X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/3903760236c30e3b5ace7a4eefac3a269d68957c..bca245acd4c03fd752d1a45f011ad495e60fe53d:/libkern/os/internal.c diff --git a/libkern/os/internal.c b/libkern/os/internal.c index fca4dc083..1b39417f5 100644 --- a/libkern/os/internal.c +++ b/libkern/os/internal.c @@ -28,58 +28,58 @@ static bool _os_trace_addr_in_text_segment_32(const void *dso, const void *addr) { - const struct mach_header *mhp = (const struct mach_header *) dso; - const struct segment_command *sgp = (const struct segment_command *)(const void *)((const char *)mhp + sizeof(struct mach_header)); + const struct mach_header *mhp = (const struct mach_header *) dso; + const struct segment_command *sgp = (const struct segment_command *)(const void *)((const char *)mhp + sizeof(struct mach_header)); - for (uint32_t i = 0; i < mhp->ncmds; i++) { - if (sgp->cmd == LC_SEGMENT) { - if (strncmp(sgp->segname, SEG_TEXT, sizeof(sgp->segname)) == 0) { - return ((uintptr_t)addr >= (sgp->vmaddr) && (uintptr_t)addr < (sgp->vmaddr + sgp->vmsize)); - } - } - sgp = (const struct segment_command *)(const void *)((const char *)sgp + sgp->cmdsize); - } + for (uint32_t i = 0; i < mhp->ncmds; i++) { + if (sgp->cmd == LC_SEGMENT) { + if (strncmp(sgp->segname, SEG_TEXT, sizeof(sgp->segname)) == 0) { + return (uintptr_t)addr >= (sgp->vmaddr) && (uintptr_t)addr < (sgp->vmaddr + sgp->vmsize); + } + } + sgp = (const struct segment_command *)(const void *)((const char *)sgp + sgp->cmdsize); + } - return false; + return false; } static bool _os_trace_addr_in_text_segment_64(const void *dso, const void *addr) { - const struct mach_header_64 *mhp = (const struct mach_header_64 *) dso; - const struct segment_command_64 *sgp = (const struct segment_command_64 *)(const void *)((const char *)mhp + sizeof(struct mach_header_64)); + const struct mach_header_64 *mhp = (const struct mach_header_64 *) dso; + const struct segment_command_64 *sgp = (const struct segment_command_64 *)(const void *)((const char *)mhp + sizeof(struct mach_header_64)); - for (uint32_t i = 0; i < mhp->ncmds; i++) { - if (sgp->cmd == LC_SEGMENT_64) { - if (strncmp(sgp->segname, SEG_TEXT, sizeof(sgp->segname)) == 0) { - return ((uintptr_t)addr >= (sgp->vmaddr) && (uintptr_t)addr < (sgp->vmaddr + sgp->vmsize)); - } - } - sgp = (const struct segment_command_64 *)(const void *)((const char *)sgp + sgp->cmdsize); - } + for (uint32_t i = 0; i < mhp->ncmds; i++) { + if (sgp->cmd == LC_SEGMENT_64) { + if (strncmp(sgp->segname, SEG_TEXT, sizeof(sgp->segname)) == 0) { + return (uintptr_t)addr >= (sgp->vmaddr) && (uintptr_t)addr < (sgp->vmaddr + sgp->vmsize); + } + } + sgp = (const struct segment_command_64 *)(const void *)((const char *)sgp + sgp->cmdsize); + } - return false; + return false; } bool _os_trace_addr_in_text_segment(const void *dso, const void *addr) { - const struct mach_header *mhp = (const struct mach_header *) dso; - bool retval = false; + const struct mach_header *mhp = (const struct mach_header *) dso; + bool retval = false; - switch (mhp->magic) { - case MH_MAGIC: - retval = _os_trace_addr_in_text_segment_32(dso, addr); - break; + switch (mhp->magic) { + case MH_MAGIC: + retval = _os_trace_addr_in_text_segment_32(dso, addr); + break; - case MH_MAGIC_64: - retval = _os_trace_addr_in_text_segment_64(dso, addr); - break; + case MH_MAGIC_64: + retval = _os_trace_addr_in_text_segment_64(dso, addr); + break; - default: - retval = false; - break; - } + default: + retval = false; + break; + } - return retval; + return retval; }