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37 hourslibsframe: testsuite: fix PR libsframe/33140Indu Bhagat1-3/+12
Commit 0d4d5a2633f missed some necessary adjustments to the testcase after rebase. SFrame FDE function start address data is now an offset in PCREL encoding; reflect with a new flag SFRAME_F_FDE_START_ADDR_PCREL in the header. Adjust the newly added testcase. PR libsframe/33140 SFrame test failures on x86-64 libsframe/testsuite/ * libsframe.find/plt-findfre-2.c: Adjust for the new FDE func start addr encoding.
46 hourss390: Store SFrame CFA offset adjustedJens Remus1-4/+4
In SFrame V2 the size of the offsets following an SFrame FRE can be either signed 8-bit, 16-bit, or 32-bit integer, with the largest offset determining their size: 1. CFA offset from CFA base register 2. RA (stack save slot) offset from CFA, usually -48 on s390x if saved 3. FP (stack save slot) offset from CFA, usually -72 on s390x if saved The FP and RA offsets from CFA, when FP/RA saved on the stack, usually have fixed values that fit into signed 8-bit SFrame offsets. Likewise the DWARF register numbers on s390x of general registers (GR; 0-15) and floating-point registers (FPR; 16-31), when FP/RA saved in registers. With that the CFA offset from CFA base register has the greatest impact on the signed SFrame offset size. The s390x ELF ABI [1] defines the CFA as stack pointer (SP) at call site +160. [2] Therefore the minimum CFA offset from CFA base register on s390x is 160. This does not fit into a signed 8-bit integer and therefore effectively prevents any use of signed 8-bit SFrame offsets on s390x. For s390x store the CFA offset from CFA base register adjusted by -160 to enable the use of signed 8-bit SFrame offsets. [1]: s390x ELF ABI, https://github.com/IBM/s390x-abi/releases [2]: s390x ELF ABI, commit 4e38ad9c8a88 ("Document the CFA"), https://github.com/IBM/s390x-abi/commit/4e38ad9c8a88 include/ * sframe.h (SFRAME_S390X_CFA_OFFSET_ADJUSTMENT): Define s390x-specific CFA offset adjustment. (SFRAME_V2_S390X_CFA_OFFSET_ENCODE, SFRAME_V2_S390X_CFA_OFFSET_DECODE): New s390x-specific macros. Use SFRAME_S390X_CFA_OFFSET_ADJUSTMENT to en-/decode CFA offset. bfd/ * elf64-s390.c (elf_s390x_sframe_plt_fre): Use SFRAME_V2_S390X_CFA_OFFSET_ENCODE on CFA offset to store it adjusted and switch to 8-bit offsets. gas/ * gen-sframe.c (sframe_fre_set_cfa_offset): For s390x use SFRAME_V2_S390X_CFA_OFFSET_ENCODE on CFA offset to store it adjusted. (sframe_fre_get_cfa_offset): New helper. For s390x use SFRAME_V2_S390X_CFA_OFFSET_DECODE on CFA offset to undo its adjustment. (sframe_xlate_do_def_cfa_register): Use new helper sframe_fre_get_cfa_offset. libsframe/ * sframe.c (sframe_fre_get_cfa_offset): For s390x use SFRAME_V2_S390X_CFA_OFFSET_DECODE on CFA offset to undo its adjustment. * doc/sframe-spec.texi (s390x, SFRAME_S390X_CFA_OFFSET_ADJUSTMENT, SFRAME_V2_S390X_CFA_OFFSET_ENCODE, SFRAME_V2_S390X_CFA_OFFSET_DECODE): Document s390x-specific adjustment of CFA offset. libsframe/testsuite/ * libsframe.find/plt-findfre-2.c (add_plt0_fde, add_pltn_fde): Use SFRAME_V2_S390X_CFA_OFFSET_ENCODE to enable use of 1-byte SFrame offsets. Suggested-by: Indu Bhagat <indu.bhagat@oracle.com> Signed-off-by: Jens Remus <jremus@linux.ibm.com>
46 hourslibsframe: Add test for PLT0 and PLTN with only one FRE eachJens Remus3-0/+202
On s390x the PLT0 and PLTN entries are described with one SFrame FRE each. Add a test case for this particularity. libsframe/testsuite/ * libsframe.find/find.exp (plt-findfre-2): Add new test. * libsframe.find/plt-findfre-2.c: New test for PLT0 and PLTN with only one FRE each. * libsframe.find/local.mk (plt-findfre-2): Add new test. libsframe/ * Makefile.in: Regenerate.
