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3eb33b8875
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.
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|---|---|---|
| .. | ||
| aarch64elf.em | ||
| aix.em | ||
| alphaelf.em | ||
| arclinux.em | ||
| armelf.em | ||
| avrelf.em | ||
| beos.em | ||
| bfin.em | ||
| cr16elf.em | ||
| crxelf.em | ||
| cskyelf.em | ||
| elf-generic.em | ||
| elf-x86.em | ||
| elf.em | ||
| emulation.em | ||
| epiphanyelf_4x4.em | ||
| genelf.em | ||
| generic.em | ||
| hppaelf.em | ||
| ia64elf.em | ||
| irix.em | ||
| kvxelf.em | ||
| loongarchelf.em | ||
| m68hc1xelf.em | ||
| m68kelf.em | ||
| metagelf.em | ||
| mipself.em | ||
| mmix-elfnmmo.em | ||
| mmixelf.em | ||
| mmo.em | ||
| msp430.em | ||
| nds32elf.em | ||
| needrelax.em | ||
| netbsd.em | ||
| nios2elf.em | ||
| nto.em | ||
| pdp11.em | ||
| pe.em | ||
| pep.em | ||
| ppc32elf.em | ||
| ppc64elf.em | ||
| pruelf.em | ||
| README | ||
| riscvelf.em | ||
| rxelf.em | ||
| rxlinux.em | ||
| s390.em | ||
| scoreelf.em | ||
| solaris2-x86.em | ||
| solaris2.em | ||
| spu_icache.o_c | ||
| spu_icache.S | ||
| spu_ovl.o_c | ||
| spu_ovl.S | ||
| spuelf.em | ||
| stringify.sed | ||
| tic6xdsbt.em | ||
| ticoff.em | ||
| v850elf.em | ||
| vanilla.em | ||
| vms.em | ||
| vxworks.em | ||
| xtensaelf.em | ||
| z80.em | ||
The files in this directory are sourced by genscripts.sh, after
setting some variables to substitute in, to produce
C source files that contain jump tables for each emulation.
Copyright (C) 2012-2024 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.