diff options
Diffstat (limited to 'meta/recipes-devtools/valgrind/valgrind/0002-Bug-476548-valgrind-3.22.0-fails-on-assertion-when-l.patch')
| -rw-r--r-- | meta/recipes-devtools/valgrind/valgrind/0002-Bug-476548-valgrind-3.22.0-fails-on-assertion-when-l.patch | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/meta/recipes-devtools/valgrind/valgrind/0002-Bug-476548-valgrind-3.22.0-fails-on-assertion-when-l.patch b/meta/recipes-devtools/valgrind/valgrind/0002-Bug-476548-valgrind-3.22.0-fails-on-assertion-when-l.patch new file mode 100644 index 0000000000..5759fa039a --- /dev/null +++ b/meta/recipes-devtools/valgrind/valgrind/0002-Bug-476548-valgrind-3.22.0-fails-on-assertion-when-l.patch @@ -0,0 +1,147 @@ +From 1d00e5ce0fb069911c4b525ec38289fb5d9021b0 Mon Sep 17 00:00:00 2001 +From: Paul Floyd <pjfloyd@wanadoo.fr> +Date: Sat, 18 Nov 2023 08:49:34 +0100 +Subject: [PATCH 2/4] Bug 476548 - valgrind 3.22.0 fails on assertion when + loading debuginfo file produced by mold + +(cherry picked from commit 9ea4ae66707a4dcc6f4328e11911652e4418c585) + +Upstream-Status: Backport [https://sourceware.org/git/?p=valgrind.git;a=commit;h=1d00e5ce0fb069911c4b525ec38289fb5d9021b0] +Signed-off-by: Khem Raj <raj.khem@gmail.com> +--- + NEWS | 2 ++ + coregrind/m_debuginfo/image.c | 14 +++++++++ + coregrind/m_debuginfo/priv_image.h | 4 +++ + coregrind/m_debuginfo/readelf.c | 49 ++++++++++++++++++++++++++++-- + 4 files changed, 66 insertions(+), 3 deletions(-) + +diff --git a/NEWS b/NEWS +index ee5b4ff11..6cd13429a 100644 +--- a/NEWS ++++ b/NEWS +@@ -5,6 +5,8 @@ Branch 3.22 + + The following bugs have been fixed or resolved on this branch. + ++476548 valgrind 3.22.0 fails on assertion when loading debuginfo ++ file produced by mold + 476708 valgrind-monitor.py regular expressions should use raw strings + + To see details of a given bug, visit +diff --git a/coregrind/m_debuginfo/image.c b/coregrind/m_debuginfo/image.c +index 02e509071..445f95555 100644 +--- a/coregrind/m_debuginfo/image.c ++++ b/coregrind/m_debuginfo/image.c +@@ -1221,6 +1221,20 @@ Int ML_(img_strcmp_c)(DiImage* img, DiOffT off1, const HChar* str2) + } + } + ++Int ML_(img_strcmp_n)(DiImage* img, DiOffT off1, const HChar* str2, Word n) ++{ ++ ensure_valid(img, off1, 1, "ML_(img_strcmp_c)"); ++ while (n) { ++ UChar c1 = get(img, off1); ++ UChar c2 = *(const UChar*)str2; ++ if (c1 < c2) return -1; ++ if (c1 > c2) return 1; ++ if (c1 == 0) return 0; ++ off1++; str2++; --n; ++ } ++ return 0; ++} ++ + UChar ML_(img_get_UChar)(DiImage* img, DiOffT offset) + { + ensure_valid(img, offset, 1, "ML_(img_get_UChar)"); +diff --git a/coregrind/m_debuginfo/priv_image.h b/coregrind/m_debuginfo/priv_image.h +index a49846f14..c91e49f01 100644 +--- a/coregrind/m_debuginfo/priv_image.h ++++ b/coregrind/m_debuginfo/priv_image.h +@@ -115,6 +115,10 @@ Int ML_(img_strcmp)(DiImage* img, DiOffT off1, DiOffT off2); + cast to HChar before comparison. */ + Int ML_(img_strcmp_c)(DiImage* img, DiOffT