6 daysbfd: gas: ld: libsframe: adopt new encoding for FDE func start addr fieldIndu Bhagat5-12/+34
This patch convenes a set of changes in bfd, gas, ld, libsframe towards moving to the new encoding for the 'sfde_func_start_address' field in SFrame FDE. First, gas must now mark all SFrame sections with the new flag SFRAME_F_FDE_FUNC_START_PCREL. gas was already emitting the field in the said encoding. * gas/gen-sframe.c (output_sframe_internal): Emit the flag SFRAME_F_FDE_FUNC_START_PCREL. Similarly for ld, adopt the new semantics of sfde_func_start_address consistently. This means: - When merging SFrame sections, check that all input SFrame sections have the SFRAME_F_FDE_FUNC_START_PCREL flag set. If the check fails, ld errors out. - When merging SFrame sections, keep even the in-memory contents of the FDE function start address (buffer passed to libsframe sframe_encoder_write () for writing out) encoded in the new semantics. While it is, in theory, possible that instead of doing this change here, we adjust the value of sfde_func_start_address at the final write (sframe_encoder_write) time. But latter is not favorable for maintenanance and may be generally confusing for developers. - When creating SFrame for PLT entries, emit flag SFRAME_F_FDE_FUNC_START_PCREL. include/ * sframe-api.h (SFRAME_F_LD_MUSTHAVE_FLAGS): New definition. bfd/ * elf-sframe.c (_bfd_elf_merge_section_sframe): Check for flag combinatation SFRAME_F_LD_MUSTHAVE_FLAGS set for all input and output SFrame sections. If not, error out. Also, adopt the new semantics of function start address encoding. * bfd/elfxx-x86.c (_bfd_x86_elf_create_sframe_plt): Emit flag SFRAME_F_FDE_FUNC_START_PCREL. Next, for dumping SFrame sections, now that we are emitting the same encoding in GAS, non-relocatable and relocatable SFrame links, it is the time to set relocate to TRUE in debug_displays[]. binutils/ * dwarf.c (struct dwarf_section_display): Allow sframe sections to now be relocated. gas/testsuite/ * gas/cfi-sframe/cfi-sframe-aarch64-pac-ab-key-1.d: Update the test. Relocatable SFrame sections now display non-zero value (appropriate function start address). Now, as the SFrame sections on-disk and in-memory use the new semantics of sfde_func_start_address encoding (i.e., function start address is the offset from the sfde_func_start_address field to the start PC), the calculation to make it human readable (i.e., relatable to the addresses in .text sections) needs adjustment. libsframe/ * sframe-dump.c (dump_sframe_func_with_fres): Adjust the function start address for dumping. Now that both the emission of the new encoding, and the relocation of sections before dumping them is in place, it is time to adjust the testcases. gas/testsuite/ * gas/cfi-sframe/cfi-sframe-aarch64-1.d: Update expected output to include SFRAME_F_FDE_FUNC_START_PCREL instead of NONE. * gas/cfi-sframe/cfi-sframe-aarch64-2.d: Likewise. * gas/cfi-sframe/cfi-sframe-aarch64-3.d: Likewise. * gas/cfi-sframe/cfi-sframe-aarch64-4.d: Likewise. * gas/cfi-sframe/cfi-sframe-common-1.d: Likewise. * gas/cfi-sframe/cfi-sframe-common-10.d: Likewise. * gas/cfi-sframe/cfi-sframe-common-11.d: Likewise. * gas/cfi-sframe/cfi-sframe-common-2.d: Likewise. * gas/cfi-sframe/cfi-sframe-common-3.d: Likewise. * gas/cfi-sframe/cfi-sframe-common-4.d: Likewise. * gas/cfi-sframe/cfi-sframe-common-5.d: Likewise. * gas/cfi-sframe/cfi-sframe-common-6.d: Likewise. * gas/cfi-sframe/cfi-sframe-common-7.d: Likewise. * gas/cfi-sframe/cfi-sframe-common-8.d: Likewise. * gas/cfi-sframe/cfi-sframe-common-9.d: Likewise. * gas/cfi-sframe/cfi-sframe-x86_64-1.d: Likewise. * gas/cfi-sframe/cfi-sframe-x86_64-2.d: Likewise. * gas/cfi-sframe/cfi-sframe-x86_64-empty-1.d: Likewise. * gas/cfi-sframe/cfi-sframe-x86_64-empty-2.d: Likewise. * gas/cfi-sframe/cfi-sframe-x86_64-empty-3.d: Likewise. * gas/cfi-sframe/cfi-sframe-x86_64-empty-4.d: Likewise. * gas/cfi-sframe/common-empty-1.d: Likewise. * gas/cfi-sframe/common-empty-2.d: Likewise. * gas/cfi-sframe/common-empty-3.d: Likewise. * gas/scfi/x86_64/scfi-cfi-sections-1.d: Likewise. * gas/scfi/x86_64/scfi-dyn-stack-1.d: Likewise. ld/testsuite/ * ld-aarch64/sframe-simple-1.d: Update expected output to include SFRAME_F_FDE_FUNC_START_PCREL. * ld-x86-64/sframe-ibt-plt-1.d: Likewise. * ld-x86-64/sframe-plt-1.d: Likewise. * ld-x86-64/sframe-pltgot-1.d: Likewise. * ld-x86-64/sframe-pltgot-2.d: Likewise. * ld-x86-64/sframe-simple-1.d: Likewise. Naturally, the change of semantics for 'SFrame FDE function start address' has consequences on the implementation in libsframe. As per the new semantics: - Function start address in the SFrame FDE (sfde_func_start_address) is an offset from the FDE function start address field to the start PC of the associated function. Note that, the libsframe library brings the SFrame section contents into its own memory to create a sframe_decoder_ctx object via sframe_decode (). Many internal and user-interfacing APIs then may use sframe_decoder_ctx object to interact and fulfill the work. In context of changing semantics for sfde_func_start_address, following relevant examples may help understand the impact: - sframe_find_fre () finds a the SFrame stack trace data (SFrame FRE) given a lookup offset (offset of lookup_pc from the start of SFrame section). Now that the sfde_func_start_address includes the distance from the sfde_func_start_address field to the start of SFrame section itself, the comparison checks of sfde_func_start_address with the incoming lookup offset need adjustment. - Some internal functions (sframe_get_funcdesc_with_addr_internal () finds SFrame FDE by using binary seach comparing sfde_func_start_address fields, etc.) need adjustments. - sframe_encoder_write () sorts the SFrame FDEs before writing out the SFrame data. Sorting of SFrame FDE via the internal function sframe_sort_funcdesc() needs adjustments: the new encoding of sfde_func_start_address means the distances are not from the same anchor, so cannot be sorted directly. This patch takes the approach of adding a new internal function: - sframe_decoder_get_secrel_func_start_addr (): This function returns the offset of the start PC of the function from the start of SFrame section, i.e., it gives a section-relative offset. As the sframe_decoder_get_secrel_func_start_addr () API needs the value of the function index in the FDE list, another internal API needs sframe_fre_check_range_p () adjustments too. Sorting the FDEs (via sframe_sort_funcdesc ()) is done by first bringing all offsets in sfde_func_start_address relative to start of SFrame section, followed by sorting, and then readjusting the offsets accroding to the new position in the FDE list. libsframe/ * sframe.c (sframe_decoder_get_secrel_func_start_addr): New static function. (sframe_fre_check_range_p): Adjust the interface a bit. (sframe_get_funcdesc_with_addr_internal): Use sframe_decoder_get_secrel_func_start_addr () when comparing sfde_func_start_address with user input offset. (sframe_find_fre): Adopt the new semantics. (sframe_sort_funcdesc): Likewise. For the libsframe testsuite, use the new encoding for FDE func start addr: distance between the FDE sfde_func_start_address field and the start PC of the function itself. Use SFRAME_F_FDE_FUNC_START_PCREL flag, though the sframe_encode () interface in libsframe applies no sanity checks for the encoding itself. libsframe/testsuite/ * libsframe.find/findfre-1.c: Adjust to use the new SFRAME_F_FDE_FUNC_START_PCREL specific encoding. * libsframe.find/findfunc-1.c: Likewise. * libsframe.find/plt-findfre-1.c: Likewise. * libsframe/testsuite/libsframe.decode/DATA2: Update data file due to usage of new SFRAME_F_FDE_FUNC_START_PCREL flag. * libsframe/testsuite/libsframe.encode/encode-1.c: Use flag SFRAME_F_FDE_FUNC_START_PCREL.
