From 1828d03ad56e2e57ae1595728ec96c28b98dfd50 Mon Sep 17 00:00:00 2001 From: Ian Lance Taylor Date: Tue, 12 May 2015 14:24:26 -0700 Subject: [PATCH] syscall: mksysnum_linux.pl: run syscall numbers through GCC This will skip system call numbers that are ifdef'ed out in unistd.h, as occurs on PPC. Change-Id: I88e640e4621c7a8cc266433f34a7b4be71543ec9 Reviewed-on: https://go-review.googlesource.com/9966 Reviewed-by: Minux Ma --- src/syscall/mkall.sh | 2 +- src/syscall/mksysnum_linux.pl | 3 ++- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/src/syscall/mkall.sh b/src/syscall/mkall.sh index 739663ed9c..85fab4ff3e 100755 --- a/src/syscall/mkall.sh +++ b/src/syscall/mkall.sh @@ -179,7 +179,7 @@ linux_amd64) linux_arm) mkerrors="$mkerrors" mksyscall="./mksyscall.pl -l32 -arm" - mksysnum="curl -s 'http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/plain/arch/arm/include/uapi/asm/unistd.h' | ./mksysnum_linux.pl" + mksysnum="curl -s 'http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/plain/arch/arm/include/uapi/asm/unistd.h' | ./mksysnum_linux.pl -" mktypes="GOARCH=$GOARCH go tool cgo -godefs" ;; linux_arm64) diff --git a/src/syscall/mksysnum_linux.pl b/src/syscall/mksysnum_linux.pl index 7a8add8bab..b6fbcb599b 100755 --- a/src/syscall/mksysnum_linux.pl +++ b/src/syscall/mksysnum_linux.pl @@ -28,7 +28,8 @@ sub fmt { } my $prev; -while(<>){ +open(GCC, "gcc -E -dD $ARGV[0] |") || die "can't run gcc"; +while(){ if(/^#define __NR_syscalls\s+/) { # ignore redefinitions of __NR_syscalls } -- 2.48.1