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From: Tom Tromey <tromey@sourceware.org> To: gdb-cvs@sourceware.org Subject: [binutils-gdb] Remove compunit_symtab::m_block_line_section Date: Wed, 8 Feb 2023 16:46:48 +0000 (GMT) [thread overview] Message-ID: <20230208164648.84BF6385840F@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=d401e7bf04c0949dcc5e3d83143b75efc19d5f1e commit d401e7bf04c0949dcc5e3d83143b75efc19d5f1e Author: Tom Tromey <tromey@adacore.com> Date: Thu Jan 19 06:14:49 2023 -0700 Remove compunit_symtab::m_block_line_section The previous patch hard-coded SECT_OFF_TEXT into the buildsym code. After this, it's clear that there is only one caller of compunit_symtab::set_block_line_section, and it always passes SECT_OFF_TEXT. So, remove compunit_symtab::m_block_line_section and use SECT_OFF_TEXT instead. Diff: --- gdb/buildsym.c | 2 -- gdb/dwarf2/loc.c | 8 ++------ gdb/gdbtypes.c | 4 +--- gdb/objfiles.c | 4 ++-- gdb/symtab.c | 3 +-- gdb/symtab.h | 14 -------------- 6 files changed, 6 insertions(+), 29 deletions(-) diff --git a/gdb/buildsym.c b/gdb/buildsym.c index 41df0f061c1..d82c7672f7c 100644 --- a/gdb/buildsym.c +++ b/gdb/buildsym.c @@ -974,8 +974,6 @@ buildsym_compunit::end_compunit_symtab_with_blockvector set_block_compunit_symtab (b, cu); } - cu->set_block_line_section (SECT_OFF_TEXT (m_objfile)); - cu->set_macro_table (release_macros ()); /* Default any symbols without a specified symtab to the primary symtab. */ diff --git a/gdb/dwarf2/loc.c b/gdb/dwarf2/loc.c index fe91d609f19..236ad820462 100644 --- a/gdb/dwarf2/loc.c +++ b/gdb/dwarf2/loc.c @@ -718,9 +718,7 @@ call_site_target::iterate_over_addresses case call_site_target::PHYSADDR: { dwarf2_per_objfile *per_objfile = call_site->per_objfile; - compunit_symtab *cust = per_objfile->get_symtab (call_site->per_cu); - int sect_idx = cust->block_line_section (); - CORE_ADDR delta = per_objfile->objfile->section_offsets[sect_idx]; + CORE_ADDR delta = per_objfile->objfile->text_section_offset (); callback (m_loc.physaddr + delta); } @@ -729,9 +727,7 @@ call_site_target::iterate_over_addresses case call_site_target::ADDRESSES: { dwarf2_per_objfile *per_objfile = call_site->per_objfile; - compunit_symtab *cust = per_objfile->get_symtab (call_site->per_cu); - int sect_idx = cust->block_line_section (); - CORE_ADDR delta = per_objfile->objfile->section_offsets[sect_idx]; + CORE_ADDR delta = per_objfile->objfile->text_section_offset (); for (unsigned i = 0; i < m_loc.addresses.length; ++i) callback (m_loc.addresses.values[i] + delta); diff --git a/gdb/gdbtypes.c b/gdb/gdbtypes.c index 6a4c5976f18..45751c9c895 100644 --- a/gdb/gdbtypes.c +++ b/gdb/gdbtypes.c @@ -6436,9 +6436,7 @@ objfile_type (struct objfile *objfile) CORE_ADDR call_site::pc () const { - compunit_symtab *cust = this->per_objfile->get_symtab (this->per_cu); - CORE_ADDR delta - = this->per_objfile->objfile->section_offsets[cust->block_line_section ()]; + CORE_ADDR delta = this->per_objfile->objfile->text_section_offset (); return m_unrelocated_pc + delta; } diff --git a/gdb/objfiles.c b/gdb/objfiles.c index e4fe3562c12..bf5057e723d 100644 --- a/gdb/objfiles.c +++ b/gdb/objfiles.c @@ -629,7 +629,7 @@ objfile_relocate1 (struct objfile *objfile, if (l) { for (int i = 0; i < l->nitems; ++i) - l->item[i].pc += delta[cust->block_line_section ()]; + l->item[i].pc += delta[SECT_OFF_TEXT (objfile)]; } } } @@ -637,7 +637,7 @@ objfile_relocate1 (struct objfile *objfile, for (compunit_symtab *cust : objfile->compunits ()) { struct blockvector *bv = cust->blockvector (); - int block_line_section = cust->block_line_section (); + int block_line_section = SECT_OFF_TEXT (objfile); if (bv->map () != nullptr) bv->map ()->relocate (delta[block_line_section]); diff --git a/gdb/symtab.c b/gdb/symtab.c index a120c1d5e15..bf3a3e3caaa 100644 --- a/gdb/symtab.c +++ b/gdb/symtab.c @@ -342,8 +342,7 @@ compunit_symtab::find_call_site (CORE_ADDR pc) const if (m_call_site_htab == nullptr) return nullptr; - CORE_ADDR delta - = this->objfile ()->section_offsets[this->block_line_section ()]; + CORE_ADDR delta = this->objfile ()->text_section_offset (); CORE_ADDR unrelocated_pc = pc - delta; struct call_site call_site_local (unrelocated_pc, nullptr, nullptr); diff --git a/gdb/symtab.h b/gdb/symtab.h index 484644f6129..50ce7525793 100644 --- a/gdb/symtab.h +++ b/gdb/symtab.h @@ -1786,16 +1786,6 @@ struct compunit_symtab m_blockvector = blockvector; } - int block_line_section () const - { - return m_block_line_section; - } - - void set_block_line_section (int block_line_section) - { - m_block_line_section = block_line_section; - } - bool locations_valid () const { return m_locations_valid; @@ -1884,10 +1874,6 @@ struct compunit_symtab all symtabs in a given compilation unit. */ struct blockvector *m_blockvector; - /* Section in objfile->section_offsets for the blockvector and - the linetable. Probably always SECT_OFF_TEXT. */ - int m_block_line_section; - /* Symtab has been compiled with both optimizations and debug info so that GDB may stop skipping prologues as variables locations are valid already at function entry points. */
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