2025-05-26libsframe: correct binary search for SFrame FDEJens Remus1-0/+4
sframe_get_funcdesc_with_addr_internal erroneously returns the last FDE, if its function start address is lower than the searched for address. Simplify the binary search for a SFrame FDE for a given address. Only return an FDE, if the searched for address is within the bounds of the FDE function start address and function size. libsframe/ * sframe.c (sframe_get_funcdesc_with_addr_internal): Correct binary search for SFrame FDE. libsframe/testsuite/ * libsframe.find/plt-findfre-1.c: Add test for out of range PLT6. Signed-off-by: Jens Remus <jremus@linux.ibm.com>
2025-05-26libsframe: testsuite: improve findfunc-1 testcaseIndu Bhagat1-46/+95
The testcase had usages of some magic numbers, making it difficult to keep up when format changes come along. libsframe/testsuite/ * libsframe.find/findfunc-1.c: Restructure a bit. Run test for two ways of placement of .sframe and .text.
2025-05-26libsframe: testsuite: improve findfre-1 testcaseIndu Bhagat1-36/+75
The testcase had usages of some magic numbers, making it difficult to keep up when format changes come along. libsframe/testsuite/ * libsframe.find/findfre-1.c: Restructure a bit. Run test for two ways of placement of .sframe and .text.
2025-05-26libsframe: fix issue finding FRE in PCMASK type SFrame FDEsIndu Bhagat1-29/+50
SFrame FDEs of type SFRAME_FDE_TYPE_PCMASK are used for repetitive code patterns, e.g., pltN entries. For SFrame FDEs of type SFRAME_FDE_TYPE_PCMASK, sframe_fre_check_range_p erroneously tested the given PC instead of the masked PC offset from function start address. Therefore it only worked correctly by chance, e.g., if the function start address was aligned on the repetition block size. For regular SFrame FDEs the PC offset from function start address must be within a SFrame FRE's start IP offset and end IP offset. For SFrame FDEs of type SFRAME_FDE_TYPE_PCMASK, the masked PC offset must be within that range. SFrame FRE start/end IP offsets are relative to the SFrame FDE function start address. For regular SFrame FDEs, the PC offset from function start address must be within a SFrame FRE's start IP offset and end IP offset. For SFRAME_FDE_TYPE_PCMASK type FDEs, the masked PC offset must be within that range. Exercise the testcase for a variety of placements; without the fix some of these tests will fail. Also, make the testcase itself easier to follow by adding appropriate vars where applicable. libsframe/ * sframe.c (sframe_fre_check_range_p): Fix logic for SFRAME_FDE_TYPE_PCMASK type FDE. libsframe/testsuite/ * libsframe.find/plt-findfre-1.c: Adjust the test for a variety of placements of .sframe and .plt. Co-Authored-by: Jens Remus <jremus@linux.ibm.com>
2025-01-01Update year range in copyright notice of binutils filesAlan Modra11-11/+11
2024-01-04Update year range in copyright notice of binutils filesAlan Modra11-11/+11
Adds two new external authors to etc/update-copyright.py to cover bfd/ax_tls.m4, and adds gprofng to dirs handled automatically, then updates copyright messages as follows: 1) Update cgen/utils.scm emitted copyrights. 2) Run "etc/update-copyright.py --this-year" with an extra external author I haven't committed, 'Kalray SA.', to cover gas testsuite files (which should have their copyright message removed). 3) Build with --enable-maintainer-mode --enable-cgen-maint=yes. 4) Check out */po/*.pot which we don't update frequently.
