6e3d59bc05
* Makefile (distribute): Add it. * Makerules ($(objpfx)%.dynsym, $(objpfx)%.symlist): New rules. (tests): Depend on .symlist file for each $(install-lib.so-versioned). [! subdir] (tests): Depend on libc.symlist. (generated): Add those files. * aclocal.m4 (LIBC_PROG_BINUTILS): Check for objdump, set OBJDUMP. * configure: Regenerated. * config.make.in (OBJDUMP): New variable, substituted by configure. * malloc/mcheck.c (struct hdr): New members `block' and `magic2'. (mallochook, reallochook): Set them up. (checkhdr): Check HDR->magic2 value. (freehook): Reset HDR->magic2. (memalignhook): New static function. (old_memalign_hook): New static variable. (mcheck, reallochook): Set __memalign_hook to memalignhook.
50 lines
1.1 KiB
Awk
50 lines
1.1 KiB
Awk
# This awk script processes the output of objdump --dynamic-syms
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# into a simple format that should not change when the ABI is not changing.
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BEGIN { outpipe = "sort" }
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# Normalize columns.
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/^[0-9a-fA-F]+ / { sub(/ /, " - ") }
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# Skip undefineds.
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$4 == "*UND*" { next }
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# Skip locals.
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$2 == "l" { next }
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$2 == "g" || $2 == "w" && NF == 7 {
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weak = ($2 == "w") ? "weak" : "strong";
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type = $3;
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size = strtonum("0x" $5);
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version = $6;
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symbol = $7;
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gsub(/[()]/, "", version);
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if (version == "GLIBC_PRIVATE") next;
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if (type == "D" && $4 == ".tbss") {
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print symbol, version, weak, "TLS", size | outpipe;
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}
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else if (type == "DO" && $4 == "*ABS*") {
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print symbol, version, weak, "ABS" | outpipe;
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}
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else if (type == "DO") {
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print symbol, version, weak, "DATA", size | outpipe;
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}
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else if (type == "DF") {
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print symbol, version, weak, "FUNC" | outpipe;
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}
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else {
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print symbol, version, weak, "UNEXPECTED", type, $4, $5;
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}
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next;
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}
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# Header crapola.
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NF == 0 || /DYNAMIC SYMBOL TABLE/ || /file format/ { next }
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{
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print "Don't grok this line:", $0
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}
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