diff options
author | marius <marius@FreeBSD.org> | 2015-02-24 22:28:44 +0000 |
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committer | marius <marius@FreeBSD.org> | 2015-02-24 22:28:44 +0000 |
commit | 41a96ed99bbd2897e1de81b52b0eec6640b7f637 (patch) | |
tree | 11395f5d6d059d6c4a040e987a23f2f94f95243f | |
parent | 224ab7ed88d3de7a8975d08e2dc8dbc056b79549 (diff) | |
download | FreeBSD-src-41a96ed99bbd2897e1de81b52b0eec6640b7f637.zip FreeBSD-src-41a96ed99bbd2897e1de81b52b0eec6640b7f637.tar.gz |
MFC: r278870
Unbreak sparc64 after r276630 (MFCed to stable/10 in r277317) by calling
__sparc_sigtramp_setup signal trampoline as part of the MD __sys_sigaction
again.
Submitted by: kib (initial versions)
-rw-r--r-- | lib/libc/sparc64/sys/Makefile.inc | 2 | ||||
-rw-r--r-- | lib/libc/sparc64/sys/sigaction1.S (renamed from lib/libc/sparc64/sys/sigaction.S) | 5 | ||||
-rw-r--r-- | lib/libc/sys/Makefile.inc | 8 | ||||
-rw-r--r-- | sys/sparc64/include/asm.h | 10 |
4 files changed, 21 insertions, 4 deletions
diff --git a/lib/libc/sparc64/sys/Makefile.inc b/lib/libc/sparc64/sys/Makefile.inc index dedf783..d1b4b2d 100644 --- a/lib/libc/sparc64/sys/Makefile.inc +++ b/lib/libc/sparc64/sys/Makefile.inc @@ -12,7 +12,7 @@ SRCS+= __sparc_sigtramp_setup.c \ CFLAGS+= -I${.CURDIR}/sparc64/fpu -MDASM+= brk.S cerror.S exect.S pipe.S ptrace.S sbrk.S setlogin.S sigaction.S +MDASM+= brk.S cerror.S exect.S pipe.S ptrace.S sbrk.S setlogin.S sigaction1.S # Don't generate default code for these syscalls: NOASM= break.o exit.o getlogin.o openbsd_poll.o sstk.o yield.o diff --git a/lib/libc/sparc64/sys/sigaction.S b/lib/libc/sparc64/sys/sigaction1.S index 7d32f97..219a238 100644 --- a/lib/libc/sparc64/sys/sigaction.S +++ b/lib/libc/sparc64/sys/sigaction1.S @@ -29,7 +29,8 @@ __FBSDID("$FreeBSD$"); #include "SYS.h" -_SYSENTRY(sigaction) + WEAK_REFERENCE(__sys_sigaction, _sigaction) +ENTRY(__sys_sigaction) PIC_PROLOGUE(%o3, %o4) SET(sigcode_installed, %o4, %o3) lduw [%o3], %o4 @@ -44,6 +45,6 @@ _SYSENTRY(sigaction) 1: _SYSCALL(sigaction) retl nop -_SYSEND(sigaction) +END(__sys_sigaction) .comm sigcode_installed, 4, 4 diff --git a/lib/libc/sys/Makefile.inc b/lib/libc/sys/Makefile.inc index e6f127d..b4501b7 100644 --- a/lib/libc/sys/Makefile.inc +++ b/lib/libc/sys/Makefile.inc @@ -61,7 +61,6 @@ INTERPOSED = \ sendmsg \ sendto \ setcontext \ - sigaction \ sigprocmask \ sigsuspend \ sigtimedwait \ @@ -72,6 +71,13 @@ INTERPOSED = \ write \ writev +.if ${MACHINE_CPUARCH} == "sparc64" +SRCS+= sigaction.c +NOASM+= sigaction.o +.else +INTERPOSED+= sigaction +.endif + SRCS+= ${INTERPOSED:S/$/.c/} NOASM+= ${INTERPOSED:S/$/.o/} PSEUDO+= ${INTERPOSED:C/^.*$/_&.o/} diff --git a/sys/sparc64/include/asm.h b/sys/sparc64/include/asm.h index dea06c5..69a53be 100644 --- a/sys/sparc64/include/asm.h +++ b/sys/sparc64/include/asm.h @@ -103,6 +103,16 @@ CNAME(x): #define END(x) .size x, . - x /* + * WEAK_REFERENCE(): create a weak reference alias from sym. + * The macro is not a general asm macro that takes arbitrary names, + * but one that takes only C names. It does the non-null name + * translation inside the macro. + */ +#define WEAK_REFERENCE(sym, alias) \ + .weak CNAME(alias); \ + .equ CNAME(alias),CNAME(sym) + +/* * Kernel RCS ID tag and copyright macros */ |