diff options
Diffstat (limited to 'ld')
| -rw-r--r-- | ld/ChangeLog | 23 | ||||
| -rw-r--r-- | ld/NEWS | 3 | ||||
| -rw-r--r-- | ld/emultempl/pe.em | 75 | ||||
| -rw-r--r-- | ld/emultempl/pep.em | 91 | ||||
| -rw-r--r-- | ld/ld.texi | 34 | ||||
| -rw-r--r-- | ld/pe-dll.c | 10 | ||||
| -rw-r--r-- | ld/testsuite/ld-pe/pe.exp | 6 | ||||
| -rw-r--r-- | ld/testsuite/ld-scripts/provide-8.d | 2 |
8 files changed, 201 insertions, 43 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog index 8bdc015..7a00278 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,26 @@ +2020-08-27 Jeremy Drake <sourceware-bugzilla@jdrake.com> + + PR 19011 + * emultempl/pe.em (DEFAULT_DLL_CHARACTERISTICS): Define. + (pe_dll_characteristics): Initialise to DEFAULT_DLL_CHARACTERISTICS. + (add_options): Add options to disable DLL characteristics. + (list_options): List the new options. + (handle_options): Handle the new options. + * emultempl/pep.em: Similar changes to above. + (NT_EXE_IMAGE_BASE): Default to an address above 4G. + (NT_DLL_IMAGE_BASE, NT_DLL_AUTO_IMAGE_BASE, + (NT_DLL_AUTO_IMAGE_MASK): Likewise. + * ld.texi: Document the new options. + * pe-dll.c (pe_dll_enable_reloc_section): Change to default to + true. + (generate_reloc): Do nothing if there is no reloc section. + (pe_exe_fill_sections): Only assign the reloc section contents if + the section exists. + * testsuite/ld-pe/pe.exp: Add the --disable-reloc-section flag to + the .secrel32 tests. + * testsuite/ld-scripts/provide-8.d: Expect for fail on PE targets. + * NEWS: Mention the change in DLL generation. + 2020-08-26 H.J. Lu <hongjiu.lu@intel.com> * testsuite/ld-elf/indirect.exp: Append $NOSANTIZE_CFLAGS to CC. @@ -1,5 +1,8 @@ -*- text -*- +* The creation of PE format DLLs now defaults to using a more secure set of DLL + characteristics. + * The linker now deduplicates the types in .ctf sections. The new command-line option --ctf-share-types describes how to do this: its default value, share-unconflicted, produces the most compact diff --git a/ld/emultempl/pe.em b/ld/emultempl/pe.em index eb7c812..9d2097f 100644 --- a/ld/emultempl/pe.em +++ b/ld/emultempl/pe.em @@ -104,6 +104,9 @@ fragment <<EOF #define DEFAULT_PSEUDO_RELOC_VERSION 1 #endif +#define DEFAULT_DLL_CHARACTERISTICS (IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE \ + | IMAGE_DLL_CHARACTERISTICS_NX_COMPAT) + #if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT) #define PE_DEF_SUBSYSTEM 3 #else @@ -129,7 +132,7 @@ static flagword real_flags = 0; static int support_old_code = 0; static char * thumb_entry_symbol = NULL; static lang_assignment_statement_type *image_base_statement = 0; -static unsigned short pe_dll_characteristics = 0; +static unsigned short pe_dll_characteristics = DEFAULT_DLL_CHARACTERISTICS; static bfd_boolean insert_timestamp = TRUE; static const char *emit_build_id; @@ -271,6 +274,17 @@ fragment <<EOF #define OPTION_NO_INSERT_TIMESTAMP (OPTION_INSERT_TIMESTAMP + 1) #define OPTION_BUILD_ID (OPTION_NO_INSERT_TIMESTAMP + 1) #define OPTION_ENABLE_RELOC_SECTION (OPTION_BUILD_ID + 1) +#define OPTION_DISABLE_RELOC_SECTION (OPTION_ENABLE_RELOC_SECTION + 1) +/* DLL Characteristics flags. */ +#define OPTION_DISABLE_DYNAMIC_BASE (OPTION_DISABLE_RELOC_SECTION + 1) +#define OPTION_DISABLE_FORCE_INTEGRITY (OPTION_DISABLE_DYNAMIC_BASE + 1) +#define OPTION_DISABLE_NX_COMPAT (OPTION_DISABLE_FORCE_INTEGRITY + 1) +#define OPTION_DISABLE_NO_ISOLATION (OPTION_DISABLE_NX_COMPAT + 1) +#define OPTION_DISABLE_NO_SEH (OPTION_DISABLE_NO_ISOLATION + 1) +#define OPTION_DISABLE_NO_BIND (OPTION_DISABLE_NO_SEH + 1) +#define OPTION_DISABLE_WDM_DRIVER (OPTION_DISABLE_NO_BIND + 1) +#define OPTION_DISABLE_TERMINAL_SERVER_AWARE \ + (OPTION_DISABLE_WDM_DRIVER + 