diff options
Diffstat (limited to 'rtemstoolkit/elftoolchain/libelf/libelf_convert.m4')
| -rw-r--r-- | rtemstoolkit/elftoolchain/libelf/libelf_convert.m4 | 242 |
1 files changed, 122 insertions, 120 deletions
diff --git a/rtemstoolkit/elftoolchain/libelf/libelf_convert.m4 b/rtemstoolkit/elftoolchain/libelf/libelf_convert.m4 index 9b1679a..ec39590 100644 --- a/rtemstoolkit/elftoolchain/libelf/libelf_convert.m4 +++ b/rtemstoolkit/elftoolchain/libelf/libelf_convert.m4 @@ -24,15 +24,13 @@ * SUCH DAMAGE. */ -#include <sys/cdefs.h> - #include <assert.h> #include <libelf.h> #include <string.h> #include "_libelf.h" -LIBELF_VCSID("$Id: libelf_convert.m4 1734 2011-08-16 09:55:07Z jkoshy $"); +ELFTC_VCSID("$Id: libelf_convert.m4 3429 2016-03-12 04:12:39Z emaste $"); /* WARNING: GENERATED FROM __file__. */ @@ -143,8 +141,8 @@ define(`SIZEDEP_OFF', 1) # Generates a pair of conversion functions. define(`MAKEPRIMFUNCS',` static int -libelf_cvt_$1$4_tof(char *dst, size_t dsz, char *src, size_t count, - int byteswap) +_libelf_cvt_$1$4_tof(unsigned char *dst, size_t dsz, unsigned char *src, + size_t count, int byteswap) { Elf$3_$2 t, *s = (Elf$3_$2 *) (uintptr_t) src; size_t c; @@ -166,8 +164,8 @@ libelf_cvt_$1$4_tof(char *dst, size_t dsz, char *src, size_t count, } static int -libelf_cvt_$1$4_tom(char *dst, size_t dsz, char *src, size_t count, - int byteswap) +_libelf_cvt_$1$4_tom(unsigned char *dst, size_t dsz, unsigned char *src, + size_t count, int byteswap) { Elf$3_$2 t, *d = (Elf$3_$2 *) (uintptr_t) dst; size_t c; @@ -267,8 +265,8 @@ define(`READ_STRUCT', # `$3': ELF class specifier, one of [`', `32', `64'] define(`MAKECOMPFUNCS', `ifdef(`NOFUNC_'$1$3,`',` static int -libelf_cvt_$1$3_tof(char *dst, size_t dsz, char *src, size_t count, - int byteswap) +_libelf_cvt_$1$3_tof(unsigned char *dst, size_t dsz, unsigned char *src, + size_t count, int byteswap) { Elf$3_$2 t, *s; size_t c; @@ -288,16 +286,16 @@ libelf_cvt_$1$3_tof(char *dst, size_t dsz, char *src, size_t count, } static int -libelf_cvt_$1$3_tom(char *dst, size_t dsz, char *src, size_t count, - int byteswap) +_libelf_cvt_$1$3_tom(unsigned char *dst, size_t dsz, unsigned char *src, + size_t count, int byteswap) { - Elf$3_$2 t, *d; - char *s,*s0; + Elf$3_$2 t, *d; + unsigned char *s,*s0; size_t fsz; fsz = elf$3_fsize(ELF_T_$1, (size_t) 1, EV_CURRENT); d = ((Elf$3_$2 *) (uintptr_t) dst) + (count - 1); - s0 = (char *) src + (count - 1) * fsz; + s0 = src + (count - 1) * fsz; if (dsz < count * sizeof(Elf$3_$2)) return (0); @@ -349,9 +347,9 @@ define(`CONV', `.$3$2 = NULL', `ifdef(`PRIM_'$1, `ifdef(`SIZEDEP_'$1, - `.$3$2 = libelf_cvt_$1$2_$3', - `.$3$2 = libelf_cvt_$1_$3')', - `.$3$2 = libelf_cvt_$1$2_$3')')') + `.