc);
for (i=0; i< argc; i++) {
printf("arg %d: %s\n", i, argv[i]);
}
for(i=0; env[i]!=NULL; i++) {
printf(" env[%d]:%s\n", i, env[i]);
}
printf("call result: 55aa\n");
exit(0);
}
gcc -m32 main.c -o aixprintf32
程序执行输出：
[root@ppc64 xcoff]# ./ldxcoff32 ./aixprintf32 abcdef
XCOFF32 Loader for Power Linux
Limited version for POC only
Contact: ensighine@yahoo.com
************* output of program loaded *************
I got argc: 2
arg 0: ./aixprintf32
arg 1: abcdef
env[0]:XDG_SESSION_ID=2
env[1]:HOSTNAME=ppc64
env[2]:TERM=vt220
env[3]:SHELL=/bin/bash
env[4]:HISTSIZE=1000
env[5]:OLDPWD=/home/harry/xcoff/example
env[6]:USER=root
env[7]:LS_COLORS=
env[8]:MAIL=/var/spool/mail/root
env[9]:PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin
env[10]:PWD=/home/harry/xcoff
env[11]:LANG=en_CA.UTF-8
env[12]:HISTCONTROL=ignoredups
env[13]:SHLVL=1
env[14]:HOME=/root
env[15]:LOGNAME=root
env[16]:LESSOPEN=||/usr/bin/lesspipe.sh %s
env[17]:XDG_RUNTIME_DIR=/run/user/0
env[18]:_=./ldxcoff32
call result: 55aa
如果没有Power Linux环境，可以下载qemu和centos自己在x86服务器上创建虚拟机安装，具体过程请参考：https://blog.csdn.net/xxb249/article/details/79608909
[root@ppc64 xcoff]# ./ldxcoff32 ./aixprintf64
XCOFF32 Loader for Power Linux
Limited version for POC only
Contact: ensighine@yahoo.com
step7.c/225/ldxcoff64: can not process xcoff64 member
step7.c/110/main: error, exit
[root@ppc64 example]# ../ldxcoff32 ./grep
XCOFF32 Loader for Power Linux
Limited version for POC only
Contact: ensighine@yahoo.com
resolve.c/103/resolve: can not resolve ___strcmp symbol from imp ifile: /usr/lib/libc.a shr.o
resolve.c/103/resolve: can not resolve ___memset symbol from imp ifile: /usr/lib/libc.a shr.o
resolve.c/103/resolve: can not resolve ___memmove symbol from imp ifile: /usr/lib/libc.a shr.o
resolve.c/103/resolve: can not resolve ___fill symbol from imp ifile: /usr/lib/libc.a shr.o
resolve.c/103/resolve: can not resolve ___strcpy symbol from imp ifile: /usr/lib/libc.a shr.o
resolve.c/103/resolve: can not resolve __lc_charmap symbol from imp ifile: /usr/lib/libc.a shr.o
resolve.c/103/resolve: can not resolve __lc_ctype symbol from imp ifile: /usr/lib/libc.a shr.o
resolve.c/103/resolve: can not resolve __flsbuf symbol from imp ifile: /usr/lib/libc.a shr.o
resolve.c/103/resolve: can not resolve __filbuf symbol from imp ifile: /usr/lib/libc.a shr.o
resolve.c/103/resolve: can not resolve regcomp symbol from imp ifile: /usr/lib/libc.a shr.o
resolve.c/103/resolve: can not resolve regerror symbol from imp ifile: /usr/lib/libc.a shr.o
resolve.c/103/resolve: can not resolve regexec symbol from imp ifile: /usr/lib/libc.a shr.o
resolve.c/197/resolve: there are unresolved symbols: 12
step7.c/176/ldxcoff32: Resolve ./grep error: -12!
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