/*- * Copyright (c) 2006-2008 Joseph Koshy * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS `AS IS' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include #include #include #include #include "_libelf.h" LIBELF_VCSID("$Id: libelf_convert.m4 1048 2010-07-22 02:32:57Z jkoshy $"); /* WARNING: GENERATED FROM libelf_convert.m4. */ /* * Macros to swap various integral quantities. */ #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; \ } while (0) #define SWAP_WORD(X) 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; \ } 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 { \ uint64_t _x = (uint64_t) (X); \ uint64_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; \ _t <<= 8; _x >>= 8; _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; \ } 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) /* * Write out various integral values. The destination pointer could * be unaligned. Values are written out in native byte order. The * destination pointer is incremented after the write. */ #define WRITE_BYTE(P,X) do { \ char *const _p = (char *) (P); \ _p[0] = (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; \ _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; \ _p[0] = _q[0]; \ _p[1] = _q[1]; \ _p[2] = _q[2]; \ _p[3] = _q[3]; \ (P) = _p + 4; \ } while (0) #define WRITE_ADDR32(P,X) WRITE_WORD(P,X) #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; \ _p[0] = _q[0]; \ _p[1] = _q[1]; \ _p[2] = _q[2]; \ _p[3] = _q[3]; \ _p[4] = _q[4]; \ _p[5] = _q[5]; \ _p[6] = _q[6]; \ _p[7] = _q[7]; \ (P) = _p + 8; \ } while (0) #define WRITE_ADDR64(P,X) WRITE_WORD64(P,X) #define WRITE_LWORD(P,X) WRITE_WORD64(P,X) #define WRITE_OFF64(P,X) WRITE_WORD64(P,X) #define WRITE_SXWORD(P,X) WRITE_WORD64(P,X) #define WRITE_XWORD(P,X) WRITE_WORD64(P,X) #define WRITE_IDENT(P,X) do { \ (void) memcpy((P), (X), sizeof((X))); \ (P) = (P) + EI_NIDENT; \ } while (0) /* * Read in various integral values. The source pointer could be * unaligned. Values are read in native byte order. The source * pointer is incremented appropriately. */ #define READ_BYTE(P,X) do { \ const char *const _p = \ (const 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); \ _q[0] = _p[0]; \ _q[1] = _p[1]; \ (P) = (P) + 2; \ (X) = _t; \ } while (0) #define READ_WORD(P,X) do { \ uint32_t _t; \ char *const _q = (char *) &_t; \ const char *const _p = \ (const char *) (P); \ _q[0] = _p[0]; \ _q[1] = _p[1]; \ _q[2] = _p[2]; \ _q[3] = _p[3]; \ (P) = (P) + 4; \ (X) = _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 { \ uint64_t _t; \ char *const _q = (char *) &_t; \ const char *const _p = \ (const char *) (P); \ _q[0] = _p[0]; \ _q[1] = _p[1]; \ _q[2] = _p[2]; \ _q[3] = _p[3]; \ _q[4] = _p[4]; \ _q[5] = _p[5]; \ _q[6] = _p[6]; \ _q[7] = _p[7]; \ (P) = (P) + 8; \ (X) = _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_IDENT(P,X) do { \ (void) memcpy((X), (P), sizeof((X))); \ (P) = (P) + EI_NIDENT; \ } while (0) #define ROUNDUP2(V,N) (V) = ((((V) + (N) - 1)) & ~((N) - 1)) /* * Sections of type ELF_T_BYTE are never byteswapped, consequently a * simple memcpy suffices for both directions of conversion. */ static int libelf_cvt_BYTE_tox(char *dst, size_t dsz, char *src, size_t count, int byteswap) { (void) byteswap; if (dsz < count) return (0); if (dst != src) (void) memcpy(dst, src, count); return (1); } #if LIBELF_CONFIG_ADDR static int libelf_cvt_ADDR32_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Addr t, *s = (Elf32_Addr *) (uintptr_t) src; size_t c; (void) dsz; if (!byteswap) { (void) memcpy(dst, src, count * sizeof(*s)); return (1); } for (c = 0; c < count; c++) { t = *s++; SWAP_ADDR32(t); WRITE_ADDR32(dst,t); } return (1); } static int libelf_cvt_ADDR32_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Addr t, *d = (Elf32_Addr *) (uintptr_t) dst; size_t c; if (dsz < count * sizeof(Elf32_Addr)) return (0); if (!byteswap) { (void) memcpy(dst, src, count * sizeof(*d)); return (1); } for (c = 0; c < count; c++) { READ_ADDR32(src,t); SWAP_ADDR32(t); *d++ = t; } return (1); } static int libelf_cvt_ADDR64_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Addr t, *s = (Elf64_Addr *) (uintptr_t) src; size_t c; (void) dsz; if (!byteswap) { (void) memcpy(dst, src, count * sizeof(*s)); return (1); } for (c = 0; c < count; c++) { t = *s++; SWAP_ADDR64(t); WRITE_ADDR64(dst,t); } return (1); } static int libelf_cvt_ADDR64_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Addr t, *d = (Elf64_Addr *) (uintptr_t) dst; size_t c; if (dsz < count * sizeof(Elf64_Addr)) return (0); if (!byteswap) { (void) memcpy(dst, src, count * sizeof(*d)); return (1); } for (c = 0; c < count; c++) { READ_ADDR64(src,t); SWAP_ADDR64(t); *d++ = t; } return (1); } #endif /* LIBELF_CONFIG_ADDR */ #if LIBELF_CONFIG_BYTE #endif /* LIBELF_CONFIG_BYTE */ #if LIBELF_CONFIG_CAP static int libelf_cvt32_CAP_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Cap t, *s; size_t c; (void) dsz; s = (Elf32_Cap *) (uintptr_t) src; for (c = 0; c < count; c++) { t = *s++; if (byteswap) { /* Swap an Elf32_Cap */ SWAP_WORD(t.c_tag); SWAP_WORD(t.c_un.c_val); /**/ } /* Write an Elf32_Cap */ WRITE_WORD(dst,t.c_tag); WRITE_WORD(dst,t.c_un.c_val); /**/ } return (1); } static int libelf_cvt64_CAP_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Cap t, *s; size_t c; (void) dsz; s = (Elf64_Cap *) (uintptr_t) src; for (c = 0; c < count; c++) { t = *s++; if (byteswap) { /* Swap an Elf64_Cap */ SWAP_XWORD(t.c_tag); SWAP_XWORD(t.c_un.c_val); /**/ } /* Write an Elf64_Cap */ WRITE_XWORD(dst,t.c_tag); WRITE_XWORD(dst,t.c_un.c_val); /**/ } return (1); } static int libelf_cvt32_CAP_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Cap t, *d; char *s,*s0; size_t fsz; fsz = elf32_fsize(ELF_T_CAP, (size_t) 1, EV_CURRENT); d = ((Elf32_Cap *) (uintptr_t) dst) + (count - 1); s0 = (char *) src + (count - 1) * fsz; if (dsz < count * sizeof(Elf32_Cap)) return (0); while (count--) { s = s0; /* Read an Elf32_Cap */ READ_WORD(s,t.c_tag); READ_WORD(s,t.c_un.c_val); /**/ if (byteswap) { /* Swap an Elf32_Cap */ SWAP_WORD(t.c_tag); SWAP_WORD(t.c_un.c_val); /**/ } *d-- = t; s0 -= fsz; } return (1); } static int libelf_cvt64_CAP_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Cap t, *d; char *s,*s0; size_t fsz; fsz = elf64_fsize(ELF_T_CAP, (size_t) 1, EV_CURRENT); d = ((Elf64_Cap *) (uintptr_t) dst) + (count - 1); s0 = (char *) src + (count - 1) * fsz; if (dsz < count * sizeof(Elf64_Cap)) return (0); while (count--) { s = s0; /* Read an Elf64_Cap */ READ_XWORD(s,t.c_tag); READ_XWORD(s,t.c_un.c_val); /**/ if (byteswap) { /* Swap an Elf64_Cap */ SWAP_XWORD(t.c_tag); SWAP_XWORD(t.c_un.c_val); /**/ } *d-- = t; s0 -= fsz; } return (1); } #endif /* LIBELF_CONFIG_CAP */ #if LIBELF_CONFIG_DYN static int libelf_cvt32_DYN_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Dyn t, *s; size_t c; (void) dsz; s = (Elf32_Dyn *) (uintptr_t) src; for (c = 0; c < count; c++) { t = *s++; if (byteswap) { /* Swap an Elf32_Dyn */ SWAP_SWORD(t.d_tag); SWAP_WORD(t.d_un.d_ptr); /**/ } /* Write an Elf32_Dyn */ WRITE_SWORD(dst,t.d_tag); WRITE_WORD(dst,t.d_un.d_ptr); /**/ } return (1); } static int libelf_cvt64_DYN_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Dyn t, *s; size_t c; (void) dsz; s = (Elf64_Dyn *) (uintptr_t) src; for (c = 0; c < count; c++) { t = *s++; if (byteswap) { /* Swap an Elf64_Dyn */ SWAP_SXWORD(t.d_tag); SWAP_XWORD(t.d_un.d_ptr); /**/ } /* Write an Elf64_Dyn */ WRITE_SXWORD(dst,t.d_tag); WRITE_XWORD(dst,t.d_un.d_ptr); /**/ } return (1); } static int libelf_cvt32_DYN_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Dyn t, *d; char *s,*s0; size_t fsz; fsz = elf32_fsize(ELF_T_DYN, (size_t) 1, EV_CURRENT); d = ((Elf32_Dyn *) (uintptr_t) dst) + (count - 1); s0 = (char *) src + (count - 1) * fsz; if (dsz < count * sizeof(Elf32_Dyn)) return (0); while (count--) { s = s0; /* Read an Elf32_Dyn */ READ_SWORD(s,t.d_tag); READ_WORD(s,t.d_un.d_ptr); /**/ if (byteswap) { /* Swap an Elf32_Dyn */ SWAP_SWORD(t.d_tag); SWAP_WORD(t.d_un.d_ptr); /**/ } *d-- = t; s0 -= fsz; } return (1); } static int libelf_cvt64_DYN_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Dyn t, *d; char *s,*s0; size_t fsz; fsz = elf64_fsize(ELF_T_DYN, (size_t) 1, EV_CURRENT); d = ((Elf64_Dyn *) (uintptr_t) dst) + (count - 1); s0 = (char *) src + (count - 1) * fsz; if (dsz < count * sizeof(Elf64_Dyn)) return (0); while (count--) { s = s0; /* Read an Elf64_Dyn */ READ_SXWORD(s,t.d_tag); READ_XWORD(s,t.d_un.d_ptr); /**/ if (byteswap) { /* Swap an Elf64_Dyn */ SWAP_SXWORD(t.d_tag); SWAP_XWORD(t.d_un.d_ptr); /**/ } *d-- = t; s0 -= fsz; } return (1); } #endif /* LIBELF_CONFIG_DYN */ #if LIBELF_CONFIG_EHDR static int libelf_cvt32_EHDR_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Ehdr t, *s; size_t c; (void) dsz; s = (Elf32_Ehdr *) (uintptr_t) src; for (c = 0; c < count; c++) { t = *s++; if (byteswap) { /* Swap an Elf32_Ehdr */ SWAP_HALF(t.e_type); SWAP_HALF(t.e_machine); SWAP_WORD(t.e_version); SWAP_ADDR32(t.e_entry); SWAP_OFF32(t.e_phoff); SWAP_OFF32(t.e_shoff); SWAP_WORD(t.e_flags); SWAP_HALF(t.e_ehsize); SWAP_HALF(t.e_phentsize); SWAP_HALF(t.e_phnum); SWAP_HALF(t.e_shentsize); SWAP_HALF(t.e_shnum); SWAP_HALF(t.e_shstrndx); /**/ } /* Write an Elf32_Ehdr */ WRITE_IDENT(dst,t.e_ident); WRITE_HALF(dst,t.e_type); WRITE_HALF(dst,t.e_machine); WRITE_WORD(dst,t.e_version); WRITE_ADDR32(dst,t.e_entry); WRITE_OFF32(dst,t.e_phoff); WRITE_OFF32(dst,t.e_shoff); WRITE_WORD(dst,t.e_flags); WRITE_HALF(dst,t.e_ehsize); WRITE_HALF(dst,t.e_phentsize); WRITE_HALF(dst,t.e_phnum); WRITE_HALF(dst,t.e_shentsize); WRITE_HALF(dst,t.e_shnum); WRITE_HALF(dst,t.e_shstrndx); /**/ } return (1); } static int libelf_cvt64_EHDR_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Ehdr t, *s; size_t c; (void) dsz; s = (Elf64_Ehdr *) (uintptr_t) src; for (c = 0; c < count; c++) { t = *s++; if (byteswap) { /* Swap an Elf64_Ehdr */ SWAP_HALF(t.e_type); SWAP_HALF(t.e_machine); SWAP_WORD(t.e_version); SWAP_ADDR64(t.e_entry); SWAP_OFF64(t.e_phoff); SWAP_OFF64(t.e_shoff); SWAP_WORD(t.e_flags); SWAP_HALF(t.e_ehsize); SWAP_HALF(t.e_phentsize); SWAP_HALF(t.e_phnum); SWAP_HALF(t.e_shentsize); SWAP_HALF(t.e_shnum); SWAP_HALF(t.e_shstrndx); /**/ } /* Write an Elf64_Ehdr */ WRITE_IDENT(dst,t.e_ident); WRITE_HALF(dst,t.e_type); WRITE_HALF(dst,t.e_machine); WRITE_WORD(dst,t.e_version); WRITE_ADDR64(dst,t.e_entry); WRITE_OFF64(dst,t.e_phoff); WRITE_OFF64(dst,t.e_shoff); WRITE_WORD(dst,t.e_flags); WRITE_HALF(dst,t.e_ehsize); WRITE_HALF(dst,t.e_phentsize); WRITE_HALF(dst,t.e_phnum); WRITE_HALF(dst,t.e_shentsize); WRITE_HALF(dst,t.e_shnum); WRITE_HALF(dst,t.e_shstrndx); /**/ } return (1); } static int libelf_cvt32_EHDR_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Ehdr t, *d; char *s,*s0; size_t fsz; fsz = elf32_fsize(ELF_T_EHDR, (size_t) 1, EV_CURRENT); d = ((Elf32_Ehdr *) (uintptr_t) dst) + (count - 1); s0 = (char *) src + (count - 1) * fsz; if (dsz < count * sizeof(Elf32_Ehdr)) return (0); while (count--) { s = s0; /* Read an Elf32_Ehdr */ READ_IDENT(s,t.e_ident); READ_HALF(s,t.e_type); READ_HALF(s,t.e_machine); READ_WORD(s,t.e_version); READ_ADDR32(s,t.e_entry); READ_OFF32(s,t.e_phoff); READ_OFF32(s,t.e_shoff); READ_WORD(s,t.e_flags); READ_HALF(s,t.e_ehsize); READ_HALF(s,t.e_phentsize); READ_HALF(s,t.e_phnum); READ_HALF(s,t.e_shentsize); READ_HALF(s,t.e_shnum); READ_HALF(s,t.e_shstrndx); /**/ if (byteswap) { /* Swap an Elf32_Ehdr */ SWAP_HALF(t.e_type); SWAP_HALF(t.e_machine); SWAP_WORD(t.e_version); SWAP_ADDR32(t.e_entry); SWAP_OFF32(t.e_phoff); SWAP_OFF32(t.e_shoff); SWAP_WORD(t.e_flags); SWAP_HALF(t.e_ehsize); SWAP_HALF(t.e_phentsize); SWAP_HALF(t.e_phnum); SWAP_HALF(t.e_shentsize); SWAP_HALF(t.e_shnum); SWAP_HALF(t.e_shstrndx); /**/ } *d-- = t; s0 -= fsz; } return (1); } static int libelf_cvt64_EHDR_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Ehdr t, *d; char *s,*s0; size_t fsz; fsz = elf64_fsize(ELF_T_EHDR, (size_t) 1, EV_CURRENT); d = ((Elf64_Ehdr *) (uintptr_t) dst) + (count - 1); s0 = (char *) src + (count - 1) * fsz; if (dsz < count * sizeof(Elf64_Ehdr)) return (0); while (count--) { s = s0; /* Read an Elf64_Ehdr */ READ_IDENT(s,t.e_ident); READ_HALF(s,t.e_type); READ_HALF(s,t.e_machine); READ_WORD(s,t.e_version); READ_ADDR64(s,t.e_entry); READ_OFF64(s,t.e_phoff); READ_OFF64(s,t.e_shoff); READ_WORD(s,t.e_flags); READ_HALF(s,t.e_ehsize); READ_HALF(s,t.e_phentsize); READ_HALF(s,t.e_phnum); READ_HALF(s,t.e_shentsize); READ_HALF(s,t.e_shnum); READ_HALF(s,t.e_shstrndx); /**/ if (byteswap) { /* Swap an Elf64_Ehdr */ SWAP_HALF(t.e_type); SWAP_HALF(t.e_machine); SWAP_WORD(t.e_version); SWAP_ADDR64(t.e_entry); SWAP_OFF64(t.e_phoff); SWAP_OFF64(t.e_shoff); SWAP_WORD(t.e_flags); SWAP_HALF(t.e_ehsize); SWAP_HALF(t.e_phentsize); SWAP_HALF(t.e_phnum); SWAP_HALF(t.e_shentsize); SWAP_HALF(t.e_shnum); SWAP_HALF(t.e_shstrndx); /**/ } *d-- = t; s0 -= fsz; } return (1); } #endif /* LIBELF_CONFIG_EHDR */ #if LIBELF_CONFIG_GNUHASH #endif /* LIBELF_CONFIG_GNUHASH */ #if LIBELF_CONFIG_HALF static int libelf_cvt_HALF_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Half t, *s = (Elf64_Half *) (uintptr_t) src; size_t c; (void) dsz; if (!byteswap) { (void) memcpy(dst, src, count * sizeof(*s)); return (1); } for (c = 0; c < count; c++) { t = *s++; SWAP_HALF(t); WRITE_HALF(dst,t); } return (1); } static int libelf_cvt_HALF_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Half t, *d = (Elf64_Half *) (uintptr_t) dst; size_t c; if (dsz < count * sizeof(Elf64_Half)) return (0); if (!byteswap) { (void) memcpy(dst, src, count * sizeof(*d)); return (1); } for (c = 0; c < count; c++) { READ_HALF(src,t); SWAP_HALF(t); *d++ = t; } return (1); } #endif /* LIBELF_CONFIG_HALF */ #if LIBELF_CONFIG_LWORD static int