$3$2 = _libelf_cvt_$1$2_$3', + `.$3$2 = _libelf_cvt_$1_$3')', + `.$3$2 = _libelf_cvt_$1$2_$3')')') # CONVERTER_NAME(ELFTYPE) # @@ -398,8 +396,8 @@ define(`MAKE_VERSION_CONVERTERS', # conversion function. define(`MAKE_VERSION_CONVERTER',` static int -libelf_cvt_$1$5_tof(char *dst, size_t dsz, char *src, size_t count, - int byteswap) +_libelf_cvt_$1$5_tof(unsigned char *dst, size_t dsz, unsigned char *src, + size_t count, int byteswap) { Elf$5_$2 t; Elf$5_$3 a; @@ -407,12 +405,12 @@ libelf_cvt_$1$5_tof(char *dst, size_t dsz, char *src, size_t count, const size_t auxfsz = FSZ(Elf$5_$3_DEF); const size_t vermsz = sizeof(Elf$5_$2); const size_t auxmsz = sizeof(Elf$5_$3); - char * const dstend = dst + dsz; - char * const srcend = src + count; - char *dtmp, *dstaux, *srcaux; + unsigned char * const dstend = dst + dsz; + unsigned char * const srcend = src + count; + unsigned char *dtmp, *dstaux, *srcaux; Elf$5_Word aux, anext, cnt, vnext; - for (dtmp = dst, vnext = ~0; + for (dtmp = dst, vnext = ~0U; vnext != 0 && dtmp + verfsz <= dstend && src + vermsz <= srcend; dtmp += vnext, src += vnext) { @@ -434,7 +432,7 @@ libelf_cvt_$1$5_tof(char *dst, size_t dsz, char *src, size_t count, return (0); /* Process AUX entries. */ - for (anext = ~0, dstaux = dtmp + aux, srcaux = src + aux; + for (anext = ~0U, dstaux = dtmp + aux, srcaux = src + aux; cnt != 0 && anext != 0 && dstaux + auxfsz <= dstend && srcaux + auxmsz <= srcend; dstaux += anext, srcaux += anext, cnt--) { @@ -462,8 +460,8 @@ libelf_cvt_$1$5_tof(char *dst, size_t dsz, char *src, size_t count, } static int -libelf_cvt_$1$5_tom(char *dst, size_t dsz, char *src, size_t count, - int byteswap) +_libelf_cvt_$1$5_tom(unsigned char *dst, size_t dsz, unsigned char *src, + size_t count, int byteswap) { Elf$5_$2 t, *dp; Elf$5_$3 a, *ap; @@ -471,12 +469,12 @@ libelf_cvt_$1$5_tom(char *dst, size_t dsz, char *src, size_t count, const size_t auxfsz = FSZ(Elf$5_$3_DEF); const size_t vermsz = sizeof(Elf$5_$2); const size_t auxmsz = sizeof(Elf$5_$3); - char * const dstend = dst + dsz; - char * const srcend = src + count; - char *dstaux, *s, *srcaux, *stmp; + unsigned char * const dstend = dst + dsz; + unsigned char * const srcend = src + count; + unsigned char *dstaux, *s, *srcaux, *stmp; Elf$5_Word aux, anext, cnt, vnext; - for (stmp = src, vnext = ~0; + for (stmp = src, vnext = ~0U; vnext != 0 && stmp + verfsz <= srcend && dst + vermsz <= dstend; stmp += vnext, dst += vnext) { @@ -498,7 +496,7 @@ libelf_cvt_$1$5_tom(char *dst, size_t dsz, char *src, size_t count, return (0); /* Process AUX entries. */ - for (anext = ~0, dstaux = dst + aux, srcaux = stmp + aux; + for (anext = ~0U, dstaux = dst + aux, srcaux = stmp + aux; cnt != 0 && anext != 0 && dstaux + auxmsz <= dstend && srcaux + auxfsz <= srcend; dstaux += anext, srcaux += anext, cnt--) { @@ -536,22 +534,23 @@ divert(0) #define SWAP_IDENT(X) do { (void) (X); } while (0) #define SWAP_HALF(X) do { \ uint16_t _x = (uint16_t) (X); \ - uint16_t _t = _x & 0xFF; \ - _t <<= 8; _x >>= 8; _t |= _x & 0xFF; \ - (X) = _t; \ + uint32_t _t = _x & 0xFFU; \ + _t <<= 8U; _x >>= 8U; _t |= _x & 0xFFU; \ + (X) = (uint16_t) _t; \ } while (0) -#define SWAP_WORD(X) do { \ +#define _SWAP_WORD(X, T) do { \ uint32_t _x = (uint32_t) (X); \ uint32_t _t = _x & 0xFF; \ _t <<= 8; _x >>= 8; _t |= _x & 0xFF; \ _t <<= 8; _x >>= 8; _t |= _x & 0xFF; \ _t <<= 8; _x >>= 8; _t |= _x & 0xFF; \ - (X) = _t; \ + (X) = (T) _t; \ } while (0) -#define SWAP_ADDR32(X) SWAP_WORD(X) -#define SWAP_OFF32(X) SWAP_WORD(X) -#define SWAP_SWORD(X) SWAP_WORD(X) -#define SWAP_WORD64(X) do { \ +#define SWAP_ADDR32(X) _SWAP_WORD(X, Elf32_Addr) +#define SWAP_OFF32(X) _SWAP_WORD(X, Elf32_Off) +#define SWAP_SWORD(X) _SWAP_WORD(X, Elf32_Sword) +#define SWAP_WORD(X) _SWAP_WORD(X, Elf32_Word) +#define _SWAP_WORD64(X, T) do { \ uint64_t _x = (uint64_t) (X); \ uint64_t _t = _x & 0xFF; \ _t <<= 8; _x >>= 8; _t |= _x & 0xFF; \ @@ -561,13 +560,13 @@ divert(0) _t <<= 8; _x >>= 8; _t |= _x & 0xFF; \ _t <<= 8; _x >>= 8; _t |= _x & 0xFF; \ _t <<= 8; _x >>= 8; _t |= _x & 0xFF; \ - (X) = _t; \ + (X) = (T) _t; \ } while (0) -#define SWAP_ADDR64(X) SWAP_WORD64(X) -#define SWAP_LWORD(X) SWAP_WORD64(X) -#define SWAP_OFF64(X) SWAP_WORD64(X) -#define SWAP_SXWORD(X) SWAP_WORD64(X) -#define SWAP_XWORD(X) SWAP_WORD64(X) +#define SWAP_ADDR64(X) _SWAP_WORD64(X, Elf64_Addr) +#define SWAP_LWORD(X) _SWAP_WORD64(X, Elf64_Lword) +#define SWAP_OFF64(X) _SWAP_WORD64(X, Elf64_Off) +#define SWAP_SXWORD(X) _SWAP_WORD64(X, Elf64_Sxword) +#define SWAP_XWORD(X) _SWAP_WORD64(X, Elf64_Xword) /* * C macros to write out various integral values. @@ -578,22 +577,22 @@ divert(0) * - The destination pointer is incremented after the write. */ #define WRITE_BYTE(P,X) do { \ - char *const _p = (char *) (P); \ - _p[0] = (char) (X); \ + unsigned char *const _p = (unsigned char *) (P); \ + _p[0] = (unsigned char) (X); \ (P) = _p + 1; \ } while (0) #define WRITE_HALF(P,X) do { \ uint16_t _t = (X); \ - char *const _p = (char *) (P); \ - const char *const _q = (char *) &_t; \ + unsigned char *const _p = (unsigned char *) (P); \ + const unsigned char *const _q = (unsigned char *) &_t; \ _p[0] = _q[0]; \ _p[1] = _q[1]; \ (P) = _p + 2; \ } while (0) -#define WRITE_WORD(P,X) do { \ - uint32_t _t = (X); \ - char *const _p = (char *) (P); \ - const char *const _q = (char *) &_t; \ +#define