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author | H.J. Lu <hjl.tools@gmail.com> | 2024-01-24 13:53:11 -0800 |
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committer | H.J. Lu <hjl.tools@gmail.com> | 2024-01-25 05:42:04 -0800 |
commit | 3eb33b8875a032678c375a76f689f928f57dfb15 (patch) | |
tree | fa521d89416ecbcd97e19ab28cf42ba0d351c180 /ld/testsuite/ld-elf | |
parent | 726f209eb1b05842d816eac8b0b8f9c7f6cd9fbc (diff) | |
download | gdb-3eb33b8875a032678c375a76f689f928f57dfb15.zip gdb-3eb33b8875a032678c375a76f689f928f57dfb15.tar.gz gdb-3eb33b8875a032678c375a76f689f928f57dfb15.tar.bz2 |
ld: Improve --fatal-warnings for unknown command-line options
There are 2 problems with --fatal-warnings for unknown command-line
options:
1. --fatal-warnings doesn't trigger an error for an unknown command-line
option when --fatal-warnings is the last command-line option.
2. When --fatal-warnings triggers an error for an unknown command-line
option, the message says that the unknown command-line option is ignored.
This patch queues unknown command-line option warnings and outputs queued
command-line option warnings after all command-line options have been
processed so that --fatal-warnings can work for unknown command-line
options regardless of the order of --fatal-warnings.
When --fatal-warnings is used, the linker message is changed from
ld: warning: -z bad-option ignored
to
ld: error: unsupported option: -z bad-option
The above also applies to "-z dynamic-undefined-weak" when the known
"-z dynamic-undefined-weak" option is ignored.
PR ld/31289
* ldelf.c (ldelf_after_parse): Use queue_unknown_cmdline_warning
to warn the ignored -z dynamic-undefined-weak option.
* ldmain.c (main): Call output_unknown_cmdline_warnings after
calling ldemul_after_parse.
* ldmisc.c (CMDLINE_WARNING_SIZE): New.
(cmdline_warning_list): Likewise.
(cmdline_warning_head): Likewise.
(cmdline_warning_tail): Likewise.
(queue_unknown_cmdline_warning): Likewise.
(output_unknown_cmdline_warnings): Likewise.
* ldmisc.h (queue_unknown_cmdline_warning): Likewise.
(output_unknown_cmdline_warnings): Likewise.
* emultempl/elf.em (gld${EMULATION_NAME}_handle_option): Use
queue_unknown_cmdline_warning to warn unknown -z option.
* testsuite/ld-elf/fatal-warnings-1a.d: New file.
* testsuite/ld-elf/fatal-warnings-1b.d: Likewise.
* testsuite/ld-elf/fatal-warnings-2a.d: Likewise.
* testsuite/ld-elf/fatal-warnings-2b.d: Likewise.
* testsuite/ld-elf/fatal-warnings-3a.d: Likewise.
* testsuite/ld-elf/fatal-warnings-3b.d: Likewise.
* testsuite/ld-elf/fatal-warnings-4a.d: Likewise.
* testsuite/ld-elf/fatal-warnings-4b.d: Likewise.
