From 1293ffef115e21ee0a9bd5e8a4ae9a75e5142a63 Mon Sep 17 00:00:00 2001 From: "Yann E. MORIN\"" Date: Sat, 21 Jul 2007 20:31:26 +0000 Subject: Vampirise two more patches against uClibc-0.9.29 from buildroot. diff --git a/patches/uClibc/0.9.29/000-fix-mmap.patch b/patches/uClibc/0.9.29/000-fix-mmap.patch new file mode 100644 index 0000000..af38be3 --- /dev/null +++ b/patches/uClibc/0.9.29/000-fix-mmap.patch @@ -0,0 +1,91 @@ +--- uClibc-0.9.29.oorig/test/mmap/mmap2.c (revision 0) ++++ uClibc-0.9.29/test/mmap/mmap2.c (revision 18616) +@@ -0,0 +1,41 @@ ++/* When trying to map /dev/mem with offset 0xFFFFF000 on the ARM platform, mmap ++ * returns -EOVERFLOW. ++ * ++ * Since off_t is defined as a long int and the sign bit is set in the address, ++ * the shift operation shifts in ones instead of zeroes ++ * from the left. This results the offset sent to the kernel function becomes ++ * 0xFFFFFFFF instead of 0x000FFFFF with MMAP2_PAGE_SHIFT set to 12. ++ */ ++ ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#define FATAL do { fprintf(stderr, "Error at line %d, file %s (%d) [%s]\n", \ ++ __LINE__, __FILE__, errno, strerror(errno)); exit(1); } while(0) ++ ++#define MAP_SIZE 4096UL ++#define MAP_MASK (MAP_SIZE - 1) ++ ++int main(int argc, char **argv) { ++ void* map_base = 0; ++ int fd; ++ off_t target = 0xfffff000; ++ if((fd = open("/dev/mem", O_RDWR | O_SYNC)) == -1) FATAL; ++ printf("/dev/mem opened.\n"); ++ fflush(stdout); ++ ++ /* Map one page */ ++ map_base = mmap(0, MAP_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED, ++ fd, target & ~MAP_MASK); ++ if(map_base == (void *) -1) FATAL; ++ printf("Memory mapped at address %p.\n", map_base); ++ fflush(stdout); ++ if(munmap(map_base, MAP_SIZE) == -1) FATAL; ++ close(fd); ++ return 0; ++} +--- uClibc-0.9.29.oorig/libc/sysdeps/linux/arm/mmap.c (revision 18615) ++++ uClibc-0.9.29/libc/sysdeps/linux/arm/mmap.c (revision 18616) +@@ -27,7 +27,6 @@ __ptr_t mmap(__ptr_t addr, size_t len, i + + #elif defined (__NR_mmap2) + #define __NR__mmap __NR_mmap2 +- + #ifndef MMAP2_PAGE_SHIFT + # define MMAP2_PAGE_SHIFT 12 + #endif +@@ -39,9 +38,17 @@ __ptr_t mmap(__ptr_t addr, size_t len, i + { + /* check if offset is page aligned */ + if (offset & ((1 << MMAP2_PAGE_SHIFT) - 1)) ++ { ++ __set_errno(EINVAL); + return MAP_FAILED; ++ } ++#ifdef __USE_FILE_OFFSET64 ++ return (__ptr_t) _mmap (addr, len, prot, flags, ++ fd,((__u_quad_t) offset >> MMAP2_PAGE_SHIFT)); ++#else + return (__ptr_t) _mmap (addr, len, prot, flags, +- fd,(off_t) (offset >> MMAP2_PAGE_SHIFT)); ++ fd,((__u_long) offset >> MMAP2_PAGE_SHIFT)); ++#endif + } + #elif defined (__NR_mmap) + # define __NR__mmap __NR_mmap +--- uClibc-0.9.29.oorig/libc/sysdeps/linux/common/mmap64.c (revision 18615) ++++ uClibc-0.9.29/libc/sysdeps/linux/common/mmap64.c (revision 18616) +@@ -58,8 +58,13 @@ __ptr_t mmap64(__ptr_t addr, size_t len, + __set_errno(EINVAL); + return MAP_FAILED; + } +- +- return __syscall_mmap2(addr, len, prot, flags, fd, (off_t) (offset >> MMAP2_PAGE_SHIFT)); ++#ifdef __USE_FILE_OFFSET64 ++ return __syscall_mmap2(addr, len, prot, flags, ++ fd,((__u_quad_t)offset >> MMAP2_PAGE_SHIFT)); ++#else ++ return __syscall_mmap2(addr, len, prot, flags, ++ fd,((__ulong_t)offset >> MMAP2_PAGE_SHIFT)); ++#endif + } + + # endif diff --git a/patches/uClibc/0.9.29/200-fix-internal_function-definition.patch b/patches/uClibc/0.9.29/200-fix-internal_function-definition.patch new file mode 100644 index 0000000..9b88d82 --- /dev/null +++ b/patches/uClibc/0.9.29/200-fix-internal_function-definition.patch @@ -0,0 +1,51 @@ +Index: uClibc/libc/sysdeps/linux/i386/bits/uClibc_arch_features.h +=================================================================== +--- uClibc/libc/sysdeps/linux/i386/bits/uClibc_arch_features.h (revision 18898) ++++ uClibc/libc/sysdeps/linux/i386/bits/uClibc_arch_features.h (working copy) +@@ -42,6 +42,8 @@ + /* define if target supports IEEE signed zero floats */ + #define __UCLIBC_HAVE_SIGNED_ZERO__ + ++#if defined _LIBC + #define internal_function __attribute__ ((regparm (3), stdcall)) ++#endif + + #endif /* _BITS_UCLIBC_ARCH_FEATURES_H */ +Index: uClibc/include/libc-symbols.h +=================================================================== +--- uClibc/include/libc-symbols.h (revision 18898) ++++ uClibc/include/libc-symbols.h (working copy) +@@ -22,6 +22,16 @@ + #ifndef _LIBC_SYMBOLS_H + #define _LIBC_SYMBOLS_H 1 + ++/* This is defined for the compilation of all C library code. features.h ++ tests this to avoid inclusion of stubs.h while compiling the library, ++ before stubs.h has been generated. Some library code that is shared ++ with other packages also tests this symbol to see if it is being ++ compiled as part of the C library. We must define this before including ++ config.h, because it makes some definitions conditional on whether libc ++ itself is being compiled, or just some generator program. */ ++#define _LIBC 1 ++ ++ + /* This file's macros are included implicitly in the compilation of every + file in the C library by -imacros. + +@@ -40,16 +50,6 @@ + + #include + +- +-/* This is defined for the compilation of all C library code. features.h +- tests this to avoid inclusion of stubs.h while compiling the library, +- before stubs.h has been generated. Some library code that is shared +- with other packages also tests this symbol to see if it is being +- compiled as part of the C library. We must define this before including +- config.h, because it makes some definitions conditional on whether libc +- itself is being compiled, or just some generator program. */ +-#define _LIBC 1 +- + /* Enable declarations of GNU extensions, since we are compiling them. */ + #define _GNU_SOURCE 1 + -- cgit v0.10.2-6-g49f6