1) static void gld${EMULATION_NAME}_add_options @@ -342,15 +356,24 @@ gld${EMULATION_NAME}_add_options {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES}, {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES}, {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE}, + {"disable-dynamicbase",no_argument, NULL, OPTION_DISABLE_DYNAMIC_BASE}, {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY}, + {"disable-forceinteg", no_argument, NULL, OPTION_DISABLE_FORCE_INTEGRITY}, {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT}, + {"disable-nxcompat", no_argument, NULL, OPTION_DISABLE_NX_COMPAT}, {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION}, + {"disable-no-isolation", no_argument, NULL, OPTION_DISABLE_NO_ISOLATION}, {"no-seh", no_argument, NULL, OPTION_NO_SEH}, + {"disable-no-seh", no_argument, NULL, OPTION_DISABLE_NO_SEH}, {"no-bind", no_argument, NULL, OPTION_NO_BIND}, + {"disable-no-bind", no_argument, NULL, OPTION_DISABLE_NO_BIND}, {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER}, + {"disable-wdmdriver", no_argument, NULL, OPTION_DISABLE_WDM_DRIVER}, {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE}, + {"disable-tsaware", no_argument, NULL, OPTION_DISABLE_TERMINAL_SERVER_AWARE}, {"build-id", optional_argument, NULL, OPTION_BUILD_ID}, {"enable-reloc-section", no_argument, NULL, OPTION_ENABLE_RELOC_SECTION}, + {"disable-reloc-section", no_argument, NULL, OPTION_DISABLE_RELOC_SECTION}, {NULL, no_argument, NULL, 0} }; @@ -414,7 +437,7 @@ static definfo init[] = D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE), D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE), D(LoaderFlags,"__loader_flags__", 0x0, FALSE), - D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE), + D(DllCharacteristics, "__dll_characteristics__", DEFAULT_DLL_CHARACTERISTICS, FALSE), { NULL, 0, 0, NULL, 0 , FALSE} }; @@ -483,18 +506,21 @@ gld_${EMULATION_NAME}_list_options (FILE *file) executable image files\n")); fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\ in object files\n")); - fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\ + fprintf (file, _(" --[disable-]dynamicbase Image base address may be relocated using\n\ address space layout randomization (ASLR)\n")); fprintf (file, _(" --enable-reloc-section Create the base relocation table\n")); - fprintf (file, _(" --forceinteg Code integrity checks are enforced\n")); - fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n")); - fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n")); - fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\ + fprintf (file, _(" --disable-reloc-section Do not create the base relocation table\n")); + fprintf (file, _(" --[disable-]forceinteg Code integrity checks are enforced\n")); + fprintf (file, _(" --[disable-]nxcompat Image is compatible with data execution\n\ + prevention\n")); + fprintf (file, _(" --[disable-]no-isolation Image understands isolation but do not\n\ + isolate the image\n")); + fprintf (file, _(" --[disable-]no-seh Image does not use SEH. No SE handler may\n\ be called in this image\n")); - fprintf (file, _(" --no-bind Do not bind this image\n")); - fprintf (file, _(" --wdmdriver Driver uses the WDM model\n")); - fprintf (file, _(" --tsaware Image is Terminal Server aware\n")); - fprintf (file, _(" --build-id[=STYLE] Generate build ID\n")); + fprintf (file, _(" --[disable-]no-bind Do not bind this image\n")); + fprintf (file, _(" --[disable-]wdmdriver Driver uses the WDM model\n")); + fprintf (file, _(" --[disable-]tsaware Image is Terminal Server aware\n")); + fprintf (file, _(" --build-id[=STYLE] Generate build ID\n")); } @@ -862,27 +888,54 @@ gld${EMULATION_NAME}_handle_option (int optc) case OPTION_ENABLE_RELOC_SECTION: