2014/10/15 下午 10:11:09

iphone Programming Glossary: load_command

How to determine binary image architecture at runtime?

http://stackoverflow.com/questions/5567215/how-to-determine-binary-image-architecture-at-runtime

#import mach o arch.h void printImage const struct mach_header header uint8_t header_ptr uint8_t header typedef struct load_command load_command const NXArchInfo info NXGetArchInfoFromCpuType header cputype header cpusubtype Print the architecture ex... o arch.h void printImage const struct mach_header header uint8_t header_ptr uint8_t header typedef struct load_command load_command const NXArchInfo info NXGetArchInfoFromCpuType header cputype header cpusubtype Print the architecture ex. armv7 printf.. cputype header cpusubtype Print the architecture ex. armv7 printf s info name header_ptr sizeof struct mach_header load_command command load_command header_ptr for int i 0 i header ncmds 0 i if command cmd LC_UUID struct uuid_command ucmd struct..

Executable encryption check anti piracy measure

http://stackoverflow.com/questions/7038143/executable-encryption-check-anti-piracy-measure

not find main symbol very odd return NO header dlinfo.dli_fbase Compute the image size and search for a UUID struct load_command cmd struct load_command header 1 for uint32_t i 0 cmd NULL i header ncmds i Encryption info segment if cmd cmd LC_ENCRYPTION_INFO.. very odd return NO header dlinfo.dli_fbase Compute the image size and search for a UUID struct load_command cmd struct load_command header 1 for uint32_t i 0 cmd NULL i header ncmds i Encryption info segment if cmd cmd LC_ENCRYPTION_INFO struct encryption_info_command.. cmd Check if binary encryption is enabled if crypt_cmd cryptid 1 return NO return YES cmd struct load_command uint8_t cmd cmd cmdsize return NO This method checks to see if the binary is still encrypted. When I run this on the device..