libelf_cvt_LWORD_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Lword t, *s = (Elf64_Lword *) (uintptr_t) src; size_t c; (void) dsz; if (!byteswap) { (void) memcpy(dst, src, count * sizeof(*s)); return (1); } for (c = 0; c < count; c++) { t = *s++; SWAP_LWORD(t); WRITE_LWORD(dst,t); } return (1); } static int libelf_cvt_LWORD_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Lword t, *d = (Elf64_Lword *) (uintptr_t) dst; size_t c; if (dsz < count * sizeof(Elf64_Lword)) return (0); if (!byteswap) { (void) memcpy(dst, src, count * sizeof(*d)); return (1); } for (c = 0; c < count; c++) { READ_LWORD(src,t); SWAP_LWORD(t); *d++ = t; } return (1); } #endif /* LIBELF_CONFIG_LWORD */ #if LIBELF_CONFIG_MOVE static int libelf_cvt32_MOVE_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Move t, *s; size_t c; (void) dsz; s = (Elf32_Move *) (uintptr_t) src; for (c = 0; c < count; c++) { t = *s++; if (byteswap) { /* Swap an Elf32_Move */ SWAP_LWORD(t.m_value); SWAP_WORD(t.m_info); SWAP_WORD(t.m_poffset); SWAP_HALF(t.m_repeat); SWAP_HALF(t.m_stride); /**/ } /* Write an Elf32_Move */ WRITE_LWORD(dst,t.m_value); WRITE_WORD(dst,t.m_info); WRITE_WORD(dst,t.m_poffset); WRITE_HALF(dst,t.m_repeat); WRITE_HALF(dst,t.m_stride); /**/ } return (1); } static int libelf_cvt64_MOVE_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Move t, *s; size_t c; (void) dsz; s = (Elf64_Move *) (uintptr_t) src; for (c = 0; c < count; c++) { t = *s++; if (byteswap) { /* Swap an Elf64_Move */ SWAP_LWORD(t.m_value); SWAP_XWORD(t.m_info); SWAP_XWORD(t.m_poffset); SWAP_HALF(t.m_repeat); SWAP_HALF(t.m_stride); /**/ } /* Write an Elf64_Move */ WRITE_LWORD(dst,t.m_value); WRITE_XWORD(dst,t.m_info); WRITE_XWORD(dst,t.m_poffset); WRITE_HALF(dst,t.m_repeat); WRITE_HALF(dst,t.m_stride); /**/ } return (1); } static int libelf_cvt32_MOVE_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Move t, *d; char *s,*s0; size_t fsz; fsz = elf32_fsize(ELF_T_MOVE, (size_t) 1, EV_CURRENT); d = ((Elf32_Move *) (uintptr_t) dst) + (count - 1); s0 = (char *) src + (count - 1) * fsz; if (dsz < count * sizeof(Elf32_Move)) return (0); while (count--) { s = s0; /* Read an Elf32_Move */ READ_LWORD(s,t.m_value); READ_WORD(s,t.m_info); READ_WORD(s,t.m_poffset); READ_HALF(s,t.m_repeat); READ_HALF(s,t.m_stride); /**/ if (byteswap) { /* Swap an Elf32_Move */ SWAP_LWORD(t.m_value); SWAP_WORD(t.m_info); SWAP_WORD(t.m_poffset); SWAP_HALF(t.m_repeat); SWAP_HALF(t.m_stride); /**/ } *d-- = t; s0 -= fsz; } return (1); } static int libelf_cvt64_MOVE_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Move t, *d; char *s,*s0; size_t fsz; fsz = elf64_fsize(ELF_T_MOVE, (size_t) 1, EV_CURRENT); d = ((Elf64_Move *) (uintptr_t) dst) + (count - 1); s0 = (char *) src + (count - 1) * fsz; if (dsz < count * sizeof(Elf64_Move)) return (0); while (count--) { s = s0; /* Read an Elf64_Move */ READ_LWORD(s,t.m_value); READ_XWORD(s,t.m_info); READ_XWORD(s,t.m_poffset); READ_HALF(s,t.m_repeat); READ_HALF(s,t.m_stride); /**/ if (byteswap) { /* Swap an Elf64_Move */ SWAP_LWORD(t.m_value); SWAP_XWORD(t.m_info); SWAP_XWORD(t.m_poffset); SWAP_HALF(t.m_repeat); SWAP_HALF(t.m_stride); /**/ } *d-- = t; s0 -= fsz; } return (1); } #endif /* LIBELF_CONFIG_MOVE */ #if LIBELF_CONFIG_MOVEP #endif /* LIBELF_CONFIG_MOVEP */ #if LIBELF_CONFIG_NOTE #endif /* LIBELF_CONFIG_NOTE */ #if LIBELF_CONFIG_OFF static int libelf_cvt_OFF32_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Off t, *s = (Elf32_Off *) (uintptr_t) src; size_t c; (void) dsz; if (!byteswap) { (void) memcpy(dst, src, count * sizeof(*s)); return (1); } for (c = 0; c < count; c++) { t = *s++; SWAP_OFF32(t); WRITE_OFF32(dst,t); } return (1); } static int libelf_cvt_OFF32_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Off t, *d = (Elf32_Off *) (uintptr_t) dst; size_t c; if (dsz < count * sizeof(Elf32_Off)) return (0); if (!byteswap) { (void) memcpy(dst, src, count * sizeof(*d)); return (1); } for (c = 0; c < count; c++) { READ_OFF32(src,t); SWAP_OFF32(t); *d++ = t; } return (1); } static int libelf_cvt_OFF64_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Off t, *s = (Elf64_Off *) (uintptr_t) src; size_t c; (void) dsz; if (!byteswap) { (void) memcpy(dst, src, count * sizeof(*s)); return (1); } for (c = 0; c < count; c++) { t = *s++; SWAP_OFF64(t); WRITE_OFF64(dst,t); } return (1); } static int libelf_cvt_OFF64_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Off t, *d = (Elf64_Off *) (uintptr_t) dst; size_t c; if (dsz < count * sizeof(Elf64_Off)) return (0); if (!byteswap) { (void) memcpy(dst, src, count * sizeof(*d)); return (1); } for (c = 0; c < count; c++) { READ_OFF64(src,t); SWAP_OFF64(t); *d++ = t; } return (1); } #endif /* LIBELF_CONFIG_OFF */ #if LIBELF_CONFIG_PHDR static int libelf_cvt32_PHDR_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Phdr t, *s; size_t c; (void) dsz; s = (Elf32_Phdr *) (uintptr_t) src; for (c = 0; c < count; c++) { t = *s++; if (byteswap) { /* Swap an Elf32_Phdr */ SWAP_WORD(t.p_type); SWAP_OFF32(t.p_offset); SWAP_ADDR32(t.p_vaddr); SWAP_ADDR32(t.p_paddr); SWAP_WORD(t.p_filesz); SWAP_WORD(t.p_memsz); SWAP_WORD(t.p_flags); SWAP_WORD(t.p_align); /**/ } /* Write an Elf32_Phdr */ WRITE_WORD(dst,t.p_type); WRITE_OFF32(dst,t.p_offset); WRITE_ADDR32(dst,t.p_vaddr); WRITE_ADDR32(dst,t.p_paddr); WRITE_WORD(dst,t.p_filesz); WRITE_WORD(dst,t.p_memsz); WRITE_WORD(dst,t.p_flags); WRITE_WORD(dst,t.p_align); /**/ } return (1); } static int libelf_cvt64_PHDR_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Phdr t, *s; size_t c; (void) dsz; s = (Elf64_Phdr *) (uintptr_t) src; for (c = 0; c < count; c++) { t = *s++; if (byteswap) { /* Swap an Elf64_Phdr */ SWAP_WORD(t.p_type); SWAP_WORD(t.p_flags); SWAP_OFF64(t.p_offset); SWAP_ADDR64(t.p_vaddr); SWAP_ADDR64(t.p_paddr); SWAP_XWORD(t.p_filesz); SWAP_XWORD(t.p_memsz); SWAP_XWORD(t.p_align); /**/ } /* Write an Elf64_Phdr */ WRITE_WORD(dst,t.p_type); WRITE_WORD(dst,t.p_flags); WRITE_OFF64(dst,t.p_offset); WRITE_ADDR64(dst,t.p_vaddr); WRITE_ADDR64(dst,t.p_paddr); WRITE_XWORD(dst,t.p_filesz); WRITE_XWORD(dst,t.p_memsz); WRITE_XWORD(dst,t.p_align); /**/ } return (1); } static int libelf_cvt32_PHDR_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Phdr t, *d; char *s,*s0; size_t fsz; fsz = elf32_fsize(ELF_T_PHDR, (size_t) 1, EV_CURRENT); d = ((Elf32_Phdr *) (uintptr_t) dst) + (count - 1); s0 = (char *) src + (count - 1) * fsz; if (dsz < count * sizeof(Elf32_Phdr)) return (0); while (count--) { s = s0; /* Read an Elf32_Phdr */ READ_WORD(s,t.p_type); READ_OFF32(s,t.p_offset); READ_ADDR32(s,t.p_vaddr); READ_ADDR32(s,t.p_paddr); READ_WORD(s,t.p_filesz); READ_WORD(s,t.p_memsz); READ_WORD(s,t.p_flags); READ_WORD(s,t.p_align); /**/ if (byteswap) { /* Swap an Elf32_Phdr */ SWAP_WORD(t.p_type); SWAP_OFF32(t.p_offset); SWAP_ADDR32(t.p_vaddr); SWAP_ADDR32(t.p_paddr); SWAP_WORD(t.p_filesz); SWAP_WORD(t.p_memsz); SWAP_WORD(t.p_flags); SWAP_WORD(t.p_align); /**/ } *d-- = t; s0 -= fsz; } return (1); } static int libelf_cvt64_PHDR_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Phdr t, *d; char *s,*s0; size_t fsz; fsz = elf64_fsize(ELF_T_PHDR, (size_t) 1, EV_CURRENT); d = ((Elf64_Phdr *) (uintptr_t) dst) + (count - 1); s0 = (char *) src + (count - 1) * fsz; if (dsz < count * sizeof(Elf64_Phdr)) return (0); while (count--) { s = s0; /* Read an Elf64_Phdr */ READ_WORD(s,t.p_type); READ_WORD(s,t.p_flags); READ_OFF64(s,t.p_offset); READ_ADDR64(s,t.p_vaddr); READ_ADDR64(s,t.p_paddr); READ_XWORD(s,t.p_filesz); READ_XWORD(s,t.p_memsz); READ_XWORD(s,t.p_align); /**/ if (byteswap) { /* Swap an Elf64_Phdr */ SWAP_WORD(t.p_type); SWAP_WORD(t.p_flags); SWAP_OFF64(t.p_offset); SWAP_ADDR64(t.p_vaddr); SWAP_ADDR64(t.p_paddr); SWAP_XWORD(t.p_filesz); SWAP_XWORD(t.p_memsz); SWAP_XWORD(t.p_align); /**/ } *d-- = t; s0 -= fsz; } return (1); } #endif /* LIBELF_CONFIG_PHDR */ #if LIBELF_CONFIG_REL static int libelf_cvt32_REL_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Rel t, *s; size_t c; (void) dsz; s = (Elf32_Rel *) (uintptr_t) src; for (c = 0; c < count; c++) { t = *s++; if (byteswap) { /* Swap an Elf32_Rel */ SWAP_ADDR32(t.r_offset); SWAP_WORD(t.r_info); /**/ } /* Write an Elf32_Rel */ WRITE_ADDR32(dst,t.r_offset); WRITE_WORD(dst,t.r_info); /**/ } return (1); } static int libelf_cvt64_REL_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Rel t, *s; size_t c; (void) dsz; s = (Elf64_Rel *) (uintptr_t) src; for (c = 0; c < count; c++) { t = *s++; if (byteswap) { /* Swap an Elf64_Rel */ SWAP_ADDR64(t.r_offset); SWAP_XWORD(t.r_info); /**/ } /* Write an Elf64_Rel */ WRITE_ADDR64(dst,t.r_offset); WRITE_XWORD(dst,t.r_info); /**/ } return (1); } static int libelf_cvt32_REL_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Rel t, *d; char *s,*s0; size_t fsz; fsz = elf32_fsize(ELF_T_REL, (size_t) 1, EV_CURRENT); d = ((Elf32_Rel *) (uintptr_t) dst) + (count - 1); s0 = (char *) src + (count - 1) * fsz; if (dsz < count * sizeof(Elf32_Rel)) return (0); while (count--) { s = s0; /* Read an Elf32_Rel */ READ_ADDR32(s,t.r_offset); READ_WORD(s,t.r_info); /**/ if (byteswap) { /* Swap an Elf32_Rel */ SWAP_ADDR32(t.r_offset); SWAP_WORD(t.r_info); /**/ } *d-- = t; s0 -= fsz; } return (1); } static int libelf_cvt64_REL_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Rel t, *d; char *s,*s0; size_t fsz; fsz = elf64_fsize(ELF_T_REL, (size_t) 1, EV_CURRENT); d = ((Elf64_Rel *) (uintptr_t) dst) + (count - 1); s0 = (char *) src + (count - 1) * fsz; if (dsz < count * sizeof(Elf64_Rel)) return (0); while (count--) { s = s0; /* Read an Elf64_Rel */ READ_ADDR64(s,t.r_offset); READ_XWORD(s,t.r_info); /**/ if (byteswap) { /* Swap an Elf64_Rel */ SWAP_ADDR64(t.r_offset); SWAP_XWORD(t.r_info); /**/ } *d-- = t; s0 -= fsz; } return (1); } #endif /* LIBELF_CONFIG_REL */ #if LIBELF_CONFIG_RELA static int libelf_cvt32_RELA_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Rela t, *s; size_t c; (void) dsz; s = (Elf32_Rela *) (uintptr_t) src; for (c = 0; c < count; c++) { t = *s++; if (byteswap) { /* Swap an Elf32_Rela */ SWAP_ADDR32(t.r_offset); SWAP_WORD(t.r_info); SWAP_SWORD(t.r_addend); /**/ } /* Write an Elf32_Rela */ WRITE_ADDR32(dst,t.r_offset); WRITE_WORD(dst,t.r_info); WRITE_SWORD(dst,t.r_addend); /**/ } return (1); } static int libelf_cvt64_RELA_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Rela t, *s; size_t c; (void) dsz; s = (Elf64_Rela *) (uintptr_t) src; for (c = 0; c < count; c++) { t = *s++; if (byteswap) { /* Swap an Elf64_Rela */ SWAP_ADDR64(t.r_offset); SWAP_XWORD(t.r_info); SWAP_SXWORD(t.r_addend); /**/ } /* Write an Elf64_Rela */ WRITE_ADDR64(dst,t.r_offset); WRITE_XWORD(dst,t.r_info); WRITE_SXWORD(dst,t.r_addend); /**/ } return (1); } static int libelf_cvt32_RELA_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Rela t, *d; char *s,*s0; size_t fsz; fsz = elf32_fsize(ELF_T_RELA, (size_t) 1, EV_CURRENT); d = ((Elf32_Rela *) (uintptr_t) dst) + (count - 1); s0 = (char *) src + (count - 1) * fsz; if (dsz < count * sizeof(Elf32_Rela)) return (0); while (count--) { s = s0; /* Read an Elf32_Rela */ READ_ADDR32(s,t.r_offset); READ_WORD(s,t.r_info); READ_SWORD(s,t.r_addend); /**/ if (byteswap) { /* Swap an Elf32_Rela */ SWAP_ADDR32(t.r_offset); SWAP_WORD(t.r_info); SWAP_SWORD(t.r_addend); /**/ } *d-- = t; s0 -= fsz; } return (1); } static int libelf_cvt64_RELA_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Rela t, *d; char *s,*s0; size_t fsz; fsz = elf64_fsize(ELF_T_RELA, (size_t) 1, EV_CURRENT); d = ((Elf64_Rela *) (uintptr_t) dst) + (count - 1); s0 = (char *) src + (count - 1) * fsz; if (dsz < count * sizeof(Elf64_Rela)) return (0); while (count--) { s = s0; /* Read an Elf64_Rela */ READ_ADDR64(s,t.r_offset); READ_XWORD(s,t.r_info); READ_SXWORD(s,t.r_addend); /**/ if (byteswap) { /* Swap an Elf64_Rela */ SWAP_ADDR64(t.r_offset); SWAP_XWORD(t.r_info); SWAP_SXWORD(t.r_addend); /**/ } *d-- = t; s0 -= fsz; } return (1); } #endif /* LIBELF_CONFIG_RELA */ #if LIBELF_CONFIG_SHDR static int libelf_cvt32_SHDR_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Shdr t, *s; size_t c; (void) dsz; s = (Elf32_Shdr *) (uintptr_t) src; for (c = 0; c < count; c++) { t = *s++; if (byteswap) { /* Swap an Elf32_Shdr */ SWAP_WORD(t.sh_name); SWAP_WORD(t.sh_type); SWAP_WORD(t.sh_flags); SWAP_ADDR32(t.sh_addr); SWAP_OFF32(t.sh_offset); SWAP_WORD(t.sh_size); SWAP_WORD(t.sh_link); SWAP_WORD(t.sh_info); SWAP_WORD(t.sh_addralign); SWAP_WORD(t.sh_entsize); /**/ } /* Write an Elf32_Shdr */ WRITE_WORD(dst,t.sh_name); WRITE_WORD(dst,t.sh_type); WRITE_WORD(dst,t.sh_flags); WRITE_ADDR32(dst,t.sh_addr); WRITE_OFF32(dst,t.sh_offset); WRITE_WORD(dst,t.sh_size); WRITE_WORD(dst,t.sh_link); WRITE_WORD(dst,t.sh_info); WRITE_WORD(dst,t.sh_addralign); WRITE_WORD(dst,t.sh_entsize); /**/ } return (1); } static int libelf_cvt64_SHDR_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Shdr t, *s; size_t c; (void) dsz; s = (Elf64_Shdr *) (uintptr_t) src; for (c = 0; c < count; c++) { t = *s++; if (byteswap) { /* Swap an Elf64_Shdr */ SWAP_WORD(t.sh_name); SWAP_WORD(t.sh_type); SWAP_XWORD(t.sh_flags); SWAP_ADDR64(t.sh_addr); SWAP_OFF64(t.sh_offset); SWAP_XWORD(t.sh_size); SWAP_WORD(t.sh_link); SWAP_WORD(t.sh_info); SWAP_XWORD(t.sh_addralign); SWAP_XWORD(t.sh_entsize); /**/ } /* Write an Elf64_Shdr */ WRITE_WORD(dst,t.sh_name); WRITE_WORD(dst,t.sh_type); WRITE_XWORD(dst,t.sh_flags); WRITE_ADDR64(dst,t.sh_addr); WRITE_OFF64(dst,t.sh_offset); WRITE_XWORD(dst,t.sh_size); WRITE_WORD(dst,t.sh_link); WRITE_WORD(dst,t.sh_info); WRITE_XWORD(dst,t.sh_addralign); WRITE_XWORD(dst,t.sh_entsize); /**/ } return (1); } static int libelf_cvt32_SHDR_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Shdr t, *d; char *s,*s0; size_t fsz; fsz = elf32_fsize(ELF_T_SHDR, (size_t) 1, EV_CURRENT); d = ((Elf32_Shdr *) (uintptr_t) dst) + (count - 1); s0 = (char *) src + (count - 1) * fsz; if (dsz < count * sizeof(Elf32_Shdr)) return (0); while (count--) { s = s0; /* Read an Elf32_Shdr */ READ_WORD(s,t.sh_name); READ_WORD(s,t.sh_type); READ_WORD(s,t.sh_flags); READ_ADDR32(s,t.sh_addr); READ_OFF32(s,t.sh_offset); READ_WORD(s,t.sh_size); READ_WORD(s,t.sh_link); READ_WORD(s,t.sh_info); READ_WORD(s,t.sh_addralign); READ_WORD(s,t.sh_entsize); /**/ if (byteswap) { /* Swap an Elf32_Shdr */ SWAP_WORD(t.sh_name); SWAP_WORD(t.sh_type); SWAP_WORD(t.sh_flags); SWAP_ADDR32(t.sh_addr); SWAP_OFF32(t.sh_offset); SWAP_WORD(t.sh_size); SWAP_WORD(t.sh_link); SWAP_WORD(t.sh_info); SWAP_WORD(t.sh_addralign); SWAP_WORD(t.sh_entsize); /**/ } *d-- = t; s0 -= fsz; } return (1); } static int libelf_cvt64_SHDR_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Shdr t, *d; char *s,*s0; size_t fsz; fsz = elf64_fsize(ELF_T_SHDR, (size_t) 1, EV_CURRENT); d = ((Elf64_Shdr *) (uintptr_t) dst) + (count - 1); s0 = (char *) src + (count - 1) * fsz; if (dsz < count * sizeof(Elf64_Shdr)) return (0); while (count--) { s = s0; /* Read an Elf64_Shdr */ READ_WORD(s,t.sh_name); READ_WORD(s,t.sh_type); READ_XWORD(s,t.sh_flags); READ_ADDR64(s,t.sh_addr); READ_OFF64(s,t.sh_offset); READ_XWORD(s,t.sh_size); READ_WORD(s,t.sh_link); READ_WORD(s,t.sh_info); READ_XWORD(s,t.sh_addralign); READ_XWORD(s,t.sh_entsize); /**/ if (byteswap) { /* Swap an Elf64_Shdr */ SWAP_WORD(t.sh_name); SWAP_WORD(t.sh_type); SWAP_XWORD(t.sh_flags); SWAP_ADDR64(t.sh_addr); SWAP_OFF64(t.sh_offset); SWAP_XWORD(t.sh_size); SWAP_WORD(t.sh_link); SWAP_WORD(t.sh_info); SWAP_XWORD(t.sh_addralign); SWAP_XWORD(t.sh_entsize); /**/ } *d-- = t; s0 -= fsz; } return (1); } #endif /* LIBELF_CONFIG_SHDR */ #if LIBELF_CONFIG_SWORD static int libelf_cvt_SWORD_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Sword t, *s = (Elf64_Sword *) (uintptr_t) src; size_t c; (void) dsz; if (!byteswap) { (void) memcpy(dst, src, count * sizeof(*s)); return (1); } for (c = 0; c < count; c++) { t = *s++; SWAP_SWORD(t); WRITE_SWORD(dst,t); } return (1); } static int libelf_cvt_SWORD_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Sword t, *d = (Elf64_Sword *) (uintptr_t) dst; size_t c; if (dsz < count * sizeof(Elf64_Sword)) return (0); if (!byteswap) { (void) memcpy(dst, src, count * sizeof(*d)); return (1); } for (c = 0; c < count; c++) { READ_SWORD(src,t); SWAP_SWORD(t); *d++ = t; } return (1); } #endif /* LIBELF_CONFIG_SWORD */ #if LIBELF_CONFIG_SXWORD static int libelf_cvt_SXWORD_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Sxword t, *s = (Elf64_Sxword *) (uintptr_t) src; size_t c; (void) dsz; if (!byteswap) { (void) memcpy(dst, src, count * sizeof(*s)); return (1); } for (c = 0; c < count; c++) { t = *s++; SWAP_SXWORD(t); WRITE_SXWORD(dst,t); } return (1); } static int libelf_cvt_SXWORD_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Sxword t, *d = (Elf64_Sxword *) (uintptr_t) dst; size_t c; if (dsz < count * sizeof(Elf64_Sxword)) return (0); if (!byteswap) { (void) memcpy(dst, src, count * sizeof(*d)); return (1); } for (c = 0; c < count; c++) { READ_SXWORD(src,t); SWAP_SXWORD(t); *d++ = t; } return (1); } #endif /* LIBELF_CONFIG_SXWORD */ #if LIBELF_CONFIG_SYMINFO static int libelf_cvt32_SYMINFO_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Syminfo t, *s; size_t c; (void) dsz; s = (Elf32_Syminfo *) (uintptr_t) src; for (c = 0; c < count; c++) { t = *s++; if (byteswap) { /* Swap an Elf32_Syminfo */ SWAP_HALF(t.si_boundto); SWAP_HALF(t.si_flags); /**/ } /* Write an Elf32_Syminfo */ WRITE_HALF(dst,t.si_boundto); WRITE_HALF(dst,t.si_flags); /**/ } return (1); } static int libelf_cvt64_SYMINFO_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Syminfo t, *s; size_t c; (void) dsz; s = (Elf64_Syminfo *) (uintptr_t) src; for (c = 0; c < count; c++) { t = *s++; if (byteswap) { /* Swap an Elf64_Syminfo */ SWAP_HALF(t.si_boundto); SWAP_HALF(t.si_flags); /**/ } /* Write an Elf64_Syminfo */ WRITE_HALF(dst,t.si_boundto); WRITE_HALF(dst,t.si_flags); /**/ } return (1); } static int libelf_cvt32_SYMINFO_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Syminfo t, *d; char *s,*s0; size_t fsz; fsz = elf32_fsize(ELF_T_SYMINFO, (size_t) 1, EV_CURRENT); d = ((Elf32_Syminfo *) (uintptr_t) dst) + (count - 1); s0 = (char *) src + (count - 1) * fsz; if (dsz < count * sizeof(Elf32_Syminfo)) return (0); while (count--) { s = s0; /* Read an Elf32_Syminfo */ READ_HALF(s,t.si_boundto); READ_HALF(s,t.si_flags); /**/ if (byteswap) { /* Swap an Elf32_Syminfo */ SWAP_HALF(t.si_boundto); SWAP_HALF(t.si_flags); /**/ } *d-- = t; s0 -= fsz; } return (1); } static int libelf_cvt64_SYMINFO_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Syminfo t, *d; char *s,*s0; size_t fsz; fsz = elf64_fsize(ELF_T_SYMINFO, (size_t) 1, EV_CURRENT); d = ((Elf64_Syminfo *) (uintptr_t) dst) + (count - 1); s0 = (char *) src + (count - 1) * fsz; if (dsz < count * sizeof(Elf64_Syminfo)) return (0); while (count--) { s = s0; /* Read an Elf64_Syminfo */ READ_HALF(s,t.si_boundto); READ_HALF(s,t.si_flags); /**/ if (byteswap) { /* Swap an Elf64_Syminfo */ SWAP_HALF(t.si_boundto); SWAP_HALF(t.si_flags); /**/ } *d-- = t; s0 -= fsz; } return (1); } #endif /* LIBELF_CONFIG_SYMINFO */ #if LIBELF_CONFIG_SYM static int libelf_cvt32_SYM_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Sym t, *s; size_t c; (void) dsz; s = (Elf32_Sym *) (uintptr_t) src; for (c = 0; c < count; c++) { t = *s++; if (byteswap) { /* Swap an Elf32_Sym */ SWAP_WORD(t.st_name); SWAP_ADDR32(t.st_value); SWAP_WORD(t.st_size); SWAP_HALF(t.st_shndx); /**/ } /* Write an Elf32_Sym */ WRITE_WORD(dst,t.st_name); WRITE_ADDR32(dst,t.st_value); WRITE_WORD(dst,t.st_size); WRITE_BYTE(dst,t.st_info); WRITE_BYTE(dst,t.st_other); WRITE_HALF(dst,t.st_shndx); /**/ } return (1); } static int libelf_cvt64_SYM_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Sym t, *s; size_t c; (void) dsz; s = (Elf64_Sym *) (uintptr_t) src; for (c = 0; c < count; c++) { t = *s++; if (byteswap) { /* Swap an Elf64_Sym */ SWAP_WORD(t.st_name); SWAP_HALF(t.st_shndx); SWAP_ADDR64(t.st_value); SWAP_XWORD(t.st_size); /**/ } /* Write an Elf64_Sym */ WRITE_WORD(dst,t.st_name); WRITE_BYTE(dst,t.st_info); WRITE_BYTE(dst,t.st_other); WRITE_HALF(dst,t.st_shndx); WRITE_ADDR64(dst,t.st_value); WRITE_XWORD(dst,t.st_size); /**/ } return (1); } static int libelf_cvt32_SYM_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Sym t, *d; char *s,*s0; size_t fsz; fsz = elf32_fsize(ELF_T_SYM, (size_t) 1, EV_CURRENT); d = ((Elf32_Sym *) (uintptr_t) dst) + (count - 1); s0 = (char *) src + (count - 1) * fsz; if (dsz < count * sizeof(Elf32_Sym)) return (0); while (count--) { s = s0; /* Read an Elf32_Sym */ READ_WORD(s,t.st_name); READ_ADDR32(s,t.st_value); READ_WORD(s,t.st_size); READ_BYTE(s,t.st_info); READ_BYTE(s,t.st_other); READ_HALF(s,t.st_shndx); /**/ if (byteswap) { /* Swap an Elf32_Sym */ SWAP_WORD(t.st_name); SWAP_ADDR32(t.st_value); SWAP_WORD(t.st_size); SWAP_HALF(t.st_shndx); /**/ } *d-- = t; s0 -= fsz; } return (1); } static int libelf_cvt64_SYM_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Sym t, *d; char *s,*s0; size_t fsz; fsz = elf64_fsize(ELF_T_SYM, (size_t) 1, EV_CURRENT); d = ((Elf64_Sym *) (uintptr_t) dst) + (count - 1); s0 = (char *) src + (count - 1) * fsz; if (dsz < count * sizeof(Elf64_Sym)) return (0); while (count--) { s = s0; /* Read an Elf64_Sym */ READ_WORD(s,t.st_name); READ_BYTE(s,t.st_info); READ_BYTE(s,t.st_other); READ_HALF(s,t.st_shndx); READ_ADDR64(s,t.st_value); READ_XWORD(s,t.st_size); /**/ if (byteswap) { /* Swap an Elf64_Sym */ SWAP_WORD(t.st_name); SWAP_HALF(t.st_shndx); SWAP_ADDR64(t.st_value); SWAP_XWORD(t.st_size); /**/ } *d-- = t; s0 -= fsz; } return (1); } #endif /* LIBELF_CONFIG_SYM */ #if LIBELF_CONFIG_VDEF static int libelf_cvt32_VDEF_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Verdef t, *s; size_t c; (void) dsz; s = (Elf32_Verdef *) (uintptr_t) src; for (c = 0; c < count; c++) { t = *s++; if (byteswap) { /* Swap an Elf32_Verdef */ SWAP_HALF(t.vd_version); SWAP_HALF(t.vd_flags); SWAP_HALF(t.vd_ndx); SWAP_HALF(t.vd_cnt); SWAP_WORD(t.vd_hash); SWAP_WORD(t.vd_aux); SWAP_WORD(t.vd_next); /**/ } /* Write an Elf32_Verdef */ WRITE_HALF(dst,t.vd_version); WRITE_HALF(dst,t.vd_flags); WRITE_HALF(dst,t.vd_ndx); WRITE_HALF(dst,t.vd_cnt); WRITE_WORD(dst,t.vd_hash); WRITE_WORD(dst,t.vd_aux); WRITE_WORD(dst,t.vd_next); /**/ } return (1); } static int libelf_cvt64_VDEF_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Verdef t, *s; size_t c; (void) dsz; s = (Elf64_Verdef *) (uintptr_t) src; for (c = 0; c < count; c++) { t = *s++; if (byteswap) { /* Swap an Elf64_Verdef */ SWAP_HALF(t.vd_version); SWAP_HALF(t.vd_flags); SWAP_HALF(t.vd_ndx); SWAP_HALF(t.vd_cnt); SWAP_WORD(t.vd_hash); SWAP_WORD(t.vd_aux); SWAP_WORD(t.vd_next); /**/ } /* Write an Elf64_Verdef */ WRITE_HALF(dst,t.vd_version); WRITE_HALF(dst,t.vd_flags); WRITE_HALF(dst,t.vd_ndx); WRITE_HALF(dst,t.vd_cnt); WRITE_WORD(dst,t.vd_hash); WRITE_WORD(dst,t.vd_aux); WRITE_WORD(dst,t.vd_next); /**/ } return (1); } static int libelf_cvt32_VDEF_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Verdef t, *d; char *s,*s0; size_t fsz; fsz = elf32_fsize(ELF_T_VDEF, (size_t) 1, EV_CURRENT); d = ((Elf32_Verdef *) (uintptr_t) dst) + (count - 1); s0 = (char *) src + (count - 1) * fsz; if (dsz < count * sizeof(Elf32_Verdef)) return (0); while (count--) { s = s0; /* Read an Elf32_Verdef */ READ_HALF(s,t.vd_version); READ_HALF(s,t.vd_flags); READ_HALF(s,t.vd_ndx); READ_HALF(s,t.vd_cnt); READ_WORD(s,t.vd_hash); READ_WORD(s,t.vd_aux); READ_WORD(s,t.vd_next); /**/ if (byteswap) { /* Swap an Elf32_Verdef */ SWAP_HALF(t.vd_version); SWAP_HALF(t.vd_flags); SWAP_HALF(t.vd_ndx); SWAP_HALF(t.vd_cnt); SWAP_WORD(t.vd_hash); SWAP_WORD(t.vd_aux); SWAP_WORD(t.vd_next); /**/ } *d-- = t; s0 -= fsz; } return (1); } static int libelf_cvt64_VDEF_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Verdef t, *d; char *s,*s0; size_t fsz; fsz = elf64_fsize(ELF_T_VDEF, (size_t) 1, EV_CURRENT); d = ((Elf64_Verdef *) (uintptr_t) dst) + (count - 1); s0 = (char *) src + (count - 1) * fsz; if (dsz < count * sizeof(Elf64_Verdef)) return (0); while (count--) { s = s0; /* Read an Elf64_Verdef */ READ_HALF(s,t.vd_version); READ_HALF(s,t.vd_flags); READ_HALF(s,t.vd_ndx); READ_HALF(s,t.vd_cnt); READ_WORD(s,t.vd_hash); READ_WORD(s,t.vd_aux); READ_WORD(s,t.vd_next); /**/ if (byteswap) { /* Swap an Elf64_Verdef */ SWAP_HALF(t.vd_version); SWAP_HALF(t.vd_flags); SWAP_HALF(t.vd_ndx); SWAP_HALF(t.vd_cnt); SWAP_WORD(t.vd_hash); SWAP_WORD(t.vd_aux); SWAP_WORD(t.vd_next); /**/ } *d-- = t; s0 -= fsz; } return (1); } #endif /* LIBELF_CONFIG_VDEF */ #if LIBELF_CONFIG_VNEED static int libelf_cvt32_VNEED_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Verneed t, *s; size_t c; (void) dsz; s = (Elf32_Verneed *) (uintptr_t) src; for (c = 0; c < count; c++) { t = *s++; if (byteswap) { /* Swap an Elf32_Verneed */ SWAP_HALF(t.vn_version); SWAP_HALF(t.vn_cnt); SWAP_WORD(t.vn_file); SWAP_WORD(t.vn_aux); SWAP_WORD(t.vn_next); /**/ } /* Write an Elf32_Verneed */ WRITE_HALF(dst,t.vn_version); WRITE_HALF(dst,t.vn_cnt); WRITE_WORD(dst,t.vn_file); WRITE_WORD(dst,t.vn_aux); WRITE_WORD(dst,t.vn_next); /**/ } return (1); } static int libelf_cvt64_VNEED_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Verneed t, *s; size_t c; (void) dsz; s = (Elf64_Verneed *) (uintptr_t) src; for (c = 0; c < count; c++) { t = *s++; if (byteswap) { /* Swap an Elf64_Verneed */ SWAP_HALF(t.vn_version); SWAP_HALF(t.vn_cnt); SWAP_WORD(t.vn_file); SWAP_WORD(t.vn_aux); SWAP_WORD(t.vn_next); /**/ } /* Write an Elf64_Verneed */ WRITE_HALF(dst,t.vn_version); WRITE_HALF(dst,t.vn_cnt); WRITE_WORD(dst,t.vn_file); WRITE_WORD(dst,t.vn_aux); WRITE_WORD(dst,t.vn_next); /**/ } return (1); } static int libelf_cvt32_VNEED_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf32_Verneed t, *d; char *s,*s0; size_t fsz; fsz = elf32_fsize(ELF_T_VNEED, (size_t) 1, EV_CURRENT); d = ((Elf32_Verneed *) (uintptr_t) dst) + (count - 1); s0 = (char *) src + (count - 1) * fsz; if (dsz < count * sizeof(Elf32_Verneed)) return (0); while (count--) { s = s0; /* Read an Elf32_Verneed */ READ_HALF(s,t.vn_version); READ_HALF(s,t.vn_cnt); READ_WORD(s,t.vn_file); READ_WORD(s,t.vn_aux); READ_WORD(s,t.vn_next); /**/ if (byteswap) { /* Swap an Elf32_Verneed */ SWAP_HALF(t.vn_version); SWAP_HALF(t.vn_cnt); SWAP_WORD(t.vn_file); SWAP_WORD(t.vn_aux); SWAP_WORD(t.vn_next); /**/ } *d-- = t; s0 -= fsz; } return (1); } static int libelf_cvt64_VNEED_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Verneed t, *d; char *s,*s0; size_t fsz; fsz = elf64_fsize(ELF_T_VNEED, (size_t) 1, EV_CURRENT); d = ((Elf64_Verneed *) (uintptr_t) dst) + (count - 1); s0 = (char *) src + (count - 1) * fsz; if (dsz < count * sizeof(Elf64_Verneed)) return (0); while (count--) { s = s0; /* Read an Elf64_Verneed */ READ_HALF(s,t.vn_version); READ_HALF(s,t.vn_cnt); READ_WORD(s,t.vn_file); READ_WORD(s,t.vn_aux); READ_WORD(s,t.vn_next); /**/ if (byteswap) { /* Swap an Elf64_Verneed */ SWAP_HALF(t.vn_version); SWAP_HALF(t.vn_cnt); SWAP_WORD(t.vn_file); SWAP_WORD(t.vn_aux); SWAP_WORD(t.vn_next); /**/ } *d-- = t; s0 -= fsz; } return (1); } #endif /* LIBELF_CONFIG_VNEED */ #if LIBELF_CONFIG_WORD static int libelf_cvt_WORD_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Word t, *s = (Elf64_Word *) (uintptr_t) src; size_t c; (void) dsz; if (!byteswap) { (void) memcpy(dst, src, count * sizeof(*s)); return (1); } for (c = 0; c < count; c++) { t = *s++; SWAP_WORD(t); WRITE_WORD(dst,t); } return (1); } static int libelf_cvt_WORD_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Word t, *d = (Elf64_Word *) (uintptr_t) dst; size_t c; if (dsz < count * sizeof(Elf64_Word)) return (0); if (!byteswap) { (void) memcpy(dst, src, count * sizeof(*d)); return (1); } for (c = 0; c < count; c++) { READ_WORD(src,t); SWAP_WORD(t); *d++ = t; } return (1); } #endif /* LIBELF_CONFIG_WORD */ #if LIBELF_CONFIG_XWORD static int libelf_cvt_XWORD_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Xword t, *s = (Elf64_Xword *) (uintptr_t) src; size_t c; (void) dsz; if (!byteswap) { (void) memcpy(dst, src, count * sizeof(*s)); return (1); } for (c = 0; c < count; c++) { t = *s++; SWAP_XWORD(t); WRITE_XWORD(dst,t); } return (1); } static int libelf_cvt_XWORD_tom(char *dst, size_t dsz, char *src, size_t count, int byteswap) { Elf64_Xword t, *d = (Elf64_Xword *) (uintptr_t) dst; size_t c; if (dsz < count * sizeof(Elf64_Xword)) return (0); if (!byteswap) { (void) memcpy(dst, src, count * sizeof(*d)); return (1); } for (c = 0; c < count; c++) { READ_XWORD(src,t); SWAP_XWORD(t); *d++ = t; } return (1); } #endif /* LIBELF_CONFIG_XWORD */ #if LIBELF_CONFIG_GNUHASH /* * Sections of type ELF_T_GNUHASH start with a header containing 4 32-bit * words. Bloom filter data comes next, followed by hash buckets and the * hash chain. * * Bloom filter words are 64 bit wide on ELFCLASS64 objects and are 32 bit * wide on ELFCLASS32 objects. The other objects in this section are 32 * bits wide. * * Argument srcsz denotes the number of bytes to be converted. In the * 32-bit case we need to translate srcsz to a count of 32-bit words. */ static int libelf_cvt32_GNUHASH_tom(char *dst, size_t dsz, char *src, size_t srcsz, int byteswap) { return (libelf_cvt_WORD_tom(dst, dsz, src, srcsz / sizeof(uint32_t), byteswap)); } static int libelf_cvt32_GNUHASH_tof(char *dst, size_t dsz, char *src, size_t srcsz, int byteswap) { return (libelf_cvt_WORD_tof(dst, dsz, src, srcsz / sizeof(uint32_t), byteswap)); } static int libelf_cvt64_GNUHASH_tom(char *dst, size_t dsz, char *src, size_t srcsz, int byteswap) { size_t sz; uint64_t t64, *bloom64; Elf_GNU_Hash_Header *gh; uint32_t n, nbuckets, nchains, maskwords, shift2, symndx, t32; uint32_t *buckets, *chains; sz = 4 * sizeof(uint32_t); /* File header is 4 words long. */ if (dsz < sizeof(Elf_GNU_Hash_Header) || srcsz < sz) return (0); /* Read in the section header and byteswap if needed. */ READ_WORD(src, nbuckets); READ_WORD(src, symndx); READ_WORD(src, maskwords); READ_WORD(src, shift2); srcsz -= sz; if (byteswap) { SWAP_WORD(nbuckets); SWAP_WORD(symndx); SWAP_WORD(maskwords); SWAP_WORD(shift2); } /* Check source buffer and destination buffer sizes. */ sz = nbuckets * sizeof(uint32_t) + maskwords * sizeof(uint64_t); if (srcsz < sz || dsz < sz + sizeof(Elf_GNU_Hash_Header)) return (0); gh = (Elf_GNU_Hash_Header *) (uintptr_t) dst; gh->gh_nbuckets = nbuckets; gh->gh_symndx = symndx; gh->gh_maskwords = maskwords; gh->gh_shift2 = shift2; dsz -= sizeof(Elf_GNU_Hash_Header); dst += sizeof(Elf_GNU_Hash_Header); bloom64 = (uint64_t *) (uintptr_t) dst; /* Copy bloom filter data. */ for (n = 0; n < maskwords; n++) { READ_XWORD(src, t64); if (byteswap) SWAP_XWORD(t64); bloom64[n] = t64; } /* The hash buckets follows the bloom filter. */ dst += maskwords * sizeof(uint64_t); buckets = (uint32_t *) (uintptr_t) dst; for (n = 0; n < nbuckets; n++) { READ_WORD(src, t32); if (byteswap) SWAP_WORD(t32); buckets[n] = t32; } dst += nbuckets * sizeof(uint32_t); /* The hash chain follows the hash buckets. */ dsz -= sz; srcsz -= sz; if (dsz < srcsz) /* Destination lacks space. */ return (0); nchains = srcsz / sizeof(uint32_t); chains = (uint32_t *) (uintptr_t) dst; for (n = 0; n < nchains; n++) { READ_WORD(src, t32); if (byteswap) SWAP_WORD(t32); *chains++ = t32; } return (1); } static int libelf_cvt64_GNUHASH_tof(char *dst, size_t dsz, char *src, size_t srcsz, int byteswap) { uint32_t *s32; size_t sz, hdrsz; uint64_t *s64, t64; Elf_GNU_Hash_Header *gh; uint32_t maskwords, n, nbuckets, nchains, t0, t1, t2, t3, t32; hdrsz = 4 * sizeof(uint32_t); /* Header is 4x32 bits. */ if (dsz < hdrsz || srcsz < sizeof(Elf_GNU_Hash_Header)) return (0); gh = (Elf_GNU_Hash_Header *) (uintptr_t) src; t0 = nbuckets = gh->gh_nbuckets; t1 = gh->gh_symndx; t2 = maskwords = gh->gh_maskwords; t3 = gh->gh_shift2; src += sizeof(Elf_GNU_Hash_Header); srcsz -= sizeof(Elf_GNU_Hash_Header); dsz -= hdrsz; sz = gh->gh_nbuckets * sizeof(uint32_t) + gh->gh_maskwords * sizeof(uint64_t); if (srcsz < sz || dsz < sz) return (0); /* Write out the header. */ if (byteswap) { SWAP_WORD(t0); SWAP_WORD(t1); SWAP_WORD(t2); SWAP_WORD(t3); } WRITE_WORD(dst, t0); WRITE_WORD(dst, t1); WRITE_WORD(dst, t2); WRITE_WORD(dst, t3); /* Copy the bloom filter and the hash table. */ s64 = (uint64_t *) (uintptr_t) src; for (n = 0; n < maskwords; n++) { t64 = *s64++; if (byteswap) SWAP_XWORD(t64); WRITE_WORD64(dst, t64); } s32 = (uint32_t *) s64; for (n = 0; n < nbuckets; n++) { t32 = *s32++; if (byteswap) SWAP_WORD(t32); WRITE_WORD(dst, t32); } srcsz -= sz; dsz -= sz; /* Copy out the hash chains. */ if (dsz < srcsz) return (0); nchains = srcsz / sizeof(uint32_t); for (n = 0; n < nchains; n++) { t32 = *s32++; if (byteswap) SWAP_WORD(t32); WRITE_WORD(dst, t32); } return (1); } #endif /* LIBELF_CONFIG_GNUHASH */ #if LIBELF_CONFIG_NOTE /* * Elf_Note structures comprise a fixed size header followed by variable * length strings. The fixed size header needs to be byte swapped, but * not the strings. * * Argument count denotes the total number of bytes to be converted. * 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) { uint32_t namesz, descsz, type; Elf_Note *en; size_t sz, hdrsz; if (dsz < count) /* Destination buffer is too small. */ return (0); hdrsz = 3 * sizeof(uint32_t); if (count < hdrsz) /* Source too small. */ return (0); if (!byteswap) { (void) memcpy(dst, src, count); return (1); } /* Process all notes in the section. */ while (count > hdrsz) { /* Read the note header. */ READ_WORD(src, namesz); READ_WORD(src, descsz); READ_WORD(src, type); /* Translate. */ SWAP_WORD(namesz); SWAP_WORD(descsz); SWAP_WORD(type); /* Copy out the translated note header. */ en = (Elf_Note *) (uintptr_t) dst; en->n_namesz = namesz; en->n_descsz = descsz; en->n_type = type; dsz -= sizeof(Elf_Note); dst += sizeof(Elf_Note); count -= hdrsz; ROUNDUP2(namesz, 4); ROUNDUP2(descsz, 4); sz = namesz + descsz; if (count < sz || dsz < sz) /* Buffers are too small. */ return (0); (void) memcpy(dst, src, sz); src += sz; dst += sz; count -= sz; dsz -= sz; } return (1); } static int libelf_cvt_NOTE_tof(char *dst, size_t dsz, char *src, size_t count, int byteswap) { uint32_t namesz, descsz, type; Elf_Note *en; size_t sz; if (dsz < count) return (0); if (!byteswap) { (void) memcpy(dst, src, count); return (1); } while (count > sizeof(Elf_Note)) { en = (Elf_Note *) (uintptr_t) src; namesz = en->n_namesz; descsz = en->n_descsz; type = en->n_type; SWAP_WORD(namesz); SWAP_WORD(descsz); SWAP_WORD(type); WRITE_WORD(dst, namesz); WRITE_WORD(dst, descsz); WRITE_WORD(dst, type); src += sizeof(Elf_Note); ROUNDUP2(namesz, 4); ROUNDUP2(descsz, 4); sz = namesz + descsz; if (count < sz) sz = count; (void) memcpy(dst, src, sz); src += sz; dst += sz; count -= sz; } return (1); } #endif /* LIBELF_CONFIG_NOTE */ 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); }; static struct converters cvt[ELF_T_NUM] = { #if defined(__GNUC__) #if LIBELF_CONFIG_ADDR [ELF_T_ADDR] = { .tof32 = libelf_cvt_ADDR32_tof, .tom32 = libelf_cvt_ADDR32_tom, .tof64 = libelf_cvt_ADDR64_tof, .tom64 = libelf_cvt_ADDR64_tom }, #endif #if LIBELF_CONFIG_CAP [ELF_T_CAP] = { .tof32 = libelf_cvt32_CAP_tof, .tom32 = libelf_cvt32_CAP_tom, .tof64 = libelf_cvt64_CAP_tof, .tom64 = libelf_cvt64_CAP_tom }, #endif #if LIBELF_CONFIG_DYN [ELF_T_DYN] = { .tof32 = libelf_cvt32_DYN_tof, .tom32 = libelf_cvt32_DYN_tom, .tof64 = libelf_cvt64_DYN_tof, .tom64 = libelf_cvt64_DYN_tom }, #endif #if LIBELF_CONFIG_EHDR [ELF_T_EHDR] = { .tof32 = libelf_cvt32_EHDR_tof, .tom32 = libelf_cvt32_EHDR_tom, .tof64 = libelf_cvt64_EHDR_tof, .tom64 = libelf_cvt64_EHDR_tom }, #endif #if LIBELF_CONFIG_HALF [ELF_T_HALF] = { .tof32 = libelf_cvt_HALF_tof, .tom32 = libelf_cvt_HALF_tom, .tof64 = libelf_cvt_HALF_tof, .tom64 = libelf_cvt_HALF_tom }, #endif #if LIBELF_CONFIG_LWORD [ELF_T_LWORD] = { .tof32 = libelf_cvt_LWORD_tof, .tom32 = libelf_cvt_LWORD_tom, .tof64 = libelf_cvt_LWORD_tof, .tom64 = libelf_cvt_LWORD_tom }, #endif #if LIBELF_CONFIG_MOVE [ELF_T_MOVE] = { .tof32 = libelf_cvt32_MOVE_tof, .tom32 = libelf_cvt32_MOVE_tom, .tof64 = libelf_cvt64_MOVE_tof, .tom64 = libelf_cvt64_MOVE_tom }, #endif #if LIBELF_CONFIG_MOVEP [ELF_T_MOVEP] = { .tof32 = NULL, .tom32 = NULL, .tof64 = NULL, .tom64 = NULL }, #endif #if LIBELF_CONFIG_OFF [ELF_T_OFF] = { .tof32 = libelf_cvt_OFF32_tof, .tom32 = libelf_cvt_OFF32_tom, .tof64 = libelf_cvt_OFF64_tof, .tom64 = libelf_cvt_OFF64_tom }, #endif #if LIBELF_CONFIG_PHDR [ELF_T_PHDR] = { .tof32 = libelf_cvt32_PHDR_tof, .tom32 = libelf_cvt32_PHDR_tom, .tof64 = libelf_cvt64_PHDR_tof, .tom64 = libelf_cvt64_PHDR_tom }, #endif #if LIBELF_CONFIG_REL [ELF_T_REL] = { .tof32 = libelf_cvt32_REL_tof, .tom32 = libelf_cvt32_REL_tom, .tof64 = libelf_cvt64_REL_tof, .tom64 = libelf_cvt64_REL_tom }, #endif #if LIBELF_CONFIG_RELA [ELF_T_RELA] = { .tof32 = libelf_cvt32_RELA_tof, .tom32 = libelf_cvt32_RELA_tom, .tof64 = libelf_cvt64_RELA_tof, .tom64 = libelf_cvt64_RELA_tom }, #endif #if LIBELF_CONFIG_SHDR [ELF_T_SHDR] = { .tof32 = libelf_cvt32_SHDR_tof, .tom32 = libelf_cvt32_SHDR_tom, .tof64 = libelf_cvt64_SHDR_tof, .tom64 = libelf_cvt64_SHDR_tom }, #endif #if LIBELF_CONFIG_SWORD [ELF_T_SWORD] = { .tof32 = libelf_cvt_SWORD_tof, .tom32 = libelf_cvt_SWORD_tom, .tof64 = libelf_cvt_SWORD_tof, .tom64 = libelf_cvt_SWORD_tom }, #endif #if LIBELF_CONFIG_SXWORD [ELF_T_SXWORD] = { .tof32 = NULL, .tom32 = NULL, .tof64 = libelf_cvt_SXWORD_tof, .tom64 = libelf_cvt_SXWORD_tom }, #endif #if LIBELF_CONFIG_SYMINFO [ELF_T_SYMINFO] = { .tof32 = libelf_cvt32_SYMINFO_tof, .tom32 = libelf_cvt32_SYMINFO_tom, .tof64 = libelf_cvt64_SYMINFO_tof, .tom64 = libelf_cvt64_SYMINFO_tom }, #endif #if LIBELF_CONFIG_SYM [ELF_T_SYM] = { .tof32 = libelf_cvt32_SYM_tof, .tom32 = libelf_cvt32_SYM_tom, .tof64 = libelf_cvt64_SYM_tof, .tom64 = libelf_cvt64_SYM_tom }, #endif #if LIBELF_CONFIG_VDEF [ELF_T_VDEF] = { .tof32 = libelf_cvt32_VDEF_tof, .tom32 = libelf_cvt32_VDEF_tom, .tof64 = libelf_cvt64_VDEF_tof, .tom64 = libelf_cvt64_VDEF_tom }, #endif #if LIBELF_CONFIG_VNEED [ELF_T_VNEED] = { .tof32 = libelf_cvt32_VNEED_tof, .tom32 = libelf_cvt32_VNEED_tom, .tof64 = libelf_cvt64_VNEED_tof, .tom64 = libelf_cvt64_VNEED_tom }, #endif #if LIBELF_CONFIG_WORD [ELF_T_WORD] = { .tof32 = libelf_cvt_WORD_tof, .tom32 = libelf_cvt_WORD_tom, .tof64 = libelf_cvt_WORD_tof, .tom64 = libelf_cvt_WORD_tom }, #endif #if LIBELF_CONFIG_XWORD [ELF_T_XWORD] = { .tof32 = NULL, .tom32 = NULL, .tof64 = libelf_cvt_XWORD_tof, .tom64 = libelf_cvt_XWORD_tom }, #endif /* * Types that needs hand-coded converters follow. */ [ELF_T_BYTE] = { .tof32 = libelf_cvt_BYTE_tox, .tom32 = libelf_cvt_BYTE_tox, .tof64 = libelf_cvt_BYTE_tox, .tom64 = libelf_cvt_BYTE_tox }, #if LIBELF_CONFIG_GNUHASH [ELF_T_GNUHASH] = { .tof32 = libelf_cvt32_GNUHASH_tof, .tom32 = libelf_cvt32_GNUHASH_tom, .tof64 = libelf_cvt64_GNUHASH_tof, .tom64 = libelf_cvt64_GNUHASH_tom }, #endif /* LIBELF_CONFIG_GNUHASH */ #if LIBELF_CONFIG_NOTE [ELF_T_NOTE] = { .tof32 = libelf_cvt_NOTE_tof, .tom32 = libelf_cvt_NOTE_tom, .tof64 = libelf_cvt_NOTE_tof, .tom64 = libelf_cvt_NOTE_tom } #endif /* LIBELF_CONFIG_NOTE */ #else { libelf_cvt_ADDR32_tof, libelf_cvt_ADDR32_tom, libelf_cvt_ADDR64_tof, libelf_cvt_ADDR64_tom }, { libelf_cvt_BYTE_tox, libelf_cvt_BYTE_tox, libelf_cvt_BYTE_tox, libelf_cvt_BYTE_tox }, { 0, 0, 0, 0} , { libelf_cvt32_DYN_tof, libelf_cvt32_DYN_tom, libelf_cvt64_DYN_tof, libelf_cvt64_DYN_tom }, { libelf_cvt32_EHDR_tof, libelf_cvt32_EHDR_tom, libelf_cvt64_EHDR_tof, libelf_cvt64_EHDR_tom }, { libelf_cvt_HALF_tof, libelf_cvt_HALF_tom, libelf_cvt_HALF_tof, libelf_cvt_HALF_tom }, {0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}, #if LIBELF_CONFIG_NOTE { libelf_cvt_NOTE_tof, libelf_cvt_NOTE_tom, libelf_cvt_NOTE_tof, libelf_cvt_NOTE_tom }, #else {0, 0, 0, 0}, #endif /* LIBELF_CONFIG_NOTE */ { libelf_cvt_OFF32_tof, libelf_cvt_OFF32_tom, libelf_cvt_OFF64_tof, libelf_cvt_OFF64_tom }, { libelf_cvt32_PHDR_tof, libelf_cvt32_PHDR_tom, libelf_cvt64_PHDR_tof, libelf_cvt64_PHDR_tom }, { libelf_cvt32_REL_tof, libelf_cvt32_REL_tom, libelf_cvt64_REL_tof, libelf_cvt64_REL_tom }, { libelf_cvt32_RELA_tof, libelf_cvt32_RELA_tom, libelf_cvt64_RELA_tof, libelf_cvt64_RELA_tom }, { libelf_cvt32_SHDR_tof, libelf_cvt32_SHDR_tom, libelf_cvt64_SHDR_tof, libelf_cvt64_SHDR_tom }, { libelf_cvt_SWORD_tof, libelf_cvt_SWORD_tom, libelf_cvt_SWORD_tof, libelf_cvt_SWORD_tom }, { 0, 0, libelf_cvt_SXWORD_tof, libelf_cvt_SXWORD_tom }, {0, 0, 0, 0}, { libelf_cvt32_SYM_tof, libelf_cvt32_SYM_tom, libelf_cvt64_SYM_tof, libelf_cvt64_SYM_tom }, {0, 0, 0, 0}, {0, 0, 0, 0}, { libelf_cvt_WORD_tof, libelf_cvt_WORD_tom, libelf_cvt_WORD_tof, libelf_cvt_WORD_tom }, { 0, 0, libelf_cvt_XWORD_tof, libelf_cvt_XWORD_tom }, { libelf_cvt32_GNUHASH_tof, libelf_cvt32_GNUHASH_tom, libelf_cvt64_GNUHASH_tof, libelf_cvt64_GNUHASH_tom } #endif }; int (*_libelf_get_translator(Elf_Type t, int direction, int elfclass)) (char *_dst, size_t dsz, char *_src, size_t _cnt, int _byteswap) { assert(elfclass == ELFCLASS32 || elfclass == ELFCLASS64); assert(direction == ELF_TOFILE || direction == ELF_TOMEMORY); if (t >= ELF_T_NUM || (elfclass != ELFCLASS32 && elfclass != ELFCLASS64) || (direction != ELF_TOFILE && direction != ELF_TOMEMORY)) return (NULL); return ((elfclass == ELFCLASS32) ? (direction == ELF_TOFILE ? cvt[t].tof32 : cvt[t].tom32) : (direction == ELF_TOFILE ? cvt[t].tof64 : cvt[t].tom64)); }