diff options
Diffstat (limited to 'libc/sysdeps/linux')
| -rw-r--r-- | libc/sysdeps/linux/sh/crt1.S | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/libc/sysdeps/linux/sh/crt1.S b/libc/sysdeps/linux/sh/crt1.S index fc0ce355d..1c3c54447 100644 --- a/libc/sysdeps/linux/sh/crt1.S +++ b/libc/sysdeps/linux/sh/crt1.S @@ -24,6 +24,11 @@ At this entry point, most registers' values are unspecified, except: + r4 Contains a function pointer to be registered with `atexit'. + This is how the dynamic linker arranges to have DT_FINI + functions called for shared libraries that have been loaded + before this code runs. + sp The stack contains the arguments and environment: 0(sp) argc 4(sp) argv[0] @@ -48,7 +53,8 @@ _start: mov.l @r15+,r5 mov r15, r6 - /* Push the fini func onto the stack */ + /* Push the stack_end, rtld_fini and fini func onto the stack */ + mov.l r6,@-r15 mov.l r4,@-r15 mov.l L_fini,r0 mov.l r0,@-r15 @@ -57,7 +63,7 @@ _start: mov.l L_main,r4 mov.l L_init,r7 - /* __uClibc_main (main, argc, argv, init, fini) */ + /* __uClibc_main (main, argc, argv, init, fini, rtld_fini, stack_end) */ /* Let the libc call main and exit with its return code. */ mov.l L_uClibc_main,r1 |