WRITE_WORD(P,X) do { \ + uint32_t _t = (uint32_t) (X); \ + unsigned char *const _p = (unsigned char *) (P); \ + const unsigned char *const _q = (unsigned char *) &_t; \ _p[0] = _q[0]; \ _p[1] = _q[1]; \ _p[2] = _q[2]; \ @@ -604,9 +603,9 @@ divert(0) #define WRITE_OFF32(P,X) WRITE_WORD(P,X) #define WRITE_SWORD(P,X) WRITE_WORD(P,X) #define WRITE_WORD64(P,X) do { \ - uint64_t _t = (X); \ - char *const _p = (char *) (P); \ - const char *const _q = (char *) &_t; \ + uint64_t _t = (uint64_t) (X); \ + unsigned char *const _p = (unsigned char *) (P); \ + const unsigned char *const _q = (unsigned char *) &_t; \ _p[0] = _q[0]; \ _p[1] = _q[1]; \ _p[2] = _q[2]; \ @@ -637,41 +636,42 @@ divert(0) */ #define READ_BYTE(P,X) do { \ - const char *const _p = \ - (const char *) (P); \ + const unsigned char *const _p = \ + (const unsigned char *) (P); \ (X) = _p[0]; \ (P) = (P) + 1; \ } while (0) #define READ_HALF(P,X) do { \ uint16_t _t; \ - char *const _q = (char *) &_t; \ - const char *const _p = \ - (const char *) (P); \ + unsigned char *const _q = (unsigned char *) &_t; \ + const unsigned char *const _p = \ + (const unsigned char *) (P); \ _q[0] = _p[0]; \ _q[1] = _p[1]; \ (P) = (P) + 2; \ (X) = _t; \ } while (0) -#define READ_WORD(P,X) do { \ +#define _READ_WORD(P,X,T) do { \ uint32_t _t; \ - char *const _q = (char *) &_t; \ - const char *const _p = \ - (const char *) (P); \ + unsigned char *const _q = (unsigned char *) &_t; \ + const unsigned char *const _p = \ + (const unsigned char *) (P); \ _q[0] = _p[0]; \ _q[1] = _p[1]; \ _q[2] = _p[2]; \ _q[3] = _p[3]; \ (P) = (P) + 4; \ - (X) = _t; \ + (X) = (T) _t; \ } while (0) -#define READ_ADDR32(P,X) READ_WORD(P,X) -#define READ_OFF32(P,X) READ_WORD(P,X) -#define READ_SWORD(P,X) READ_WORD(P,X) -#define READ_WORD64(P,X) do { \ +#define READ_ADDR32(P,X) _READ_WORD(P, X, Elf32_Addr) +#define READ_OFF32(P,X) _READ_WORD(P, X, Elf32_Off) +#define READ_SWORD(P,X) _READ_WORD(P, X, Elf32_Sword) +#define READ_WORD(P,X) _READ_WORD(P, X, Elf32_Word) +#define _READ_WORD64(P,X,T) do { \ uint64_t _t; \ - char *const _q = (char *) &_t; \ - const char *const _p = \ - (const char *) (P); \ + unsigned char *const _q = (unsigned char *) &_t; \ + const unsigned char *const _p = \ + (const unsigned char *) (P); \ _q[0] = _p[0]; \ _q[1] = _p[1]; \ _q[2] = _p[2]; \ @@ -681,13 +681,13 @@ divert(0) _q[6] = _p[6]; \ _q[7] = _p[7]; \ (P) = (P) + 8; \ - (X) = _t; \ + (X) = (T) _t; \ } while (0) -#define READ_ADDR64(P,X) READ_WORD64(P,X) -#define READ_LWORD(P,X) READ_WORD64(P,X) -#define READ_OFF64(P,X) READ_WORD64(P,X) -#define READ_SXWORD(P,X) READ_WORD64(P,X) -#define READ_XWORD(P,X) READ_WORD64(P,X) +#define READ_ADDR64(P,X) _READ_WORD64(P, X, Elf64_Addr) +#define