Diffstat (limited to 'ld/testsuite/ld-elf')
-rw-r--r-- | ld/testsuite/ld-elf/fatal-warnings-1a.d | 6 | ||||
-rw-r--r-- | ld/testsuite/ld-elf/fatal-warnings-1b.d | 6 | ||||
-rw-r--r-- | ld/testsuite/ld-elf/fatal-warnings-2a.d | 6 | ||||
-rw-r--r-- | ld/testsuite/ld-elf/fatal-warnings-2b.d | 6 | ||||
-rw-r--r-- | ld/testsuite/ld-elf/fatal-warnings-3a.d | 6 | ||||
-rw-r--r-- | ld/testsuite/ld-elf/fatal-warnings-3b.d | 6 | ||||
-rw-r--r-- | ld/testsuite/ld-elf/fatal-warnings-4a.d | 6 | ||||
-rw-r--r-- | ld/testsuite/ld-elf/fatal-warnings-4b.d | 6 |
8 files changed, 48 insertions, 0 deletions
diff --git a/ld/testsuite/ld-elf/fatal-warnings-1a.d b/ld/testsuite/ld-elf/fatal-warnings-1a.d new file mode 100644 index 0000000..d669392 --- /dev/null +++ b/ld/testsuite/ld-elf/fatal-warnings-1a.d @@ -0,0 +1,6 @@ +#PR ld/31289 +#source: pr22269.s +#ld: -pie --no-dynamic-linker --fatal-warnings -z dynamic-undefined-weak +#readelf: -r -x .data.rel.ro +#error: unsupported option: -z dynamic-undefined-weak +#target: *-*-linux* *-*-gnu* *-*-nacl* arm*-*-uclinuxfdpiceabi diff --git a/ld/testsuite/ld-elf/fatal-warnings-1b.d b/ld/testsuite/ld-elf/fatal-warnings-1b.d new file mode 100644 index 0000000..644e96b --- /dev/null +++ b/ld/testsuite/ld-elf/fatal-warnings-1b.d @@ -0,0 +1,6 @@ +#PR ld/31289 +#source: pr22269.s +#ld: -pie --no-dynamic-linker -z dynamic-undefined-weak --fatal-warnings +#readelf: -r -x .data.rel.ro +#error: unsupported option: -z dynamic-undefined-weak +#target: *-*-linux* *-*-gnu* *-*-nacl* arm*-*-uclinuxfdpiceabi diff --git a/ld/testsuite/ld-elf/fatal-warnings-2a.d b/ld/testsuite/ld-elf/fatal-warnings-2a.d new file mode 100644 index 0000000..5c46f43 --- /dev/null +++ b/ld/testsuite/ld-elf/fatal-warnings-2a.d @@ -0,0 +1,6 @@ +#PR ld/31289 +#source: start.s +#ld: -z bad-option1 -z bad-option2 +#warning: -z bad-option1 ignored +#xfail: [is_generic] +# generic linker targets don't support -z options. diff --git a/ld/testsuite/ld-elf/fatal-warnings-2b.d b/ld/testsuite/ld-elf/fatal-warnings-2b.d new file mode 100644 index 0000000..5fa94e4 --- /dev/null +++ b/ld/testsuite/ld-elf/fatal-warnings-2b.d @@ -0,0 +1,6 @@ +#PR ld/31289 +#source: start.s +#ld: -z bad-option1 -z bad-option2 +#warning: -z bad-option2 ignored +#xfail: [is_generic] +# generic linker targets don't support -z options. diff --git a/ld/testsuite/ld-elf/fatal-warnings-3a.d b/ld/testsuite/ld-elf/fatal-warnings-3a.d new file mode 100644 index 0000000..a377b73 --- /dev/null +++ b/ld/testsuite/ld-elf/fatal-warnings-3a.d @@ -0,0 +1,6 @@ +#PR ld/31289 +#source: start.s +#ld: --fatal-warnings -z bad-option1 -z bad-option2 +#error: unsupported option: -z bad-option1 +#xfail: [is_generic] +# generic linker targets don't support -z options. diff --git a/ld/testsuite/ld-elf/fatal-warnings-3b.d b/ld/testsuite/ld-elf/fatal-warnings-3b.d new file mode 100644 index 0000000..87ea286 --- /dev/null +++ b/ld/testsuite/ld-elf/fatal-warnings-3b.d @@ -0,0 +1,6 @@ +#PR ld/31289 +#source: start.s +#ld: --fatal-warnings -z bad-option1 -z bad-option2 +#error: unsupported option: -z bad-option2 +#xfail: [is_generic] +# generic linker targets don't support -z options. diff --git a/ld/testsuite/ld-elf/fatal-warnings-4a.d b/ld/testsuite/ld-elf/fatal-warnings-4a.d new file mode 100644 index 0000000..4685e38 --- /dev/null +++ b/ld/testsuite/ld-elf/fatal-warnings-4a.d @@ -0,0 +1,6 @@ +#PR ld/31289 +#source: start.s +#ld: -z bad-option1 -z bad-option2 --fatal-warnings +#error: unsupported option: -z bad-option1 +#xfail: [is_generic] +# generic linker targets don't support -z options. diff --git a/ld/testsuite/ld-elf/fatal-warnings-4b.d b/ld/testsuite/ld-elf/fatal-warnings-4b.d new file mode 100644 index 0000000..6fc2185 --- /dev/null +++ b/ld/testsuite/ld-elf/fatal-warnings-4b.d @@ -0,0 +1,6 @@ +#PR ld/31289 +#source: start.s +#ld: -z bad-option1 -z bad-option2 --fatal-warnings +#error: unsupported option: -z bad-option2 +#xfail: [is_generic] +# generic linker targets don't support -z options. |