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authorFaraz Shahbazker <fshahbazker@wavecomp.com>2019-04-02 20:17:16 +0000
committerFaraz Shahbazker <fshahbazker@wavecomp.com>2019-04-11 10:16:31 -0700
commit035801cebe9ffbdddb465b81ae514a465ce9c64c (patch)
tree1bec295602b51ae66b0c83a96673726cb10c6d46 /ld/NEWS
parentc30391f893fd99e768c1a6282763ef553c45f1ff (diff)
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ld: Add --no-print-map-discarded option
Add a new option to disable the listing of discarded sections in map file output. The use case stems from a large application built with -ffunction-sections --gc-sections where the list of discarded sections blows up the map file output. The default behaviour remains to print discarded sections, but the new option allows us to disable it. ld/ * NEWS: Mention new option --no-print-map-discarded. * ld.h (ld_config_type) <print_map_discarded>: New field. * ldlang.c (lang_map): Conditionally output discarded sections in map files based on configuration option. * ldlex.h (option_values) <OPTION_PRINT_MAP_DISCARDED, OPTION_NO_PRINT_MAP_DISCARDED>: New. * ldmain.c (main): Enabled print_map_discarded by default. * lexsup.c (ld_options): Add new command-line options. (parse_args) <OPTION_NO_PRINT_MAP_DISCARDED, OPTION_PRINT_MAP_DISCARDED>: New cases. * ld.texi: Document new options. * testsuite/ld-gc/gc.exp: Add new test. * testsuite/ld-gc/skip-map-discarded.s: New file. * testsuite/ld-gc/skip-map-discarded.d: New file. * testsuite/ld-gc/skip-map-discarded.map: New file.
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diff --git a/ld/NEWS b/ld/NEWS
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--- a/ld/NEWS
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@@ -1,5 +1,7 @@
-*- text -*-
+* Add command-line option --no-print-map-discarded.
+
Changes in 2.33:
* Add target handlers for AArch64 for ELF GNU program properties.