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Benjamin Drung b0cc81e870 ld: Support percent-encoded JSON in --package-metadata
Specifying the compiler flag `-Wl,--package-metadata=<JSON>` will not
work in case the JSON contains a comma, because compiler drivers eat
commas. Example:

```
$ echo "void main() { }" > test.c
$ gcc '-Wl,--package-metadata={"type":"deb","os":"ubuntu"}' test.c
/usr/bin/ld: cannot find "os":"ubuntu"}: No such file or directory
collect2: error: ld returned 1 exit status
```

The quotation marks in the JSON value do not work well with shell nor
make. Specifying the `--package-metadata` linker flag in a `LDFLAGS`
environment variable might loose its quotation marks when it hits the
final compiler call.

So support percent-encoded and %[string] encoded JSON data in the
`--package-metadata` linker flag. Percent-encoding is used because it is
a standard, simple to implement, and does take too many additional
characters. %[string] encoding is supported for having a more readable
encoding.

Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=32003
Bug-Ubutru: https://bugs.launchpad.net/bugs/2071468
Signed-off-by: Benjamin Drung <benjamin.drung@canonical.com>
2024-11-18 11:38:25 +01:00
bfd ELF: SHF_STRINGS isn't really tied to SHF_MERGE 2024-11-18 11:36:57 +01:00
binutils gas/ELF: also reject merge entity size being zero 2024-11-18 11:35:57 +01:00
config
contrib
cpu
elfcpp
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gas gas: move had_errors() invocation in finishing of subsegs 2024-11-18 11:37:31 +01:00
gdb [gdb] Fix some typos 2024-11-18 09:46:31 +01:00
gdbserver gdbserver: pass osabi to GDB in more target descriptions 2024-11-12 12:51:36 +00:00
gdbsupport [gdb] Fix some typos 2024-11-18 09:46:31 +01:00
gnulib
gold
gprof
gprofng gprofng: fix -std=gnu23 compatibility wrt unprototyped functions 2024-11-18 05:12:56 +00:00
include aarch64: improve debuggability on array of enum 2024-11-08 11:35:46 +00:00
ld ld: Support percent-encoded JSON in --package-metadata 2024-11-18 11:38:25 +01:00
libbacktrace
libctf
libdecnumber
libiberty
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opcodes s390: Add arch15 Concurrent-Functions Facility insns 2024-11-18 10:42:21 +01:00
readline
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.pre-commit-config.yaml [precommit] Add some documentation in .pre-commit-config.yaml 2024-11-13 21:03:42 +01:00
ar-lib
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compile
config-ml.in
config.guess
config.rpath
config.sub
configure Deprecate the ARM simulator. 2024-11-07 14:53:26 +00:00
configure.ac Deprecate the ARM simulator. 2024-11-07 14:53:26 +00:00
COPYING
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depcomp
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ltmain.sh
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ltsugar.m4
ltversion.m4
MAINTAINERS
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src-release.sh Add a target to src-release.sh to crate a binutils release without Gold 2024-10-29 11:50:04 +00:00
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		   README for GNU development tools

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