[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [PATCH v2 2/2] Mini-OS: keep a positive list of externally visible symbols
Add a mini-os.map file containing all global symbols that are allowed to be referenced by an application or library. Hide all other symbols of Mini-OS from being visible externally. Signed-off-by: Juergen Gross <jgross@xxxxxxxx> --- V2: - added more symbols (Samuel Thibault) - sorted symbols in each section alphabetically --- Makefile | 3 +- mini-os.map | 295 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 297 insertions(+), 1 deletion(-) create mode 100644 mini-os.map diff --git a/Makefile b/Makefile index 85c6db75..d4768110 100644 --- a/Makefile +++ b/Makefile @@ -164,8 +164,9 @@ endif $(OBJ_DIR)/arch/x86/minios-x86%.lds: arch/x86/minios-x86.lds.S $(CPP) $(ASFLAGS) -P $< -o $@ -$(OBJ_DIR)/$(TARGET)-kern.o: $(OBJS) arch_lib $(OBJ_DIR)/$(TARGET_ARCH_DIR)/minios-$(MINIOS_TARGET_ARCH).lds +$(OBJ_DIR)/$(TARGET)-kern.o: $(OBJS) arch_lib $(OBJ_DIR)/$(TARGET_ARCH_DIR)/minios-$(MINIOS_TARGET_ARCH).lds mini-os.map $(LD) -r $(LDFLAGS) $(HEAD_OBJ) $(OBJS) $(LDARCHLIB) -o $@ + $(OBJCOPY) -w -G $(GLOBAL_PREFIX)* --keep-global-symbols=mini-os.map $@ $@ $(OBJ_DIR)/$(TARGET): $(OBJ_DIR)/$(TARGET)-kern.o $(APP_O) $(LD) -r $(LDFLAGS) $(OBJ_DIR)/$(TARGET)-kern.o $(APP_O) $(LDLIBS) -o $@.o diff --git a/mini-os.map b/mini-os.map new file mode 100644 index 00000000..58a3a0ee --- /dev/null +++ b/mini-os.map @@ -0,0 +1,295 @@ +# Mini-OS symbols being externally visible +# entry point +_start +# Mini-OS service functions +alloc_fd +alloc_file_type +alloc_pages +bind_pirq +bind_virq +block +clear_evtchn +console_print +create_thread +do_map_frames +event_queue +evtchn_alloc_unbound +evtchn_bind_interdomain +evtchn_get_peercontext +exit_thread +free_pages +get_domid +get_file_from_fd +gntmap_fini +gntmap_init +gntmap_map_grant_refs +gntmap_munmap +gntmap_set_max_grants +gnttabop_error +gnttab_alloc_and_grant +gnttab_grant_access +gnttab_grant_transfer +gnttab_end_transfer +gnttab_end_access +hypercall_page +ioremap +ioremap_nocache +iounmap +map_frames_ex +map_frame_rw +map_frame_virt +mask_evtchn +msleep +need_pgt +printk +schedule +stop_kernel +unbind_evtchn +unmap_frames +unmask_evtchn +wake +xencons_ring_avail +xprintk +__local_irq_restore +__local_irq_save +# libgcc +__divdi3 +__moddi3 +__qdivrem +__udivdi3 +__udivmoddi4 +__umoddi3 +# libc +accept +bind +cfmakeraw +chdir +clock_gettime +close +closedir +closelog +connect +do_exit +dup +dup2 +err +errx +execv +fcntl +ffs +ffsl +ffsll +fork +free +fstat64 +fsync +ftruncate +getegid +geteuid +getgid +gethostname +getpagesize +getpeername +getpid +getsockname +getsockopt +gettimeofday +getuid +htonl +htons +inet_aton +inet_ntoa +ioctl +isatty +kill +link +listen +lockf +lseek64 +malloc +memcmp +memcpy +memset +mkdir +mmap64 +munmap +nanosleep +nice +ntohl +ntohs +open64 +opendir +openlog +pipe +poll +posix_openpt +read +readdir +realloc +recv +recvfrom +rmdir +sbrk +scnprintf +select +select_read_flag +send +sendto +setsid +setsockopt +shutdown +sigaction +sleep +snprintf +socket +sprintf +sscanf +stat +strcat +strchr +strcmp +strcpy +strdup +strlen +strncmp +strncpy +strnlen +strrchr +strstr +strtoq +strtoul +strtouq +sysconf +syslog +tcgetattr +tcsetattr +umask +unlink +usleep +verr +verrx +vscnprintf +vsnprintf +vsprintf +vsscanf +vsyslog +vwarn +vwarnx +waitpid +warn +warnx +write +_ctype +_exit +_fini +_init +___lock_acquire +___lock_acquire_recursive +___lock_init_recursive +___lock_release +___lock_release_recursive +# 9pfront driver +init_9pfront +shutdown_9pfront +# blkfront driver +blkfront_aio +blkfront_aio_poll +blkfront_aio_push_operation +blkfront_io +blkfront_open +blkfront_queue +blkfront_sync +init_blkfront +shutdown_blkfront +# fbfront driver +fbfront_open +fbfront_receive +fbfront_resize +fbfront_update +init_fbfront +shutdown_fbfront +# kbdfront driver +init_kbdfront +kbdfront_open +kbdfront_receive +shutdown_kbdfront +# netfront driver +init_netfront +netfront_get_gateway +netfront_get_netmask +netfront_receive +netfront_tap_open +netfront_xmit +networking_set_addr +resume_netfront +shutdown_netfront +start_networking +stop_networking +suspend_netfront +# pcifront driver +init_pcifront +pcifront_conf_read +pcifront_conf_write +pcifront_disable_msi +pcifront_disable_msix +pcifront_enable_msi +pcifront_enable_msix +pcifront_op +pcifront_scan +shutdown_pcifront +# tpmback driver +init_tpmback +shutdown_tpmback +tpmback_get_opaque +tpmback_get_peercontext +tpmback_get_uuid +tpmback_num_frontends +tpmback_req +tpmback_req_any +tpmback_resp +tpmback_set_opaque +tpmback_wait_for_frontend_connect +# tpmfront driver +init_tpmfront +shutdown_tpmfront +tpmfront_cmd +tpmfront_open +tpmfront_set_locality +# tpm_tis driver +init_tpm_tis +init_tpm2_tis +tpm_tis_cmd +tpm_tis_open +tpm_tis_request_locality +# xenbus driver +xenbus_get_perms +xenbus_get_self_id +xenbus_ls +xenbus_msg_reply +xenbus_printf +xenbus_read +xenbus_read_integer +xenbus_read_uuid +xenbus_rm +xenbus_set_perms +xenbus_transaction_end +xenbus_switch_state +xenbus_transaction_start +xenbus_unwatch_path_token +xenbus_wait_for_state_change +xenbus_wait_for_value +xenbus_wait_for_watch +xenbus_wait_for_watch_return +xenbus_watch_path_token +xenbus_write +xenstore_buf +xs_daemon_open +xs_directory +xs_fileno +xs_get_domain_path +xs_read +xs_read_watch +xs_rm +xs_unwatch +xs_watch +xs_write -- 2.35.3
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