FRAME_A2
tf->tf_regs[FRAME_A2] = (uint64_t)&fp->sf_sc;
DBREG(a2, FRAME_A2),
FRAME_A2,
gdb_regs[KGDB_REG_A2 ] = regs->tf_regs[FRAME_A2];
regs->tf_regs[FRAME_A2 ] = gdb_regs[KGDB_REG_A2];
copyargs[2] = framep->tf_regs[FRAME_A2];
copyargs[2] = framep->tf_regs[FRAME_A2];
regp->r_regs[R_A2] = framep->tf_regs[FRAME_A2];
framep->tf_regs[FRAME_A2] = regp->r_regs[R_A2];
tf->tf_regs[FRAME_A2] = (uint64_t)&fp->sf_uc;
tfp->tf_regs[FRAME_A2] = 0; /* a2 = rtld object */
copyargs[2] = tf->tf_regs[FRAME_A2];
FRAME_A0, FRAME_A1, FRAME_A2, FRAME_A3,
sigframe.uc.uc_mcontext.sc_traparg_a2 = tf->tf_regs[FRAME_A2];
tf->tf_regs[FRAME_A2] = (unsigned long)&sfp->uc;
sigframe.sf_sc.sc_traparg_a2 = tf->tf_regs[FRAME_A2];
tf->tf_regs[FRAME_A2] = (unsigned long)&sfp->sf_sc;