Date: Sat, 30 Jan 2010 23:14:18 GMT From: Robert Watson <rwatson@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 173990 for review Message-ID: <201001302314.o0UNEISw032493@repoman.freebsd.org>
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http://p4web.freebsd.org/chv.cgi?CH=173990 Change 173990 by rwatson@rwatson_vimage_client on 2010/01/30 23:14:12 Report capability-mode C runtime to i386, which was apparently lost during integration of a rearrangement of this code. Affected files ... .. //depot/projects/trustedbsd/capabilities/src/lib/csu/i386-elf/Makefile#3 edit .. //depot/projects/trustedbsd/capabilities/src/lib/csu/i386-elf/crt1_c.c#2 edit .. //depot/projects/trustedbsd/capabilities/src/lib/csu/i386-elf/crt1_s.S#2 edit Differences ... ==== //depot/projects/trustedbsd/capabilities/src/lib/csu/i386-elf/Makefile#3 (text+ko) ==== @@ -20,13 +20,13 @@ crt1.o: crt1_c.o crt1_s.o ${LD} ${LDFLAGS} -o crt1.o -r crt1_s.o crt1_c.o - objcopy --localize-symbol _start1 crt1.o + objcopy --localize-symbol _start1 -localize-symbol _capstart1 crt1.o Scrt1_c.o: crt1_c.c ${CC} ${CFLAGS} -DGCRT -fPIC -DPIC -c -o Scrt1_c.o ${.CURDIR}/crt1_c.c Scrt1.o: Scrt1_c.o crt1_s.o ${LD} ${LDFLAGS} -o Scrt1.o -r crt1_s.o Scrt1_c.o - objcopy --localize-symbol _start1 Scrt1.o + objcopy --localize-symbol _start1 -localize-symbol _capstart1 Scrt1.o .include <bsd.prog.mk> ==== //depot/projects/trustedbsd/capabilities/src/lib/csu/i386-elf/crt1_c.c#2 (text+ko) ==== @@ -46,6 +46,7 @@ extern void _init(void); extern int main(int, char **, char **); extern void _start(char *, ...); +extern void _capstart(char *, ...); #ifdef GCRT extern void _mcleanup(void); @@ -58,6 +59,7 @@ const char *__progname = ""; void _start1(fptr, int, char *[]) __dead2; +void _capstart1(fptr, int, char *[]) __dead2; /* The entry function, C part. */ void @@ -93,3 +95,38 @@ } __asm(".hidden _start1"); + +/* The Capsicum entry function. */ +void +_capstart1(fptr cleanup, int argc, char *argv[]) +{ + char **env; + const char *s; + + env = argv + argc + 1; + environ = env; + if (argc > 0 && argv[0] != NULL) { + __progname = argv[0]; + for (s = __progname; *s != '\0'; s++) + if (*s == '/') + __progname = s + 1; + } + + if (&_DYNAMIC != NULL) + atexit(cleanup); + else + _init_tls(); + +#ifdef GCRT + atexit(_mcleanup); +#endif + atexit(_fini); +#ifdef GCRT + monstartup(&eprol, &etext); +__asm__("eprol:"); +#endif + _init(); + exit( cap_main(argc, argv, env) ); +} + +__asm(".hidden _capstart1"); ==== //depot/projects/trustedbsd/capabilities/src/lib/csu/i386-elf/crt1_s.S#2 (text+ko) ==== @@ -41,4 +41,17 @@ call _start1 .size _start, . - _start + .globl _capstart + .type _capstart, @function +_capstart: xorl %ebp,%ebp + pushl %ebp + movl %esp,%ebp + andl $0xfffffff0,%esp # align stack + leal 8(%ebp),%eax + pushl %eax # argv + pushl 4(%ebp) # argc + pushl %edx # rtld cleanup + call _capstart1 + .size _capstart, . - _capstart + .ident "$FreeBSD: src/lib/csu/i386-elf/crt1_s.S,v 1.1 2009/12/02 16:34:20 kib Exp $"
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