From 6e3d59bc0581399e0d8218f7b7fb10961735a82b Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Thu, 14 Nov 2002 03:59:56 +0000 Subject: * scripts/abilist.awk: New file. * 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. --- scripts/abilist.awk | 49 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 scripts/abilist.awk (limited to 'scripts') diff --git a/scripts/abilist.awk b/scripts/abilist.awk new file mode 100644 index 0000000000..385e85da80 --- /dev/null +++ b/scripts/abilist.awk @@ -0,0 +1,49 @@ +# This awk script processes the output of objdump --dynamic-syms +# into a simple format that should not change when the ABI is not changing. + +BEGIN { outpipe = "sort" } + +# Normalize columns. +/^[0-9a-fA-F]+ / { sub(/ /, " - ") } + +# Skip undefineds. +$4 == "*UND*" { next } + +# Skip locals. +$2 == "l" { next } + +$2 == "g" || $2 == "w" && NF == 7 { + weak = ($2 == "w") ? "weak" : "strong"; + type = $3; + size = strtonum("0x" $5); + version = $6; + symbol = $7; + gsub(/[()]/, "", version); + + if (version == "GLIBC_PRIVATE") next; + + if (type == "D" && $4 == ".tbss") { + print symbol, version, weak, "TLS", size | outpipe; + } + else if (type == "DO" && $4 == "*ABS*") { + print symbol, version, weak, "ABS" | outpipe; + } + else if (type == "DO") { + print symbol, version, weak, "DATA", size | outpipe; + } + else if (type == "DF") { + print symbol, version, weak, "FUNC" | outpipe; + } + else { + print symbol, version, weak, "UNEXPECTED", type, $4, $5; + } + + next; +} + +# Header crapola. +NF == 0 || /DYNAMIC SYMBOL TABLE/ || /file format/ { next } + +{ + print "Don't grok this line:", $0 +} -- cgit v1.2.3