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| author | Chenghua Xu <xuchenghua@loongson.cn> | 2022-09-07 10:33:00 +0800 |
|---|---|---|
| committer | caiyinyu <caiyinyu@loongson.cn> | 2022-12-07 10:42:51 +0800 |
| commit | 9f482b73f41a9a1bbfb173aad0733d1c824c788a (patch) | |
| tree | a0726fb0997d086ee791af8db694321f2c683089 /sysdeps/loongarch | |
| parent | 8d6083717c1df492d1276b302180df0dcdddb4cf (diff) | |
| download | glibc-9f482b73f41a9a1bbfb173aad0733d1c824c788a.tar.gz glibc-9f482b73f41a9a1bbfb173aad0733d1c824c788a.tar.xz glibc-9f482b73f41a9a1bbfb173aad0733d1c824c788a.zip | |
LoongArch: Use medium cmodel build libc_nonshared.a.
This patch is used to fix address out-of-bounds error when building Chrome.
Diffstat (limited to 'sysdeps/loongarch')
| -rw-r--r-- | sysdeps/loongarch/Makefile | 6 | ||||
| -rw-r--r-- | sysdeps/loongarch/configure | 22 | ||||
| -rw-r--r-- | sysdeps/loongarch/configure.ac | 10 |
3 files changed, 38 insertions, 0 deletions
diff --git a/sysdeps/loongarch/Makefile b/sysdeps/loongarch/Makefile index 746d4c2c8f..1778fd1c88 100644 --- a/sysdeps/loongarch/Makefile +++ b/sysdeps/loongarch/Makefile @@ -5,3 +5,9 @@ endif # LoongArch's assembler also needs to know about PIC as it changes the # definition of some assembler macros. ASFLAGS-.os += $(pic-ccflag) + +# All the objects in lib*_nonshared.a need to be compiled with medium code +# model or large applications may fail to link. +ifeq (yes,$(have-cmodel-medium)) +CFLAGS-.oS += -mcmodel=medium +endif diff --git a/sysdeps/loongarch/configure b/sysdeps/loongarch/configure index 3046915ce2..a08ba67c9a 100644 --- a/sysdeps/loongarch/configure +++ b/sysdeps/loongarch/configure @@ -72,3 +72,25 @@ if test "$libc_cv_static_pie_on_loongarch" = yes; then $as_echo "#define SUPPORT_STATIC_PIE 1" >>confdefs.h fi + + # Check if gcc supports option -mcmodel=medium. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports option -mcmodel=medium" >&5 +$as_echo_n "checking whether $CC supports option -mcmodel=medium... " >&6; } +if ${libc_cv_loongarch_cmodel_medium+:} false; then : + $as_echo_n "(cached) " >&6 +else + if { ac_try='${CC-cc} -c $CFLAGS -mcmodel=medium /dev/null 1>&5' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then + libc_cv_loongarch_cmodel_medium=yes + else + libc_cv_loongarch_cmodel_medium=no + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_loongarch_cmodel_medium" >&5 +$as_echo "$libc_cv_loongarch_cmodel_medium" >&6; } +config_vars="$config_vars +have-cmodel-medium = $libc_cv_loongarch_cmodel_medium" diff --git a/sysdeps/loongarch/configure.ac b/sysdeps/loongarch/configure.ac index 06dd408ad9..9df387f086 100644 --- a/sysdeps/loongarch/configure.ac +++ b/sysdeps/loongarch/configure.ac @@ -51,3 +51,13 @@ EOF if test "$libc_cv_static_pie_on_loongarch" = yes; then AC_DEFINE(SUPPORT_STATIC_PIE) fi + + # Check if gcc supports option -mcmodel=medium. +AC_CACHE_CHECK(whether $CC supports option -mcmodel=medium, + libc_cv_loongarch_cmodel_medium, [ + if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS -mcmodel=medium /dev/null 1>&AS_MESSAGE_LOG_FD); then + libc_cv_loongarch_cmodel_medium=yes + else + libc_cv_loongarch_cmodel_medium=no + fi]) +LIBC_CONFIG_VAR([have-cmodel-medium], [$libc_cv_loongarch_cmodel_medium]) |