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nuttx/libs/libc/elf
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Marco Casaroli 4db7594eb6 libs/libc/elf: Read the dynamic relocations at their file offset. 
DT_REL and DT_JMPREL hold the link-time address of their table, and the
loader read the table at that value as a file offset.  The two are equal
only when the segment that holds it starts at file offset 0.  An object
linked with its text at file offset 0x1000, as the tree's gnu-elf.ld does,
had its relocations read from padding, so none were applied and the
module called through unrelocated pointers.

Translate the address through the PT_LOAD headers first.

Assisted-by: Claude Code:claude-opus-5-5
Signed-off-by: Marco Casaroli <marco.casaroli@gmail.com>
2026-09-30 13:40:02 -03:00
..
CMakeLists.txt cmake: Use NUTTX(_DIR/_BIN_DIR) instead CMAKE(_SRC_DIR/_BIN_DIR) 2026-08-09 11:13:08 -03:00
elf.h libs/libc/elf: Place an FDPIC object's segments independently. 2026-09-08 16:31:16 -03:00
elf_addrenv.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
elf_bind.c libs/libc/elf: Read the dynamic relocations at their file offset. 2026-09-30 13:40:02 -03:00
elf_depend.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
elf_gethandle.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
elf_getsymbol.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
elf_globals.S libc/elf: rename modlib to libelf 2025-04-11 09:43:22 +08:00
elf_init.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
elf_insert.c binfmt/elf: Load FDPIC modules through the ELF loader. 2026-09-26 11:13:30 -03:00
elf_iobuffer.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
elf_load.c libs/libc/elf: Load an FDPIC object's data into the data heap. 2026-09-30 13:39:45 -03:00
elf_loadhdrs.c libs/libc/elf: Place an FDPIC object's segments independently. 2026-09-08 16:31:16 -03:00
elf_read.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
elf_registry.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
elf_remove.c libs/libc/elf: Load an FDPIC object's data into the data heap. 2026-09-30 13:39:45 -03:00
elf_sections.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
elf_symbols.c libs/libc/elf, binfmt: Describe the GOT by base and size, not by index. 2026-09-08 16:31:16 -03:00
elf_symtab.c libc/elf: rename modlib to libelf 2025-04-11 09:43:22 +08:00
elf_uninit.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
elf_unload.c libs/libc/elf: Load an FDPIC object's data into the data heap. 2026-09-30 13:39:45 -03:00
elf_verify.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
gnu-elf.ld.in libs/libc/elf: Link a kernel-build program the way the loader loads it. 2026-09-26 11:13:57 -03:00
Kconfig libc/elf: rename modlib to libelf 2025-04-11 09:43:22 +08:00
Make.defs libc/elf: rename modlib to libelf 2025-04-11 09:43:22 +08:00
Makefile libc/elf: rename modlib to libelf 2025-04-11 09:43:22 +08:00