2023-06-29sframe: bfd: gas: ld: format bump to SFrame version 2Indu Bhagat4-1/+1
SFrame version 2 encodes the size of repetitive insn block explicitly in the format. Add information in the SFrame FDE to convey the size of the block of repeating instructions. This information is used only for SFrame FDEs of type SFRAME_FDE_TYPE_PCMASK. Introduce two extra bytes for padding: this ensures that the memory accesses to the members of the SFrame Frame Descriptor Entry (FDE) are naturally aligned. gas generates SFrame section with version SFRAME_VERSION_2 by default. libsframe provides two new APIs to: - get an SFrame FDE data from the decoder context, and - add an SFrame FDE to the encoder context. The additional argument (for rep_block_size) is useful for SFrame FDEs where FDE type is SFRAME_FDE_TYPE_PCMASK. The linker will generate the output SFrame sections in the SFRAME_VERSION_2 format. If the input sections offered to the linker are not all in the SFRAME_VERSION_2 format, the linker issues an error to the user. objdump/readelf will show the following message to the user if .sframe section in SFRAME_VERSION_1 format is seen: "No further information can be displayed. SFrame version not supported." In other words, like the rest of the binutils, only the current SFrame format version, i.e., SFRAME_VERSION_2 is supported by the textual dump facilities. bfd/ * elf-sframe.c (_bfd_elf_merge_section_sframe): Generate an output SFrame section with version SFRAME_VERSION_2. Also, error out if the SFrame sections do not all have SFRAME_VERSION_2. * elfxx-x86.c (_bfd_x86_elf_create_sframe_plt): Generate SFrame section for plt entries with version SFRAME_VERSION_2. gas/ * gen-sframe.c (sframe_set_version): Update to SFRAME_VERSION_2. (output_sframe): Likewise. gas/testsuite/ * gas/cfi-sframe/cfi-sframe-aarch64-1.d: Use SFRAME_VERSION_2. * gas/cfi-sframe/cfi-sframe-aarch64-2.d: Likewise. * gas/cfi-sframe/cfi-sframe-aarch64-pac-ab-key-1.d: Likewise. * gas/cfi-sframe/cfi-sframe-common-1.d: Likewise. * gas/cfi-sframe/cfi-sframe-common-2.d: Likewise. * gas/cfi-sframe/cfi-sframe-common-3.d: Likewise. * gas/cfi-sframe/cfi-sframe-common-4.d: Likewise. * gas/cfi-sframe/cfi-sframe-common-5.d: Likewise. * gas/cfi-sframe/cfi-sframe-common-6.d: Likewise. * gas/cfi-sframe/cfi-sframe-common-7.d: Likewise. * gas/cfi-sframe/cfi-sframe-common-8.d: Likewise. * gas/cfi-sframe/cfi-sframe-x86_64-1.d: Likewise. * gas/cfi-sframe/common-empty-1.d: Likewise. * gas/cfi-sframe/common-empty-2.d: Likewise. * gas/cfi-sframe/common-empty-3.d: Likewise. ld/testsuite/ * ld-aarch64/sframe-simple-1.d: Adjust for SFRAME_VERSION_2. * ld-x86-64/sframe-plt-1.d: Likewise. * ld-x86-64/sframe-simple-1.d: Likewise. libsframe/ * libsframe.ver: Add the new APIs. * sframe.c (sframe_decoder_get_funcdesc_v2): New definition. (sframe_encoder_add_funcdesc_v2): Likewise. (sframe_header_sanity_check_p): Include SFRAME_VERSION_2. (sframe_fre_check_range_p): Get rep_block_size info from SFrame FDE. * sframe-dump.c (dump_sframe_header): Add support for SFRAME_VERSION_2. (dump_sframe): Inform user if SFrame section in SFRAME_VERSION_1 format is seen. libsframe/testsuite/ * libsframe.decode/DATA-BE: Regenerated data file. * libsframe.decode/DATA1: Likewise. * libsframe.decode/DATA2: Likewise. * libsframe.find/plt-findfre-1.c: Use new API in the testcase. include/ * sframe.h: Add member to encode size of the code block of repeating instructions. Add 2 bytes of padding. * sframe-api.h (sframe_decoder_get_funcdesc_v2): New declaration. (sframe_encoder_add_funcdesc_v2): Likewise.