READ_LWORD(P,X) _READ_WORD64(P, X, Elf64_Lword) +#define READ_OFF64(P,X) _READ_WORD64(P, X, Elf64_Off) +#define READ_SXWORD(P,X) _READ_WORD64(P, X, Elf64_Sxword) +#define READ_XWORD(P,X) _READ_WORD64(P, X, Elf64_Xword) #define READ_IDENT(P,X) do { \ (void) memcpy((X), (P), sizeof((X))); \ (P) = (P) + EI_NIDENT; \ @@ -707,8 +707,8 @@ MAKE_VERSION_CONVERTERS(VNEED,Verneed,Vernaux,vn) */ static int -libelf_cvt_BYTE_tox(char *dst, size_t dsz, char *src, size_t count, - int byteswap) +_libelf_cvt_BYTE_tox(unsigned char *dst, size_t dsz, unsigned char *src, + size_t count, int byteswap) { (void) byteswap; if (dsz < count) @@ -732,24 +732,24 @@ libelf_cvt_BYTE_tox(char *dst, size_t dsz, char *src, size_t count, */ static int -libelf_cvt_GNUHASH32_tom(char *dst, size_t dsz, char *src, size_t srcsz, - int byteswap) +_libelf_cvt_GNUHASH32_tom(unsigned char *dst, size_t dsz, unsigned char *src, + size_t srcsz, int byteswap) { - return (libelf_cvt_WORD_tom(dst, dsz, src, srcsz / sizeof(uint32_t), + return (_libelf_cvt_WORD_tom(dst, dsz, src, srcsz / sizeof(uint32_t), byteswap)); } static int -libelf_cvt_GNUHASH32_tof(char *dst, size_t dsz, char *src, size_t srcsz, - int byteswap) +_libelf_cvt_GNUHASH32_tof(unsigned char *dst, size_t dsz, unsigned char *src, + size_t srcsz, int byteswap) { - return (libelf_cvt_WORD_tof(dst, dsz, src, srcsz / sizeof(uint32_t), + return (_libelf_cvt_WORD_tof(dst, dsz, src, srcsz / sizeof(uint32_t), byteswap)); } static int -libelf_cvt_GNUHASH64_tom(char *dst, size_t dsz, char *src, size_t srcsz, - int byteswap) +_libelf_cvt_GNUHASH64_tom(unsigned char *dst, size_t dsz, unsigned char *src, + size_t srcsz, int byteswap) { size_t sz; uint64_t t64, *bloom64; @@ -834,8 +834,8 @@ libelf_cvt_GNUHASH64_tom(char *dst, size_t dsz, char *src, size_t srcsz, } static int -libelf_cvt_GNUHASH64_tof(char *dst, size_t dsz, char *src, size_t srcsz, - int byteswap) +_libelf_cvt_GNUHASH64_tof(unsigned char *dst, size_t dsz, unsigned char *src, + size_t srcsz, int byteswap) { uint32_t *s32; size_t sz, hdrsz; @@ -921,8 +921,8 @@ libelf_cvt_GNUHASH64_tof(char *dst, size_t dsz, char *src, size_t srcsz, * The destination buffer needs to be at least `count' bytes in size. */ static int -libelf_cvt_NOTE_tom(char *dst, size_t dsz, char *src, size_t count, - int byteswap) +_libelf_cvt_NOTE_tom(unsigned char *dst, size_t dsz, unsigned char *src, + size_t count, int byteswap) { uint32_t namesz, descsz, type; Elf_Note *en; @@ -962,8 +962,8 @@ libelf_cvt_NOTE_tom(char *dst, size_t dsz, char *src, size_t count, dst += sizeof(Elf_Note); count -= hdrsz; - ROUNDUP2(namesz, 4); - ROUNDUP2(descsz, 4); + ROUNDUP2(namesz, 