off1, const HChar* str2); + ++/* Do strncmp of a C string in the image vs a normal one. Chars are ++ cast to HChar before comparison. */ ++Int ML_(img_strcmp_n)(DiImage* img, DiOffT off1, const HChar* str2, Word n); ++ + /* Do strlen of a C string in the image. */ + SizeT ML_(img_strlen)(DiImage* img, DiOffT off); + +diff --git a/coregrind/m_debuginfo/readelf.c b/coregrind/m_debuginfo/readelf.c +index fb64ed976..46f8c8343 100644 +--- a/coregrind/m_debuginfo/readelf.c ++++ b/coregrind/m_debuginfo/readelf.c +@@ -2501,8 +2501,7 @@ Bool ML_(read_elf_object) ( struct _DebugInfo* di ) + di->rodata_avma += inrw1->bias; + di->rodata_bias = inrw1->bias; + di->rodata_debug_bias = inrw1->bias; +- } +- else { ++ } else { + BAD(".rodata"); /* should not happen? */ + } + di->rodata_present = True; +@@ -2977,6 +2976,46 @@ Bool ML_(read_elf_object) ( struct _DebugInfo* di ) + return retval; + } + ++static void find_rodata(Word i, Word shnum, DiImage* dimg, struct _DebugInfo* di, DiOffT shdr_dioff, ++ UWord shdr_dent_szB, DiOffT shdr_strtab_dioff, PtrdiffT rw_dbias) ++{ ++ ElfXX_Shdr a_shdr; ++ ElfXX_Shdr a_extra_shdr; ++ ML_(img_get)(&a_shdr, dimg, ++ INDEX_BIS(shdr_dioff, i, shdr_dent_szB), ++ sizeof(a_shdr)); ++ if (di->rodata_present && ++ 0 == ML_(img_strcmp_c)(dimg, shdr_strtab_dioff ++ + a_shdr.sh_name, ".rodata")) { ++ Word sh_size = a_shdr.sh_size; ++ Word j; ++ Word next_addr = a_shdr.sh_addr + a_shdr.sh_size; ++ for (j = i + 1; j < shnum; ++j) { ++ ML_(img_get)(&a_extra_shdr, dimg, ++ INDEX_BIS(shdr_dioff, j, shdr_dent_szB), ++ sizeof(a_shdr)); ++ if (0 == ML_(img_strcmp_n)(dimg, shdr_strtab_dioff ++ + a_extra_shdr.sh_name, ".rodata", 7)) { ++ if (a_extra_shdr.sh_addr == ++ VG_ROUNDUP(next_addr, a_extra_shdr.sh_addralign)) { ++ sh_size = VG_ROUNDUP(sh_size, a_extra_shdr.sh_addralign) + a_extra_shdr.sh_size; ++ } ++ next_addr = a_extra_shdr.sh_addr + a_extra_shdr.sh_size; ++ } else { ++ break; ++ } ++ } ++ vg_assert(di->rodata_size == sh_size); ++ vg_assert(di->rodata_avma + a_shdr.sh_addr + rw_dbias); ++ di->rodata_debug_svma = a_shdr.sh_addr; ++ di->rodata_debug_bias = di->rodata_bias + ++ di->rodata_svma - di->rodata_debug_svma; ++ TRACE_SYMTAB("acquiring .rodata debug svma = %#lx .. %#lx\n", ++ di->rodata_debug_svma, ++ di->rodata_debug_svma + di->rodata_size - 1); ++ TRACE_SYMTAB("acquiring .rodata debug bias = %#lx\n", (UWord)di->rodata_debug_bias); ++ } ++} + Bool ML_(read_elf_debug) ( struct _DebugInfo* di ) + { + Word i, j; +@@ -3391,7 +3430,11 @@ Bool ML_(read_elf_debug) ( struct _DebugInfo* di ) + FIND(text, rx) + FIND(data, rw) + FIND(sdata, rw) +- FIND(rodata, rw) ++ // https://bugs.kde.org/show_bug.cgi?id=476548 ++ // special handling for rodata as adjacent ++ // rodata sections may have been merged in ML_(read_elf_object) ++ //FIND(rodata, rw) ++ find_rodata(i, ehdr_dimg.e_shnum, dimg, di, shdr_dioff, shdr_dent_szB, shdr_strtab_dioff, rw_dbias); + FIND(bss, rw) + FIND(sbss, rw) + +-- +2.44.0 + |