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nuttx/libs/libc
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Marco Casaroli 1a18646375 libs/libc/elf: Lay out the PLT of an FDPIC module as the linker expects. 
gnu-elf.ld.in named neither .rel.plt nor .got.plt, and the linker placed
them where its FDPIC code does not expect them.

It merged .rel.plt into .rel.dyn but still set DT_JMPREL as if .rel.plt
came last, so the loader bound each PLT slot with the symbol of another
relocation.  And .got.plt came after .got: the offsets that the linker
gave the local function descriptors did not match where it put them, and
the first call through one jumped into data.

A module without a PLT has neither section, so neither problem showed
until a module called its imports through a PLT.

Give .rel.dyn and .rel.plt output sections of their own, and put .got.plt
first in .got, both as in the linker's own script.  Only CONFIG_FDPIC
changes.

Assisted-by: Claude Code:claude-opus-5-5
Signed-off-by: Marco Casaroli <marco.casaroli@gmail.com>
2026-10-07 11:45:09 -03:00
..
aio libc/aio: loop in aio_suspend() until a listed request completes 2026-09-14 17:12:49 -03:00
assert lib_stackchk.c: a duplicate implementation error reported during compilation 2026-02-02 13:22:07 +08:00
audio include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
builtin libc/builtin: support per-application priority/stacksize under KERNEL build. 2026-07-13 15:23:39 -03:00
ctype
dirent libs/libc/dirent: Add a blank line after a declaration. 2026-09-25 10:46:48 -03:00
dlfcn libc/dlfcn: Count opens so a library can be shared. 2026-08-04 11:12:49 -03:00
elf libs/libc/elf: Lay out the PLT of an FDPIC module as the linker expects. 2026-10-07 11:45:09 -03:00
errno
eventfd
fdt cmake: Use NUTTX(_DIR/_BIN_DIR) instead CMAKE(_SRC_DIR/_BIN_DIR) 2026-08-09 11:13:08 -03:00
fixedmath !compiler: drop CONFIG_HAVE_LONG_LONG and require long long support 2026-05-19 16:21:28 +08:00
gdbstub
gnssutils cmake: Use NUTTX(_DIR/_BIN_DIR) instead CMAKE(_SRC_DIR/_BIN_DIR) 2026-08-09 11:13:08 -03:00
grp libs/libc/grp: fix getgrbuf_r() pointer-alignment padding 2026-08-14 10:20:52 +08:00
hex2bin include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
inttypes !compiler: drop CONFIG_HAVE_LONG_LONG and require long long support 2026-05-19 16:21:28 +08:00
libgen
locale
lzf !compiler: drop CONFIG_HAVE_LONG_LONG and require long long support 2026-05-19 16:21:28 +08:00
machine libs/libc/elf: Load the libraries a module names in DT_NEEDED. 2026-10-06 17:48:49 -03:00
misc libs/libc: Define the NXFLAT ABI marker in libc. 2026-09-28 16:45:48 -03:00
net include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
netdb libs/libc/netdb: Size an answer header by its header, not by its union. 2026-08-08 15:02:15 -03:00
obstack include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
pthread libc, sched: Resolve FDPIC descriptors at module callback entry points. 2026-09-25 10:46:48 -03:00
pwd sched: add supplementary group IDs (setgroups/getgroups/initgroups) 2026-08-12 16:06:03 -03:00
queue
regex
sched include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
search
semaphore sched/semaphore: Correct the return value comment of nxsem_init/nxmutex_init 2026-09-25 10:37:43 +02:00
signal signal: Inline nxsig_addset(), nxsig_delset() and nxsig_ismember(). 2026-10-06 17:45:52 -03:00
spawn spawn: allow zero stacksize/priority to use binary loader defaults 2026-07-15 12:24:44 -03:00
stdio libc/stdio: allocate a buffer in getdelim() when *lineptr is NULL 2026-09-23 12:52:09 +08:00
stdlib libc, sched: Resolve FDPIC descriptors at module callback entry points. 2026-09-25 10:46:48 -03:00
stream libc/stream: Check lowout bounds before access 2026-07-06 09:02:22 +02:00
string libs/libc/string: Copy and compare by words when pointers agree on alignment. 2026-08-24 12:02:02 +08:00
symtab libs/libc/symtab: fix bogus symbol size under SYMTAB_ORDEREDBYNAME 2026-08-05 21:51:25 +08:00
syslog
termios libc/termios: Fix the ttyname_r buffer overflow with long tty paths. 2026-10-05 18:42:52 +08:00
time libc/time: Fix POSIX timezone string parsing. 2026-07-25 19:54:18 +08:00
tls libc/tls: update preprocessor condition comment to match implementation 2026-01-31 02:49:10 +08:00
uio
unistd fs/aio: add configurable AIO_LISTIO_MAX limit 2026-09-14 17:12:49 -03:00
userfs include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
uuid
wchar
wctype
wqueue libc/wqueue: use the uninterruptible wait helper 2026-09-04 23:02:48 +08:00
zoneinfo tools: fix stale archive members surviving a Kconfig-driven CSRCS change 2026-07-28 21:26:03 -03:00
.gitignore
CMakeLists.txt
Kconfig
libc.csv sched/pthread: Implement pthread_sigqueue 2026-09-21 14:53:26 +08:00
libc.h libs/libc/string: Copy and compare by words when pointers agree on alignment. 2026-08-24 12:02:02 +08:00
limits_check.c libs/libc: add limits checks 2026-07-02 09:02:21 -03:00
Makefile tools: fix stale archive members surviving a Kconfig-driven CSRCS change 2026-07-28 21:26:03 -03:00