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65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/* Function to access r_debug structure. MIPS specific version.
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Copyright (C) 2022-2025 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifdef EW_
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/* Return the offset of the struct r_debug before relocation. */
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static inline EW(Addr)
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E(r_debug_offset) (EW(Dyn) *d, int fd, EW(Addr) offset)
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{
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switch (d->d_tag)
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{
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case DT_MIPS_RLD_MAP_REL:
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offset += d->d_un.d_val;
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break;
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case DT_MIPS_RLD_MAP:
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offset = d->d_un.d_ptr;
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break;
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default:
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return 0;
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}
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if (pread (fd, &offset, sizeof (offset), offset) != sizeof (offset))
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return 0;
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return offset;
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}
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#else
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/* Return the address of the struct r_debug after relocation. */
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static inline EW(Addr)
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E(r_debug_address) (EW(Dyn) *d)
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{
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EW(Addr) ptr;
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switch (d->d_tag)
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{
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case DT_MIPS_RLD_MAP_REL:
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ptr = ((EW(Addr)) d) + d->d_un.d_val;
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break;
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case DT_MIPS_RLD_MAP:
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ptr = d->d_un.d_ptr;
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break;
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default:
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return 0;
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}
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return *(EW(Addr) *) ptr;
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}
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#endif
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