2023-06-09libsframe: testsuite: add sframe_find_fre tests for pltN entriesIndu Bhagat3-1/+137
Add a new test plt-findfre-1 to ensure lookup of SFrame stack trace information for pltN entries is correct. In this test, a dummy SFrame FDE of type SFRAME_FDE_TYPE_PCMASK is created. The size of the 'function code block' covered by the SFrame FDE is equivalent to 5 pltN entries of 16 bytes each. The test first looks up SFrame FREs for some addresses in the first pltN entry, followed by lookups for some addresses in the fourth pltN entry. libsframe/ * Makefile.in: Regenerated. * testsuite/libsframe.find/find.exp: Add new test. * testsuite/libsframe.find/local.mk: Likewise. * testsuite/libsframe.find/plt-findfre-1.c: New test.
2023-05-17libsframe: testsuite: add tests for sframe_get_funcdesc_with_addr APIIndu Bhagat3-1/+214
sframe_get_funcdesc_with_addr API is currently used internally by the sframe_find_fre (). In this test, we create three dummy SFrame FDEs with 4 FREs each. Then, we use few negative tests to lookup FREs with PCs not in the range of PCs covered by the FDEs, ensuring graceful return from sframe_get_funcdesc_with_addr in all cases. Some positive tests are also added that exercise further scenarios as well. libsframe/ * Makefile.in: Regenerated. * testsuite/libsframe.find/find.exp: Include new test. * testsuite/libsframe.find/findfunc-1.c: New Test. * testsuite/libsframe.find/local.mk: Include new test.
2023-05-17libsframe: testsuite: add new tests for sframe_find_fre APIIndu Bhagat4-1/+196
libsframe provides an API to find the FRE associated with a given PC in the program. This patch adds a direct test of this API. In this test, we create two dummy SFrame FDEs with 4 FREs each. Then we test that sframe_find_fre () works for the first, second, third and the last FRE from one of the FDEs. Such a test ensures better regression testing for the sframe_find_fre () function which is going to be the bread and butter of an SFrame based stack tracer. libsframe/ * Makefile.in: Regenerated. * testsuite/libsframe.find/find.exp: New test. * testsuite/libsframe.find/findfre-1.c: New test. * testsuite/libsframe.find/local.mk: Build new test. * testsuite/local.mk: Include libsframe.find.
2023-01-01Update year range in copyright notice of binutils filesAlan Modra7-7/+7
The newer update-copyright.py fixes file encoding too, removing cr/lf on binutils/bfdtest2.c and ld/testsuite/ld-cygwin/exe-export.exp, and embedded cr in binutils/testsuite/binutils-all/ar.exp string match.
2022-12-23libsframe: testsuite: fix memory leaks in testcasesIndu Bhagat3-0/+9
ChangeLog: * libsframe/testsuite/libsframe.decode/be-flipping.c: Free SFrame buffer. * libsframe/testsuite/libsframe.decode/frecnt-1.c: Likewise. * libsframe/testsuite/libsframe.decode/frecnt-2.c: Likewise.
