Note: copied from Mesa
Signed-off-by: Eric Engestrom eric.engestrom@imgtec.com --- meson.build | 1 + symbols-check | 79 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 80 insertions(+) create mode 100755 symbols-check
diff --git a/meson.build b/meson.build index a725f05d342bbec4df18..c035a00c6747b8d46a9b 100644 --- a/meson.build +++ b/meson.build @@ -272,6 +272,7 @@ pkg.generate(
env_test = environment() env_test.set('NM', find_program('nm').path()) +env_test.set('top_srcdir', meson.source_root())
if with_libkms subdir('libkms') diff --git a/symbols-check b/symbols-check new file mode 100755 index 00000000000000000000..bac466d93dcb45cee0bb --- /dev/null +++ b/symbols-check @@ -0,0 +1,79 @@ +#!/bin/sh +set -eu +set -o pipefail + +# Platform specific symbols +# These will simply be ignored +PLAT_FUNCS=" +__bss_start +_init +_fini +_end +_edata + +# From tegra-symbol-check +__bss_end__ +__bss_start__ +__bss_start +__end__ +_bss_end__ +_edata +_end +_fini +_init +" + +if [ -z "$LIB" ]; then + echo "$LIB needs to be defined for autotools to be able to run this test" + exit 1 +fi + +# The lib name is passed in with Meson but autotools doesn't support that +# so it needs to be hardcoded and overwritten here +if [ $# -ge 1 ]; then + LIB=$1 +fi + +if ! [ -f "$LIB" ]; then + echo "lib $LIB doesn't exist" + exit 1 +fi + +if [ -z "$NM" ]; then + echo "$NM is undefined or empty" + exit 1 +elif ! command -v $NM >/dev/null; then + echo "$NM is not a valid command" + exit 1 +fi + +AVAIL_FUNCS="$($NM -D --format=bsd --defined-only $LIB | awk '{print $3}')" + +NEW_ABI=$(echo "$AVAIL_FUNCS" | while read func; do + echo "$REQ_FUNCS" | grep -q "^$func$" && continue + echo "$PLAT_FUNCS" | grep -q "^$func$" && continue + + echo $func +done) + +REMOVED_ABI=$(echo "$REQ_FUNCS" | while read func; do + echo "$AVAIL_FUNCS" | grep -q "^$func$" && continue + + echo $func +done) + +if [ -n "$NEW_ABI" ]; then + echo "New ABI detected - If intentional, update the test." + echo "$NEW_ABI" +fi + +if [ -n "$REMOVED_ABI" ]; then + echo "ABI break detected - Required symbol(s) no longer exported!" + echo "$REMOVED_ABI" +fi + +if [ -z "$NEW_ABI" ] && [ -z "$REMOVED_ABI" ]; then + exit 0 +else + exit 1 +fi