pe_dll_enable_reloc_section = 1; break; + case OPTION_DISABLE_RELOC_SECTION: + pe_dll_enable_reloc_section = 0; + /* fall through */ + case OPTION_DISABLE_DYNAMIC_BASE: + pe_dll_characteristics &= ~ IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE; + break; case OPTION_FORCE_INTEGRITY: pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY; break; + case OPTION_DISABLE_FORCE_INTEGRITY: + pe_dll_characteristics &= ~ IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY; + break; case OPTION_NX_COMPAT: pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT; break; + case OPTION_DISABLE_NX_COMPAT: + pe_dll_characteristics &= ~ IMAGE_DLL_CHARACTERISTICS_NX_COMPAT; + break; case OPTION_NO_ISOLATION: pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION; break; + case OPTION_DISABLE_NO_ISOLATION: + pe_dll_characteristics &= ~ IMAGE_DLLCHARACTERISTICS_NO_ISOLATION; + break; case OPTION_NO_SEH: pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH; break; + case OPTION_DISABLE_NO_SEH: + pe_dll_characteristics &= ~ IMAGE_DLLCHARACTERISTICS_NO_SEH; + break; case OPTION_NO_BIND: pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND; break; + case OPTION_DISABLE_NO_BIND: + pe_dll_characteristics &= ~ IMAGE_DLLCHARACTERISTICS_NO_BIND; + break; case OPTION_WDM_DRIVER: pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER; break; + case OPTION_DISABLE_WDM_DRIVER: + pe_dll_characteristics &= ~ IMAGE_DLLCHARACTERISTICS_WDM_DRIVER; + break; case OPTION_TERMINAL_SERVER_AWARE: pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE; break; + case OPTION_DISABLE_TERMINAL_SERVER_AWARE: + pe_dll_characteristics &= ~ IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE; + break; case OPTION_BUILD_ID: free ((char *) emit_build_id); emit_build_id = NULL; diff --git a/ld/emultempl/pep.em b/ld/emultempl/pep.em index a0a7023..7d93951 100644 --- a/ld/emultempl/pep.em +++ b/ld/emultempl/pep.em @@ -99,24 +99,28 @@ fragment <<EOF #define DLL_SUPPORT #endif +#define DEFAULT_DLL_CHARACTERISTICS (IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE \ + | IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA \ + | IMAGE_DLL_CHARACTERISTICS_NX_COMPAT) + #if defined(TARGET_IS_i386pep) || ! defined(DLL_SUPPORT) #define PE_DEF_SUBSYSTEM 3 #undef NT_EXE_IMAGE_BASE #define NT_EXE_IMAGE_BASE \ ((bfd_vma) (${move_default_addr_high} ? 0x100400000LL \ - : 0x400000LL)) + : 0x140000000LL)) #undef NT_DLL_IMAGE_BASE #define NT_DLL_IMAGE_BASE \ ((bfd_vma) (${move_default_addr_high} ? 0x400000000LL \ - : 0x10000000LL)) + : 0x180000000LL)) #undef NT_DLL_AUTO_IMAGE_BASE #define NT_DLL_AUTO_IMAGE_BASE \ ((bfd_vma) (${move_default_addr_high} ? 0x400000000LL \ - : 0x61300000LL)) + : 0x1C0000000LL)) #undef NT_DLL_AUTO_IMAGE_MASK #define NT_DLL_AUTO_IMAGE_MASK \ ((bfd_vma) (${move_default_addr_high} ? 0x1ffff0000LL \ - : 0x0ffc0000LL)) + : 0x1ffff0000LL)) #else #undef NT_EXE_IMAGE_BASE #define NT_EXE_IMAGE_BASE \ @@ -147,7 +151,7 @@ static int pep_subsystem = ${SUBSYSTEM}; static flagword real_flags = IMAGE_FILE_LARGE_ADDRESS_AWARE; static int support_old_code = 0; static lang_assignment_statement_type *image_base_statement = 0; -static unsigned short pe_dll_characteristics = 0; +static unsigned short pe_dll_characteristics = DEFAULT_DLL_CHARACTERISTICS; static bfd_boolean insert_timestamp = TRUE; static const char *emit_build_id; @@ -248,7 +252,17 @@ enum options OPTION_NO_INSERT_TIMESTAMP, OPTION_TERMINAL_SERVER_AWARE, OPTION_BUILD_ID, - OPTION_ENABLE_RELOC_SECTION + OPTION_ENABLE_RELOC_SECTION, + OPTION_DISABLE_RELOC_SECTION, + OPTION_DISABLE_HIGH_ENTROPY_VA, + OPTION_DISABLE_DYNAMIC_BASE, + OPTION_DISABLE_FORCE_INTEGRITY, + OPTION_DISABLE_NX_COMPAT, + OPTION_DISABLE_NO_ISOLATION, + OPTION_DISABLE_NO_SEH, + OPTION_DISABLE_NO_BIND, + OPTION_DISABLE_WDM_DRIVER, + OPTION_DISABLE_TERMINAL_SERVER_AWARE }; static void @@ -327,6 +341,16 @@ gld${EMULATION_NAME}_add_options {"no-insert-timestamp", no_argument, NULL, OPTION_NO_INSERT_TIMESTAMP}, {"build-id", optional_argument, NULL, OPTION_BUILD_ID}, {"enable-reloc-section", no_argument, NULL, OPTION_ENABLE_RELOC_SECTION}, + {"disable-reloc-section", no_argument, NULL, OPTION_DISABLE_RELOC_SECTION}, + {"disable-high-entropy-va", no_argument, NULL, OPTION_DISABLE_HIGH_ENTROPY_VA}, + {"disable-dynamicbase",no_argument, NULL, OPTION_DISABLE_DYNAMIC_BASE}, + {"disable-forceinteg", no_argument, NULL, OPTION_DISABLE_FORCE_INTEGRITY}, + {"disable-nxcompat", no_argument, NULL, OPTION_DISABLE_NX_COMPAT}, + {"disable-no-isolation", no_argument, NULL, OPTION_DISABLE_NO_ISOLATION}, + {"disable-no-seh", no_argument, NULL, OPTION_DISABLE_NO_SEH}, + {"disable-no-bind", no_argument, NULL, OPTION_DISABLE_NO_BIND}, + {"disable-wdmdriver", no_argument, NULL, OPTION_DISABLE_WDM_DRIVER}, + {"disable-tsaware", no_argument, NULL, OPTION_DISABLE_TERMINAL_SERVER_AWARE}, {NULL, no_argument, NULL, 0} }; @@ -384,7 +408,7 @@ static definfo init[] = D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE), D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE), D(LoaderFlags,"__loader_flags__", 0x0, FALSE), - D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE), + D(DllCharacteristics, "__dll_characteristics__", DEFAULT_DLL_CHARACTERISTICS, FALSE), { NULL, 0, 0, NULL, 0, FALSE} }; @@ -446,20 +470,23 @@ gld_${EMULATION_NAME}_list_options (FILE *file) executable image files\n")); fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\ in object files\n")); - fprintf (file, _(" --high-entropy-va Image is compatible with 64-bit address space\n\ + fprintf (file, _(" --[disable-]high-entropy-va Image is compatible with 64-bit address space\n\ layout randomization (ASLR)\n")); - fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\ + fprintf (file, _(" --[disable-]dynamicbase Image base address may be relocated using\n\ address space layout randomization (ASLR)\n")); fprintf (file, _(" --enable-reloc-section Create the base relocation table\n")); - fprintf (file, _(" --forceinteg Code integrity checks are enforced\n")); - fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n")); - fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n")); - fprintf (file, _(" --no-seh Image does not use SEH; no SE handler may\n\ + fprintf (file, _(" --disable-reloc-section Do not create the base relocation table\n")); + fprintf (file, _(" --[disable-]forceinteg Code integrity checks are enforced\n")); + fprintf (file, _(" --[disable-]nxcompat Image is compatible with data execution\n\ + prevention\n")); + fprintf (file, _(" --[disable-]no-isolation Image understands isolation but do not\n\ + isolate the image\n")); + fprintf (file, _(" --[disable-]no-seh Image does not use SEH; no SE handler may\n\ be called in this image\n")); - fprintf (file, _(" --no-bind Do not bind this image\n")); - fprintf (file, _(" --wdmdriver Driver uses the WDM model\n")); - fprintf (file, _(" --tsaware Image is Terminal Server aware\n")); - fprintf (file, _(" --build-id[=STYLE] Generate build ID\n")); + fprintf (file, _(" --[disable-]no-bind Do not bind this image\n")); + fprintf (file, _(" --[disable-]wdmdriver Driver uses the WDM model\n")); + fprintf (file, _(" --[disable-]tsaware Image is Terminal Server aware\n")); + fprintf (file, _(" --build-id[=STYLE] Generate build ID\n")); #endif } @@ -809,27 +836,57 @@ gld${EMULATION_NAME}_handle_option (int optc) case OPTION_ENABLE_RELOC_SECTION: pep_dll_enable_reloc_section = 1; break; + case OPTION_DISABLE_RELOC_SECTION: + pep_dll_enable_reloc_section = 0; + /* fall through */ + case OPTION_DISABLE_DYNAMIC_BASE: + pe_dll_characteristics &= ~ IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE; + /* fall through */ + case OPTION_DISABLE_HIGH_ENTROPY_VA: + pe_dll_characteristics &= ~ IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA; + break; case OPTION_FORCE_INTEGRITY: pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY; break; + case OPTION_DISABLE_FORCE_INTEGRITY: + pe_dll_characteristics &= ~ IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY; + break; case OPTION_NX_COMPAT: pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT; break; + case OPTION_DISABLE_NX_COMPAT: + pe_dll_characteristics &= ~ IMAGE_DLL_CHARACTERISTICS_NX_COMPAT; + break; case OPTION_NO_ISOLATION: pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION; break; + case OPTION_DISABLE_NO_ISOLATION: + pe_dll_characteristics &= ~ IMAGE_DLLCHARACTERISTICS_NO_ISOLATION; + break; case OPTION_NO_SEH: pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH; break; + case OPTION_DISABLE_NO_SEH: + pe_dll_characteristics &= ~ IMAGE_DLLCHARACTERISTICS_NO_SEH; + break; case OPTION_NO_BIND: pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND; break; + case OPTION_DISABLE_NO_BIND: + pe_dll_characteristics &= ~ IMAGE_DLLCHARACTERISTICS_NO_BIND; + break; case OPTION_WDM_DRIVER: pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER; break; + case OPTION_DISABLE_WDM_DRIVER: + pe_dll_characteristics &= ~ IMAGE_DLLCHARACTERISTICS_WDM_DRIVER; + break; case OPTION_TERMINAL_SERVER_AWARE: pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE; break; + case OPTION_DISABLE_TERMINAL_SERVER_AWARE: + pe_dll_characteristics &= ~ IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE; + break; case OPTION_BUILD_ID: free ((char *) emit_build_id); emit_build_id = NULL; @@ -3129,47 +3129,63 @@ of the PE file header: @kindex --high-entropy-va @item --high-entropy-va +@itemx --disable-high-entropy-va Image is compatible with 64-bit address space layout randomization -(ASLR). +(ASLR). This option is enabled by default for 64-bit PE images. + This option also implies @option{--dynamicbase} and @option{--enable-reloc-section}. @kindex --dynamicbase @item --dynamicbase +@itemx --disable-dynamicbase The image base address may be relocated using address space layout randomization (ASLR). This feature was introduced with MS Windows -Vista for i386 PE targets. +Vista for i386 PE targets. This option is enabled by default but +can be disabled via the @option{--disable-dynamicbase} option. This option also implies @option{--enable-reloc-section}. @kindex --forceinteg @item --forceinteg -Code integrity checks are enforced. +@itemx --disable-forceinteg +Code integrity checks are enforced. This option is disabled by +default. @kindex --nxcompat @item --nxcompat +@item --disable-nxcompat The image is compatible with the Data Execution Prevention. -This feature was introduced with MS Windows XP SP2 for i386 PE targets. +This feature was introduced with MS Windows XP SP2 for i386 PE +targets. The option is enabled by default. @kindex --no-isolation @item --no-isolation +@itemx --disable-no-isolation Although the image understands isolation, do not isolate the image. +This option is disabled by default. @kindex --no-seh @item --no-seh +@itemx --disable-no-seh The image does not use SEH. No SE handler may be called from -this image. +this image. This option is disabled by default. @kindex --no-bind @item --no-bind -Do not bind this image. +@itemx --disable-no-bind +Do not bind this image. This option is disabled by default. @kindex --wdmdriver @item --wdmdriver -The driver uses the MS Windows Driver Model. +@itemx --disable-wdmdriver +The driver uses the MS Windows Driver Model. This option is disabled +by default. @kindex --tsaware @item --tsaware -The image is Terminal Server aware. +@itemx --disable-tsaware +The image is Terminal Server aware. This option is disabled by +default. @kindex --insert-timestamp @item --insert-timestamp @@ -3185,8 +3201,10 @@ identically. @kindex --enable-reloc-section @item --enable-reloc-section +@itemx --disable-reloc-section Create the base relocation table, which is necessary if the image is loaded at a different image base than specified in the PE header. +This option is enabled by default. @end table @c man end diff --git a/ld/pe-dll.c b/ld/pe-dll.c index 39c8e4c..f2a1798 100644 --- a/ld/pe-dll.c +++ b/ld/pe-dll.c @@ -160,7 +160,7 @@ int pe_dll_extra_pe_debug = 0; int pe_use_nul_prefixed_import_tables = 0; int pe_use_coff_long_section_names = -1; int pe_leading_underscore = -1; -int pe_dll_enable_reloc_section = 0; +int pe_dll_enable_reloc_section = 1; /* Static variables and types. */ @@ -1506,7 +1506,6 @@ pe_find_data_imports (const char *symhead, static void generate_reloc (bfd *abfd, struct bfd_link_info *info) { - /* For .reloc stuff. */ reloc_data_type *reloc_data; int total_relocs = 0; @@ -1517,6 +1516,8 @@ generate_reloc (bfd *abfd, struct bfd_link_info *info) bfd *b; struct bfd_section *s; + if (reloc_s == NULL) + return; total_relocs = 0; for (b = info->input_bfds; b; b = b->link.next) for (s = b->sections; s; s = s->next) @@ -1548,9 +1549,11 @@ generate_reloc (bfd *abfd, struct bfd_link_info *info) if (s->output_section->vma == 0) { /* Huh? Shouldn't happen, but punt if it does. */ +#if 0 /* This happens when linking with --just-symbols=<file>, so do not generate an error. */ einfo (_("%P: zero vma section reloc detected: `%s' #%d f=%d\n"), s->output_section->name, s->output_section->index, s->output_section->flags); +#endif continue; } @@ -3631,7 +3634,8 @@ pe_exe_fill_sections (bfd *abfd, struct bfd_link_info *info) /* Do the assignments again. */ lang_do_assignments (lang_final_phase_enum); } - reloc_s->contents = reloc_d; + if (reloc_s) + reloc_s->contents = reloc_d; } bfd_boolean diff --git a/ld/testsuite/ld-pe/pe.exp b/ld/testsuite/ld-pe/pe.exp index 7bc933f..17dafbb 100644 --- a/ld/testsuite/ld-pe/pe.exp +++ b/ld/testsuite/ld-pe/pe.exp @@ -33,7 +33,7 @@ if {[istarget i*86-*-cygwin*] if {[istarget x86_64-*-mingw*] } { set pe_tests { - {".secrel32" "" "" "" {secrel1.s secrel2.s} + {".secrel32" "--disable-reloc-section" "" "" {secrel1.s secrel2.s} {{objdump -s secrel_64.d}} "secrel.x"} {"Empty export table" "" "" "" "exports.s" {{objdump -p exports64.d}} "exports.dll"} @@ -42,7 +42,7 @@ if {[istarget i*86-*-cygwin*] } } elseif {[istarget i*86-*-cygwin*] } { set pe_tests { - {".secrel32" "--disable-auto-import" "" "" {secrel1.s secrel2.s} + {".secrel32" "--disable-auto-import --disable-reloc-section" "" "" {secrel1.s secrel2.s} {{objdump -s secrel.d}} "secrel.x"} {"Empty export table" "" "" "" "exports.s" {{objdump -p exports.d}} "exports.dll"} @@ -51,7 +51,7 @@ if {[istarget i*86-*-cygwin*] } } else { set pe_tests { - {".secrel32" "" "" "" {secrel1.s secrel2.s} + {".secrel32" "--disable-reloc-section" "" "" {secrel1.s secrel2.s} {{objdump -s secrel.d}} "secrel.x"} {"Empty export table" "" "" "" "exports.s" {{objdump -p exports.d}} "exports.dll"} diff --git a/ld/testsuite/ld-scripts/provide-8.d b/ld/testsuite/ld-scripts/provide-8.d index 16510be..1dd5553 100644 --- a/ld/testsuite/ld-scripts/provide-8.d +++ b/ld/testsuite/ld-scripts/provide-8.d @@ -1,7 +1,7 @@ #source: provide-5.s #ld: -T provide-8.t #nm: -B -#xfail: mmix-*-* sh-*-pe spu-*-* +#xfail: mmix-*-* *-*-pe spu-*-* *-*-mingw* *-*-cygwin #... 0+4000 D __FOO |