4U); + ROUNDUP2(descsz, 4U); sz = namesz + descsz; @@ -983,8 +983,8 @@ libelf_cvt_NOTE_tom(char *dst, size_t dsz, char *src, size_t count, } static int -libelf_cvt_NOTE_tof(char *dst, size_t dsz, char *src, size_t count, - int byteswap) +_libelf_cvt_NOTE_tof(unsigned char *dst, size_t dsz, unsigned char *src, + size_t count, int byteswap) { uint32_t namesz, descsz, type; Elf_Note *en; @@ -1005,6 +1005,11 @@ libelf_cvt_NOTE_tof(char *dst, size_t dsz, char *src, size_t count, descsz = en->n_descsz; type = en->n_type; + sz = namesz; + ROUNDUP2(sz, 4U); + sz += descsz; + ROUNDUP2(sz, 4U); + SWAP_WORD(namesz); SWAP_WORD(descsz); SWAP_WORD(type); @@ -1014,11 +1019,7 @@ libelf_cvt_NOTE_tof(char *dst, size_t dsz, char *src, size_t count, WRITE_WORD(dst, type); src += sizeof(Elf_Note); - - ROUNDUP2(namesz, 4); - ROUNDUP2(descsz, 4); - - sz = namesz + descsz; + count -= sizeof(Elf_Note); if (count < sz) sz = count; @@ -1034,14 +1035,14 @@ libelf_cvt_NOTE_tof(char *dst, size_t dsz, char *src, size_t count, } struct converters { - int (*tof32)(char *dst, size_t dsz, char *src, size_t cnt, - int byteswap); - int (*tom32)(char *dst, size_t dsz, char *src, size_t cnt, - int byteswap); - int (*tof64)(char *dst, size_t dsz, char *src, size_t cnt, - int byteswap); - int (*tom64)(char *dst, size_t dsz, char *src, size_t cnt, - int byteswap); + int (*tof32)(unsigned char *dst, size_t dsz, unsigned char *src, + size_t cnt, int byteswap); + int (*tom32)(unsigned char *dst, size_t dsz, unsigned char *src, + size_t cnt, int byteswap); + int (*tof64)(unsigned char *dst, size_t dsz, unsigned char *src, + size_t cnt, int byteswap); + int (*tom64)(unsigned char *dst, size_t dsz, unsigned char *src, + size_t cnt, int byteswap); }; @@ -1055,22 +1056,23 @@ CONVERTER_NAMES(ELF_TYPE_LIST) */ [ELF_T_BYTE] = { - .tof32 = libelf_cvt_BYTE_tox, - .tom32 = libelf_cvt_BYTE_tox, - .tof64 = libelf_cvt_BYTE_tox, - .tom64 = libelf_cvt_BYTE_tox + .tof32 = _libelf_cvt_BYTE_tox, + .tom32 = _libelf_cvt_BYTE_tox, + .tof64 = _libelf_cvt_BYTE_tox, + .tom64 = _libelf_cvt_BYTE_tox }, [ELF_T_NOTE] = { - .tof32 = libelf_cvt_NOTE_tof, - .tom32 = libelf_cvt_NOTE_tom, - .tof64 = libelf_cvt_NOTE_tof, - .tom64 = libelf_cvt_NOTE_tom + .tof32 = _libelf_cvt_NOTE_tof, + .tom32 = _libelf_cvt_NOTE_tom, + .tof64 = _libelf_cvt_NOTE_tof, + .tom64 = _libelf_cvt_NOTE_tom } }; int (*_libelf_get_translator(Elf_Type t, int direction, int elfclass)) - (char *_dst, size_t dsz, char *_src, size_t _cnt, int _byteswap) + (unsigned char *_dst, size_t dsz, unsigned char *_src, size_t _cnt, + int _byteswap) { assert(elfclass == ELFCLASS32 || elfclass == ELFCLASS64); assert(direction == ELF_TOFILE || direction == ELF_TOMEMORY); |