Date: Mon, 10 Nov 2008 21:17:49 GMT From: Peter Wemm <peter@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 152765 for review Message-ID: <200811102117.mAALHnbI036233@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=152765 Change 152765 by peter@peter_freefall on 2008/11/10 21:17:30 Make the 64 bit to 32 bit sysctl converter work. I think I may have set a new personal best in number of errors per line of code. Affected files ... .. //depot/projects/valgrind/coregrind/m_aspacemgr/aspacemgr-freebsd.c#13 edit .. //depot/projects/valgrind/coregrind/m_ume.c#6 edit Differences ... ==== //depot/projects/valgrind/coregrind/m_aspacemgr/aspacemgr-freebsd.c#13 (text+ko) ==== @@ -2920,7 +2920,7 @@ static Char procmap_buf[M_PROCMAP_BUF]; #if defined(VGP_x86_freebsd) -static Bool is32on64(void) +static Bool test_is32on64(void) { Int oid[2]; vki_size_t len; @@ -2954,24 +2954,27 @@ { struct vki_kinfo_vmentry_32on64 *kve64, t; struct vki_kinfo_vmentry *kve32; + Int i; - aspacem_assert(sizeof(vki_kinfo_vmentry) < sizeof(vki_kinfo_vmentry_32on64)); + aspacem_assert(sizeof(struct vki_kinfo_vmentry) < sizeof(struct vki_kinfo_vmentry_32on64)); kve64 = (struct vki_kinfo_vmentry_32on64 *)procmap_buf; kve32 = (struct vki_kinfo_vmentry *)procmap_buf; - for (i = 0; i < *len / sizeof(vki_kinfo_vmentry_32on64); i++, kve32++, kve64++) { + aspacem_assert(sizeof(kve32->kve_path) == sizeof(kve64->kve_path)); + for (i = 0; i < *len / sizeof(struct vki_kinfo_vmentry_32on64); i++, kve32++, kve64++) { t = *kve64; - aspacem_assert(t.kve_start < 0x100000000ul); - aspacem_assert(t.kve_end < 0x100000000ul); - kve32->kve_structsize = t.kve_structsize; - kve32->kve_start = t.kve_start; - kve32->kve_end = t.kve_end; + aspacem_assert(t.kve_start < 0x100000000ull); + aspacem_assert(t.kve_end < 0x100000000ull); + aspacem_assert(t.kve_structsize == sizeof(struct vki_kinfo_vmentry_32on64)); + kve32->kve_structsize = sizeof(struct vki_kinfo_vmentry); + kve32->kve_start = (void *)(UWord)t.kve_start; + kve32->kve_end = (void *)(UWord)t.kve_end; kve32->kve_protection = t.kve_protection; - kve32->kve_path = t.kve_path; + VG_(memcpy)(kve32->kve_path, t.kve_path, sizeof(t.kve_path)); kve32->kve_offset = t.kve_offset; kve32->kve_fsid = t.kve_fsid; kve32->kve_fileid = t.kve_fileid; } - *len = *len * sizeof(vki_kinfo_vmentry) / sizeof(vki_kinfo_vmentry_32on64); + *len = *len * sizeof(struct vki_kinfo_vmentry) / sizeof(struct vki_kinfo_vmentry_32on64); } #endif @@ -3007,7 +3010,7 @@ ML_(am_exit)(1); } #if defined(VGP_x86_freebsd) - if (is32on64()) + if (test_is32on64()) fix_32on64(&len); #endif ==== //depot/projects/valgrind/coregrind/m_ume.c#6 (text+ko) ==== @@ -402,6 +402,7 @@ //VG_(printf)("interpreter is %s\n", buf); #if defined(VGP_x86_freebsd) + sres.isError = True; /* Hack. FreeBSD's kernel overloads the interpreter name. */ if (VG_(strcmp)(buf, "/libexec/ld-elf.so.1") == 0 || VG_(strcmp)(buf, "/usr/libexec/ld-elf.so.1") == 0) {
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