From c0fbae7a40c662ae77f59f5f919cd6b88e38a85d Mon Sep 17 00:00:00 2001 From: midipix Date: Sat, 2 May 2015 10:05:51 -0400 Subject: initial commit. --- src/internal/perk_impl.h | 64 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 src/internal/perk_impl.h (limited to 'src/internal') diff --git a/src/internal/perk_impl.h b/src/internal/perk_impl.h new file mode 100644 index 0000000..497ddbe --- /dev/null +++ b/src/internal/perk_impl.h @@ -0,0 +1,64 @@ +#ifndef PERK_IMPL_H +#define PERK_IMPL_H + +#include +#include + +/* internal structures */ +struct perk_ctx { + int argc; + char ** argv; + char ** envp; + const char * fname; + int status; + int flags; + int fd; + FILE * fout; + FILE * tmp; + struct pe_raw_image map; +}; + +#if (BYTE_ORDER == LITTLE_ENDIAN) + +static inline uint16_t pe_read_short(const unsigned char * raw) +{ + return *(uint16_t *)raw; +} + +static inline uint32_t pe_read_long(const unsigned char * raw) +{ + return *(uint32_t *)raw; +} + +static inline uint64_t pe_read_quad(const unsigned char * raw) +{ + return *(uint64_t *)raw; +} + +#else + +static inline uint16_t pe_read_short(unsigned char * raw) +{ + uint16_t x = *(uint16_t *)raw; + return x<<8 | x>>8; +} + +static inline uint32_t pe_swap_long(uint32_t x) +{ + return x<<24 | (x<<8) & 0xff0000 | (x>>8) & 0xff00 | x>>24; +} + +static inline uint32_t pe_read_long(unsigned char * raw) +{ + return pe_swap_long(*(uint32_t *)raw); +} + +static inline uint64_t pe_read_quad(unsigned char * raw) +{ + uint64_t x = *(uint64_t *)raw; + return ((uint64_t)pe_swap_long(x)<<32) | pe_swap_long(x>>32); +} + +#endif + +#endif -- cgit v1.2.3