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/* Function to access r_debug structure. MIPS specific version.
Copyright (C) 2022-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifdef EW_
/* Return the offset of the struct r_debug before relocation. */
static inline EW(Addr)
E(r_debug_offset) (EW(Dyn) *d, int fd, EW(Addr) offset)
{
switch (d->d_tag)
{
case DT_MIPS_RLD_MAP_REL:
offset += d->d_un.d_val;
break;
case DT_MIPS_RLD_MAP:
offset = d->d_un.d_ptr;
break;
default:
return 0;
}
if (pread (fd, &offset, sizeof (offset), offset) != sizeof (offset))
return 0;
return offset;
}
#else
/* Return the address of the struct r_debug after relocation. */
static inline EW(Addr)
E(r_debug_address) (EW(Dyn) *d)
{
EW(Addr) ptr;
switch (d->d_tag)
{
case DT_MIPS_RLD_MAP_REL:
ptr = ((EW(Addr)) d) + d->d_un.d_val;
break;
case DT_MIPS_RLD_MAP:
ptr = d->d_un.d_ptr;
break;
default:
return 0;
}
return *(EW(Addr) *) ptr;
}
#endif
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