diff options
| -rw-r--r-- | dev-util/debugedit/debugedit-5.0-r3.ebuild | 48 | ||||
| -rw-r--r-- | dev-util/debugedit/files/debugedit-5.0-dw-form-strx-support.patch | 390 |
2 files changed, 438 insertions, 0 deletions
diff --git a/dev-util/debugedit/debugedit-5.0-r3.ebuild b/dev-util/debugedit/debugedit-5.0-r3.ebuild new file mode 100644 index 000000000000..465054197278 --- /dev/null +++ b/dev-util/debugedit/debugedit-5.0-r3.ebuild @@ -0,0 +1,48 @@ +# Copyright 1999-2024 Gentoo Authors +# Distributed under the terms of the GNU General Public License v2 + +EAPI=7 + +inherit autotools verify-sig + +DESCRIPTION="Create debuginfo and source file distributions" +HOMEPAGE="https://sourceware.org/debugedit/" +SRC_URI=" + https://sourceware.org/ftp/debugedit/${PV}/${P}.tar.xz + verify-sig? ( https://sourceware.org/ftp/debugedit/${PV}/${P}.tar.xz.sig ) +" + +LICENSE="GPL-2+ LGPL-2+" +SLOT="0" +KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~x86-linux" + +RDEPEND=" + >=dev-libs/elfutils-0.176-r1 +" +DEPEND="${RDEPEND}" +BDEPEND=" + sys-apps/help2man + virtual/pkgconfig + verify-sig? ( + sec-keys/openpgp-keys-debugedit + ) +" + +VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/debugedit.gpg + +PATCHES=( + "${FILESDIR}"/${P}-readelf.patch + "${FILESDIR}"/${P}-zero-dir-entry.patch + "${FILESDIR}"/${P}-hppa.patch + "${FILESDIR}"/${P}-musl-error.h-fix.patch + + # Upstreamed, remove next release + "${FILESDIR}"/${P}-musl-1.2.4.patch + # From upstream, remove next release + "${FILESDIR}"/${P}-dw-form-strx-support.patch +) + +src_prepare() { + default + eautoreconf +} diff --git a/dev-util/debugedit/files/debugedit-5.0-dw-form-strx-support.patch b/dev-util/debugedit/files/debugedit-5.0-dw-form-strx-support.patch new file mode 100644 index 000000000000..3edc77e8e5ab --- /dev/null +++ b/dev-util/debugedit/files/debugedit-5.0-dw-form-strx-support.patch @@ -0,0 +1,390 @@ +Fixes "Unknown DWARF DW_FORM_0x25" for clang DWARF5 output +Bug: https://bugs.gentoo.org/911306 +Upstream bug: https://sourceware.org/PR28728 +Source: https://src.fedoraproject.org/rpms/debugedit/blob/rawhide/f/0001-debugedit-Add-support-for-.debug_str_offsets-DW_FORM.patch +--- a/tools/debugedit.c ++++ b/tools/debugedit.c +@@ -1,4 +1,5 @@ + /* Copyright (C) 2001-2003, 2005, 2007, 2009-2011, 2016, 2017 Red Hat, Inc. ++ Copyright (C) 2022, 2023 Mark J. Wielaard <mark@klomp.org> + Written by Alexander Larsson <alexl@redhat.com>, 2002 + Based on code by Jakub Jelinek <jakub@redhat.com>, 2001. + String/Line table rewriting by Mark Wielaard <mjw@redhat.com>, 2017. +@@ -264,6 +264,7 @@ typedef struct + }) + + static uint16_t (*do_read_16) (unsigned char *ptr); ++static uint32_t (*do_read_24) (unsigned char *ptr); + static uint32_t (*do_read_32) (unsigned char *ptr); + static void (*do_write_16) (unsigned char *ptr, uint16_t val); + static void (*do_write_32) (unsigned char *ptr, uint32_t val); +@@ -271,6 +272,9 @@ static void (*do_write_32) (unsigned char *ptr, uint32_t val); + static int ptr_size; + static int cu_version; + ++/* The offset into the .debug_str_offsets section for the current CU. */ ++static uint32_t str_offsets_base; ++ + static inline uint16_t + buf_read_ule16 (unsigned char *data) + { +@@ -283,6 +287,18 @@ buf_read_ube16 (unsigned char *data) + return data[1] | (data[0] << 8); + } + ++static inline uint32_t ++buf_read_ule24 (unsigned char *data) ++{ ++ return data[0] | (data[1] << 8) | (data[2] << 16); ++} ++ ++static inline uint32_t ++buf_read_ube24 (unsigned char *data) ++{ ++ return data[2] | (data[1] << 8) | (data[0] << 16); ++} ++ + static inline uint32_t + buf_read_ule32 (unsigned char *data) + { +@@ -544,10 +560,12 @@ setup_relbuf (DSO *dso, debug_section *sec, int *reltype) + /* Relocations against section symbols are uninteresting in REL. */ + if (dso->shdr[i].sh_type == SHT_REL && sym.st_value == 0) + continue; +- /* Only consider relocations against .debug_str, .debug_line, +- .debug_line_str, and .debug_abbrev. */ ++ /* Only consider relocations against .debug_str, ++ .debug_str_offsets, .debug_line, .debug_line_str, and ++ .debug_abbrev. */ + if (sym.st_shndx == 0 || + (sym.st_shndx != debug_sections[DEBUG_STR].sec ++ && sym.st_shndx != debug_sections[DEBUG_STR_OFFSETS].sec + && sym.st_shndx != debug_sections[DEBUG_LINE].sec + && sym.st_shndx != debug_sections[DEBUG_LINE_STR].sec + && sym.st_shndx != debug_sections[DEBUG_ABBREV].sec)) +@@ -684,6 +702,59 @@ update_rela_data (DSO *dso, struct debug_section *sec) + free (sec->relbuf); + } + ++static inline uint32_t ++do_read_uleb128 (unsigned char *ptr) ++{ ++ unsigned char *uleb_ptr = ptr; ++ return read_uleb128 (uleb_ptr); ++} ++ ++static inline uint32_t ++do_read_str_form_relocated (DSO *dso, uint32_t form, unsigned char *ptr) ++{ ++ uint32_t idx; ++ switch (form) ++ { ++ case DW_FORM_strp: ++ case DW_FORM_line_strp: ++ return do_read_32_relocated (ptr); ++ ++ case DW_FORM_strx1: ++ idx = *ptr; ++ break; ++ case DW_FORM_strx2: ++ idx = do_read_16 (ptr); ++ break; ++ case DW_FORM_strx3: ++ idx = do_read_24 (ptr); ++ break; ++ case DW_FORM_strx4: ++ idx = do_read_32 (ptr); ++ break; ++ case DW_FORM_strx: ++ idx = do_read_uleb128 (ptr); ++ break; ++ default: ++ error (1, 0, "Unhandled string form DW_FORM_0x%x", form); ++ return -1; ++ } ++ ++ unsigned char *str_off_ptr = debug_sections[DEBUG_STR_OFFSETS].data; ++ str_off_ptr += str_offsets_base; ++ str_off_ptr += idx * 4; ++ ++ /* Switch rel reading... */ ++ REL *old_relptr = relptr; ++ REL *old_relend = relend; ++ setup_relbuf(dso, &debug_sections[DEBUG_STR_OFFSETS], &reltype); ++ ++ uint32_t str_off = do_read_32_relocated (str_off_ptr); ++ ++ relptr = old_relptr; ++ relend = old_relend; ++ return str_off; ++} ++ + struct abbrev_attr + { + unsigned int attr; +@@ -789,7 +860,12 @@ no_memory: + || form == DW_FORM_addrx1 + || form == DW_FORM_addrx2 + || form == DW_FORM_addrx3 +- || form == DW_FORM_addrx4))) ++ || form == DW_FORM_addrx4 ++ || form == DW_FORM_strx ++ || form == DW_FORM_strx1 ++ || form == DW_FORM_strx2 ++ || form == DW_FORM_strx3 ++ || form == DW_FORM_strx4))) + { + error (0, 0, "%s: Unknown DWARF DW_FORM_0x%x", dso->filename, + form); +@@ -1520,9 +1596,10 @@ edit_dwarf2_line (DSO *dso) + } + } + +-/* Record or adjust (according to phase) DW_FORM_strp or DW_FORM_line_strp. */ ++/* Record or adjust (according to phase) DW_FORM_strp or DW_FORM_line_strp. ++ Also handles DW_FORM_strx, but just for recording the (indexed) string. */ + static void +-edit_strp (DSO *dso, bool line_strp, unsigned char *ptr, int phase, ++edit_strp (DSO *dso, uint32_t form, unsigned char *ptr, int phase, + bool handled_strp) + { + unsigned char *ptr_orig = ptr; +@@ -1537,16 +1614,19 @@ edit_strp (DSO *dso, bool line_strp, unsigned char *ptr, int phase, + recorded. */ + if (! handled_strp) + { +- size_t idx = do_read_32_relocated (ptr); +- record_existing_string_entry_idx (line_strp, dso, idx); ++ size_t idx = do_read_str_form_relocated (dso, form, ptr); ++ record_existing_string_entry_idx (form == DW_FORM_line_strp, ++ dso, idx); + } + } +- else if (line_strp +- ? need_line_strp_update : need_strp_update) /* && phase == 1 */ ++ else if ((form == DW_FORM_strp ++ || form == DW_FORM_line_strp) /* DW_FORM_strx stays the same. */ ++ && (form == DW_FORM_line_strp ++ ? need_line_strp_update : need_strp_update)) /* && phase == 1 */ + { + struct stridxentry *entry; + size_t idx, new_idx; +- struct strings *strings = (line_strp ++ struct strings *strings = (form == DW_FORM_line_strp + ? &dso->debug_line_str : &dso->debug_str); + idx = do_read_32_relocated (ptr); + entry = string_find_entry (strings, idx); +@@ -1926,9 +2006,10 @@ read_dwarf5_line_entries (DSO *dso, unsigned char **ptrp, + + switch (form) + { ++ /* Note we don't expect DW_FORM_strx in the line table. */ + case DW_FORM_strp: + case DW_FORM_line_strp: +- edit_strp (dso, line_strp, *ptrp, phase, handled_strp); ++ edit_strp (dso, form, *ptrp, phase, handled_strp); + break; + } + +@@ -2110,11 +2191,12 @@ find_new_list_offs (struct debug_lines *lines, size_t idx) + + /* Read DW_FORM_strp or DW_FORM_line_strp collecting compilation directory. */ + static void +-edit_attributes_str_comp_dir (bool line_strp, DSO *dso, unsigned char **ptrp, ++edit_attributes_str_comp_dir (uint32_t form, DSO *dso, unsigned char **ptrp, + int phase, char **comp_dirp, bool *handled_strpp) + { + const char *dir; +- size_t idx = do_read_32_relocated (*ptrp); ++ size_t idx = do_read_str_form_relocated (dso, form, *ptrp); ++ bool line_strp = form == DW_FORM_line_strp; + /* In phase zero we collect the comp_dir. */ + if (phase == 0) + { +@@ -2245,20 +2327,29 @@ edit_attributes (DSO *dso, unsigned char *ptr, struct abbrev_tag *t, int phase) + } + } + } +- else if (form == DW_FORM_strp) +- edit_attributes_str_comp_dir (false /* line_strp */, dso, ++ else if (form == DW_FORM_strp ++ || form == DW_FORM_line_strp ++ || form == DW_FORM_strx ++ || form == DW_FORM_strx1 ++ || form == DW_FORM_strx2 ++ || form == DW_FORM_strx3 ++ || form == DW_FORM_strx4) ++ edit_attributes_str_comp_dir (form, dso, + &ptr, phase, &comp_dir, + &handled_strp); +- else if (form == DW_FORM_line_strp) +- edit_attributes_str_comp_dir (true /* line_strp */, dso, &ptr, +- phase, &comp_dir, &handled_strp); + } + else if ((t->tag == DW_TAG_compile_unit + || t->tag == DW_TAG_partial_unit) + && ((form == DW_FORM_strp + && debug_sections[DEBUG_STR].data) + || (form == DW_FORM_line_strp +- && debug_sections[DEBUG_LINE_STR].data)) ++ && debug_sections[DEBUG_LINE_STR].data) ++ || ((form == DW_FORM_strx ++ || form == DW_FORM_strx1 ++ || form == DW_FORM_strx2 ++ || form == DW_FORM_strx3 ++ || form == DW_FORM_strx4) ++ && debug_sections[DEBUG_STR_OFFSETS].data)) + && t->attr[i].attr == DW_AT_name) + { + bool line_strp = form == DW_FORM_line_strp; +@@ -2267,7 +2358,7 @@ edit_attributes (DSO *dso, unsigned char *ptr, struct abbrev_tag *t, int phase) + unit. If starting with / it is a full path name. + Note that we don't handle DW_FORM_string in this + case. */ +- size_t idx = do_read_32_relocated (ptr); ++ size_t idx = do_read_str_form_relocated (dso, form, ptr); + + /* In phase zero we will look for a comp_dir to use. */ + if (phase == 0) +@@ -2314,10 +2405,13 @@ edit_attributes (DSO *dso, unsigned char *ptr, struct abbrev_tag *t, int phase) + switch (form) + { + case DW_FORM_strp: +- edit_strp (dso, false /* line_strp */, ptr, phase, handled_strp); +- break; + case DW_FORM_line_strp: +- edit_strp (dso, true /* line_strp */, ptr, phase, handled_strp); ++ case DW_FORM_strx: ++ case DW_FORM_strx1: ++ case DW_FORM_strx2: ++ case DW_FORM_strx3: ++ case DW_FORM_strx4: ++ edit_strp (dso, form, ptr, phase, handled_strp); + break; + } + +@@ -2404,6 +2498,8 @@ edit_info (DSO *dso, int phase, struct debug_section *sec) + uint32_t value; + htab_t abbrev; + struct abbrev_tag tag, *t; ++ int i; ++ bool first; + + ptr = sec->data; + if (ptr == NULL) +@@ -2507,6 +2603,8 @@ edit_info (DSO *dso, int phase, struct debug_section *sec) + if (abbrev == NULL) + return 1; + ++ first = true; ++ str_offsets_base = 0; + while (ptr < endcu) + { + tag.entry = read_uleb128 (ptr); +@@ -2521,6 +2619,30 @@ edit_info (DSO *dso, int phase, struct debug_section *sec) + return 1; + } + ++ /* We need str_offsets_base before processing the CU. */ ++ if (first) ++ { ++ first = false; ++ if (cu_version >= 5) ++ { ++ uint32_t form; ++ unsigned char *fptr = ptr; ++ // We will read this DIE again, save and reset rel reading ++ REL *old_relptr = relptr; ++ for (i = 0; i < t->nattr; ++i) ++ { ++ form = t->attr[i].form; ++ if (t->attr[i].attr == DW_AT_str_offsets_base) ++ { ++ str_offsets_base = do_read_32_relocated (fptr); ++ break; ++ } ++ skip_form (dso, &form, &fptr); ++ } ++ // Reset the rel reading... ++ relptr = old_relptr; ++ } ++ } + ptr = edit_attributes (dso, ptr, t, phase); + if (ptr == NULL) + break; +@@ -2554,6 +2676,41 @@ edit_dwarf2_any_str (DSO *dso, struct strings *strings, debug_section *secp) + strings->str_buf = strdata->d_buf; + } + ++/* Rebuild .debug_str_offsets. */ ++static void ++update_str_offsets (DSO *dso) ++{ ++ unsigned char *ptr = debug_sections[DEBUG_STR_OFFSETS].data; ++ unsigned char *endp = ptr + debug_sections[DEBUG_STR_OFFSETS].size; ++ ++ while (ptr < endp) ++ { ++ /* Read header, unit_length, version and padding. */ ++ if (endp - ptr < 3 * 4) ++ break; ++ uint32_t unit_length = read_32 (ptr); ++ if (unit_length == 0xffffffff || endp - ptr < unit_length) ++ break; ++ unsigned char *endidxp = ptr + unit_length; ++ uint32_t version = read_32 (ptr); ++ if (version != 5) ++ break; ++ uint32_t padding = read_32 (ptr); ++ if (padding != 0) ++ break; ++ ++ while (ptr < endidxp) ++ { ++ struct stridxentry *entry; ++ size_t idx, new_idx; ++ idx = do_read_32_relocated (ptr); ++ entry = string_find_entry (&dso->debug_str, idx); ++ new_idx = strent_offset (entry->entry); ++ write_32_relocated (ptr, new_idx); ++ } ++ } ++} ++ + static int + edit_dwarf2 (DSO *dso) + { +@@ -2675,6 +2832,7 @@ edit_dwarf2 (DSO *dso) + if (dso->ehdr.e_ident[EI_DATA] == ELFDATA2LSB) + { + do_read_16 = buf_read_ule16; ++ do_read_24 = buf_read_ule24; + do_read_32 = buf_read_ule32; + do_write_16 = dwarf2_write_le16; + do_write_32 = dwarf2_write_le32; +@@ -2682,6 +2840,7 @@ edit_dwarf2 (DSO *dso) + else if (dso->ehdr.e_ident[EI_DATA] == ELFDATA2MSB) + { + do_read_16 = buf_read_ube16; ++ do_read_24 = buf_read_ube24; + do_read_32 = buf_read_ube32; + do_write_16 = dwarf2_write_be16; + do_write_32 = dwarf2_write_be32; +@@ -2997,6 +3156,15 @@ edit_dwarf2 (DSO *dso) + dirty_section (DEBUG_MACRO); + if (need_stmt_update || need_line_strp_update) + dirty_section (DEBUG_LINE); ++ if (need_strp_update && debug_sections[DEBUG_STR_OFFSETS].data != NULL) ++ { ++ setup_relbuf(dso, &debug_sections[DEBUG_STR_OFFSETS], &reltype); ++ rel_updated = false; ++ update_str_offsets (dso); ++ dirty_section (DEBUG_STR_OFFSETS); ++ if (rel_updated) ++ update_rela_data (dso, &debug_sections[DEBUG_STR_OFFSETS]); ++ } + + /* Update any relocations addends we might have touched. */ + if (info_rel_updated) +-- +2.42.0 |