2022-12-15libsframe asan: avoid generating misaligned loadsIndu Bhagat1-8/+8
There are two places where unaligned loads were seen on aarch64: - #1. access to the SFrame FRE stack offsets in the in-memory representation/abstraction provided by libsframe. - #2. access to the SFrame FRE start address in the on-disk representation of the frame row entry. For #1, we can fix this by reordering the struct members of sframe_frame_row_entry in libsframe/sframe-api.h. For #2, we need to default to using memcpy instead, and copy out the bytes to a location for output. SFrame format is an unaligned on-disk format. As such, there are other blobs of memory in the on-disk SFrame FRE that are on not on their natural boundaries. But that does not pose further problems yet, because the users are provided access to the on-disk SFrame FRE data via libsframe's sframe_frame_row_entry, the latter has its' struct members aligned on their respective natural boundaries (and initialized using memcpy). PR 29856 libsframe asan: load misaligned at sframe.c:516 ChangeLog: PR libsframe/29856 * bfd/elf64-x86-64.c: Adjust as the struct members have been reordered. * libsframe/sframe.c (sframe_decode_fre_start_address): Use memcpy to perform 16-bit/32-bit reads. * libsframe/testsuite/libsframe.encode/encode-1.c: Adjust as the struct members have been reordered. include/ChangeLog: PR libsframe/29856 * sframe-api.h: Reorder fre_offsets for natural alignment.
2022-12-09libsframe: rename API sframe_fde_func_info to sframe_fde_create_func_infoIndu Bhagat1-4/+4
The new name better reflects the purpose of the function. ChangeLog: * bfd/elfxx-x86.c (_bfd_x86_elf_create_sframe_plt): Use new name. * libsframe/sframe.c (sframe_fde_create_func_info): Rename sframe_fde_func_info to this. * libsframe/testsuite/libsframe.encode/encode-1.c: Use new name. include/ChangeLog: * sframe-api.h (sframe_fde_create_func_info): Rename sframe_fde_func_info to this.
2022-11-15libsframe: add the SFrame libraryWeimin Pan13-0/+683
libsframe is a library that allows you to: - decode a .sframe section - probe and inspect a .sframe section - encode (and eventually write) a .sframe section. This library is currently being used by the linker, readelf, objdump. This library will also be used by the SFrame unwinder which is still to be upstream'd. The file include/sframe-api.h defines the user-facing APIs for decoding, encoding and probing .sframe sections. A set of error codes together with their error message strings are also defined. Endian flipping is performed automatically at read and write time, if cross-endianness is detected. ChangeLog: * Makefile.def: Add libsframe as new module with its dependencies. * Makefile.in: Regenerated. * binutils/Makefile.am: Add libsframe. * binutils/Makefile.in: Regenerated. * configure: Regenerated * configure.ac: Add libsframe to host_libs. * libsframe/Makefile.am: New file. * libsframe/Makefile.in: New file. * libsframe/aclocal.m4: New file. * libsframe/config.h.in: New file. * libsframe/configure: New file. * libsframe/configure.ac: New file. * libsframe/sframe-error.c: New file. * libsframe/sframe-impl.h: New file. * libsframe/sframe.c: New file. include/ChangeLog: * sframe-api.h: New file. testsuite/ChangeLog: * libsframe/testsuite/Makefile.am: New file. * libsframe/testsuite/Makefile.in: Regenerated. * libsframe/testsuite/libsframe.decode/Makefile.am: New file. * libsframe/testsuite/libsframe.decode/Makefile.in: Regenerated. * libsframe/testsuite/libsframe.decode/decode.exp: New file. * libsframe/testsuite/libsframe.encode/Makefile.am: Likewise. * libsframe/testsuite/libsframe.encode/Makefile.in: Regenerated. * libsframe/testsuite/libsframe.encode/encode.exp: New file. * libsframe/testsuite/libsframe.encode/encode-1.c: Likewise. * libsframe/testsuite/libsframe.decode/be-flipping.c: Likewise. * libsframe/testsuite/libsframe.decode/frecnt-1.c: Likewise. * libsframe/testsuite/libsframe.decode/frecnt-2.c: Likewise. * libsframe/testsuite/libsframe.decode/DATA-BE: New file. * libsframe/testsuite/libsframe.decode/DATA1: Likewise. * libsframe/testsuite/libsframe.decode/DATA2: Likewise.
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