diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | sysdeps/aarch64/start.S | 13 |
2 files changed, 16 insertions, 2 deletions
@@ -1,3 +1,8 @@ +2018-01-12 Szabolcs Nagy <szabolcs.nagy@arm.com> + + * aarch64/start.S (_start): Use __wrap_main. + (__wrap_main): New local symbol. + 2018-01-12 Dmitry V. Levin <ldv@altlinux.org> [BZ #22679] diff --git a/sysdeps/aarch64/start.S b/sysdeps/aarch64/start.S index 9f3b418..bad000f 100644 --- a/sysdeps/aarch64/start.S +++ b/sysdeps/aarch64/start.S @@ -71,8 +71,8 @@ _start: adrp x4, :got:__libc_csu_fini ldr PTR_REG (4), [x4, #:got_lo12:__libc_csu_fini] # else - adrp x0, main - add x0, x0, :lo12:main + adrp x0, __wrap_main + add x0, x0, :lo12:__wrap_main adrp x3, __libc_csu_init add x3, x3, :lo12:__libc_csu_init adrp x4, __libc_csu_fini @@ -94,6 +94,15 @@ _start: /* should never get here....*/ bl abort +#if defined PIC && !defined SHARED + /* When main is not defined in the executable but in a shared library + then a wrapper is needed in crt1.o of the static-pie enabled libc, + because crt1.o and rcrt1.o share code and the later must avoid the + use of GOT relocations before __libc_start_main is called. */ +__wrap_main: + b main +#endif + /* Define a symbol for the first piece of initialized data. */ .data .globl __data_start |