/* * Copyright (C) 2013 Synopsys, Inc. (www.synopsys.com) * * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB in this tarball. */ #include #include #include ; Save the registers which resolver could possibly clobber ; r0-r9: args to the function - symbol being resolved ; r10-r12 are already clobbered by PLTn, PLT0 thus neednot be saved .macro SAVE_CALLER_SAVED PUSHR_S r0 PUSHR_S r1 PUSHR_S r2 PUSHR_S r3 PUSHR r4 PUSHR r5 PUSHR r6 PUSHR r7 PUSHR r8 PUSHR r9 PUSHR_S blink .endm .macro RESTORE_CALLER_SAVED_BUT_R0 POPR blink POPR r9 POPR r8 POPR r7 POPR r6 POPR r5 POPR r4 POPR_S r3 POPR_S r2 POPR_S r1 .endm ; Upon entry, PLTn, which led us here, sets up the following regs ; r11 = Module info (tpnt pointer as expected by resolver) ; r12 = PC of the PLTn itself - needed by resolver to find ; corresponding .rela.plt entry ENTRY(_dl_linux_resolve) ; args to func being resolved, which resolver might clobber SAVE_CALLER_SAVED mov_s r1, r12 bl.d _dl_linux_resolver mov r0, r11 RESTORE_CALLER_SAVED_BUT_R0 j_s.d [r0] ; r0 has resolved function addr POPR_S r0 ; restore first arg to resolved call END(_dl_linux_resolve)