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author | Simon Marchi <simon.marchi@efficios.com> | 2023-04-12 16:27:01 -0400 |
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committer | Simon Marchi <simon.marchi@efficios.com> | 2023-11-16 21:26:45 -0500 |
commit | d6ac292e5fecde8fe92f79e83c69d80766f57976 (patch) | |
tree | f742a522a32b8c365ec3ba0a9b9b3507ea06b5e3 | |
parent | 0da4f405f8d9d15b9381075debce788251e31815 (diff) | |
download | fsf-binutils-gdb-d6ac292e5fecde8fe92f79e83c69d80766f57976.zip fsf-binutils-gdb-d6ac292e5fecde8fe92f79e83c69d80766f57976.tar.gz fsf-binutils-gdb-d6ac292e5fecde8fe92f79e83c69d80766f57976.tar.bz2 |
gdb: remove two uses of obstack
Remove uses of obstack in the code generating the libraries XML for
Windows and AIX. Use std::string instead. I'm not able to test this
change, unfortunately.
Change-Id: I28480913337e3fe8d6c31e551626931e6b1367ef
Approved-By: Tom Tromey <tom@tromey.com>
-rw-r--r-- | gdb/rs6000-aix-tdep.c | 62 | ||||
-rw-r--r-- | gdb/windows-nat.c | 17 | ||||
-rw-r--r-- | gdb/windows-tdep.c | 38 | ||||
-rw-r--r-- | gdb/windows-tdep.h | 3 |
4 files changed, 48 insertions, 72 deletions
diff --git a/gdb/rs6000-aix-tdep.c b/gdb/rs6000-aix-tdep.c index b8772bd..64d14d7 100644 --- a/gdb/rs6000-aix-tdep.c +++ b/gdb/rs6000-aix-tdep.c @@ -1238,44 +1238,41 @@ rs6000_aix_extract_ld_info (struct gdbarch *gdbarch, return info; } -/* Append to OBJSTACK an XML string description of the shared library +/* Append to XML an XML string description of the shared library corresponding to LDI, following the TARGET_OBJECT_LIBRARIES_AIX format. */ static void -rs6000_aix_shared_library_to_xml (struct ld_info *ldi, - struct obstack *obstack) +rs6000_aix_shared_library_to_xml (struct ld_info *ldi, std::string &xml) { - obstack_grow_str (obstack, "<library name=\""); - std::string p = xml_escape_text (ldi->filename); - obstack_grow_str (obstack, p.c_str ()); - obstack_grow_str (obstack, "\""); + xml += "<library name=\""; + xml_escape_text_append (xml, ldi->filename); + xml += '"'; if (ldi->member_name[0] != '\0') { - obstack_grow_str (obstack, " member=\""); - p = xml_escape_text (ldi->member_name); - obstack_grow_str (obstack, p.c_str ()); - obstack_grow_str (obstack, "\""); + xml += " member=\""; + xml_escape_text_append (xml, ldi->member_name); + xml += '"'; } - obstack_grow_str (obstack, " text_addr=\""); - obstack_grow_str (obstack, core_addr_to_string (ldi->textorg)); - obstack_grow_str (obstack, "\""); + xml += " text_addr=\""; + xml += core_addr_to_string (ldi->textorg); + xml += '"'; - obstack_grow_str (obstack, " text_size=\""); - obstack_grow_str (obstack, pulongest (ldi->textsize)); - obstack_grow_str (obstack, "\""); + xml += " text_size=\""; + xml += pulongest (ldi->textsize); + xml += '"'; - obstack_grow_str (obstack, " data_addr=\""); - obstack_grow_str (obstack, core_addr_to_string (ldi->dataorg)); - obstack_grow_str (obstack, "\""); + xml += " data_addr=\""; + xml += core_addr_to_string (ldi->dataorg); + xml += '"'; - obstack_grow_str (obstack, " data_size=\""); - obstack_grow_str (obstack, pulongest (ldi->datasize)); - obstack_grow_str (obstack, "\""); + xml += " data_size=\""; + xml += pulongest (ldi->datasize); + xml += '"'; - obstack_grow_str (obstack, "></library>"); + xml += "></library>"; } /* Convert the ld_info binary data provided by the AIX loader into @@ -1298,18 +1295,13 @@ rs6000_aix_ld_info_to_xml (struct gdbarch *gdbarch, const gdb_byte *ldi_buf, gdb_byte *readbuf, ULONGEST offset, ULONGEST len, int close_ldinfo_fd) { - struct obstack obstack; - const char *buf; - ULONGEST len_avail; - - obstack_init (&obstack); - obstack_grow_str (&obstack, "<library-list-aix version=\"1.0\">\n"); + std::string xml = "<library-list-aix version=\"1.0\">\n"; while (1) { struct ld_info ldi = rs6000_aix_extract_ld_info (gdbarch, ldi_buf); - rs6000_aix_shared_library_to_xml (&ldi, &obstack); + rs6000_aix_shared_library_to_xml (&ldi, xml); if (close_ldinfo_fd) close (ldi.fd); @@ -1318,20 +1310,18 @@ rs6000_aix_ld_info_to_xml (struct gdbarch *gdbarch, const gdb_byte *ldi_buf, ldi_buf = ldi_buf + ldi.next; } - obstack_grow_str0 (&obstack, "</library-list-aix>\n"); + xml += "</library-list-aix>\n"; - buf = (const char *) obstack_finish (&obstack); - len_avail = strlen (buf); + ULONGEST len_avail = xml.length (); if (offset >= len_avail) len= 0; else { if (len > len_avail - offset) len = len_avail - offset; - memcpy (readbuf, buf + offset, len); + memcpy (readbuf, xml.data () + offset, len); } - obstack_free (&obstack, NULL); return len; } diff --git a/gdb/windows-nat.c b/gdb/windows-nat.c index b446afd..b98efe8 100644 --- a/gdb/windows-nat.c +++ b/gdb/windows-nat.c @@ -2908,30 +2908,25 @@ windows_xfer_shared_libraries (struct target_ops *ops, ULONGEST offset, ULONGEST len, ULONGEST *xfered_len) { - auto_obstack obstack; - const char *buf; - LONGEST len_avail; - if (writebuf) return TARGET_XFER_E_IO; - obstack_grow_str (&obstack, "<library-list>\n"); + std::string xml = "<library-list>\n"; for (windows_solib &so : windows_process.solibs) windows_xfer_shared_library (so.name.c_str (), (CORE_ADDR) (uintptr_t) so.load_addr, &so.text_offset, - current_inferior ()->arch (), &obstack); - obstack_grow_str0 (&obstack, "</library-list>\n"); + current_inferior ()->arch (), xml); + xml += "</library-list>\n"; - buf = (const char *) obstack_finish (&obstack); - len_avail = strlen (buf); + ULONGEST len_avail = xml.size (); if (offset >= len_avail) - len= 0; + len = 0; else { if (len > len_avail - offset) len = len_avail - offset; - memcpy (readbuf, buf + offset, len); + memcpy (readbuf, xml.data () + offset, len); } *xfered_len = (ULONGEST) len; diff --git a/gdb/windows-tdep.c b/gdb/windows-tdep.c index 29aec5a..c65cdb8 100644 --- a/gdb/windows-tdep.c +++ b/gdb/windows-tdep.c @@ -527,14 +527,13 @@ display_tib (const char * args, int from_tty) void windows_xfer_shared_library (const char* so_name, CORE_ADDR load_addr, CORE_ADDR *text_offset_cached, - struct gdbarch *gdbarch, struct obstack *obstack) + struct gdbarch *gdbarch, std::string &xml) { CORE_ADDR text_offset = text_offset_cached ? *text_offset_cached : 0; - obstack_grow_str (obstack, "<library name=\""); - std::string p = xml_escape_text (so_name); - obstack_grow_str (obstack, p.c_str ()); - obstack_grow_str (obstack, "\"><segment address=\""); + xml += "<library name=\""; + xml_escape_text_append (xml, so_name); + xml += "\"><segment address=\""; if (!text_offset) { @@ -547,8 +546,8 @@ windows_xfer_shared_library (const char* so_name, CORE_ADDR load_addr, *text_offset_cached = text_offset; } - obstack_grow_str (obstack, paddress (gdbarch, load_addr + text_offset)); - obstack_grow_str (obstack, "\"/></library>"); + xml += paddress (gdbarch, load_addr + text_offset); + xml += "\"/></library>"; } /* Implement the "iterate_over_objfiles_in_search_order" gdbarch @@ -1087,7 +1086,7 @@ range [%s, %s]."), struct cpms_data { struct gdbarch *gdbarch; - struct obstack *obstack; + std::string xml; int module_count; }; @@ -1145,37 +1144,30 @@ core_process_module_section (bfd *abfd, asection *sect, void *obj) /* The first module is the .exe itself. */ if (data->module_count != 0) windows_xfer_shared_library (module_name, base_addr, - NULL, data->gdbarch, data->obstack); + NULL, data->gdbarch, data->xml); data->module_count++; } ULONGEST windows_core_xfer_shared_libraries (struct gdbarch *gdbarch, - gdb_byte *readbuf, - ULONGEST offset, ULONGEST len) + gdb_byte *readbuf, + ULONGEST offset, ULONGEST len) { - struct obstack obstack; - const char *buf; - ULONGEST len_avail; - struct cpms_data data = { gdbarch, &obstack, 0 }; - - obstack_init (&obstack); - obstack_grow_str (&obstack, "<library-list>\n"); + cpms_data data { gdbarch, "<library-list>\n", 0 }; bfd_map_over_sections (core_bfd, core_process_module_section, &data); - obstack_grow_str0 (&obstack, "</library-list>\n"); + data.xml += "</library-list>\n"; - buf = (const char *) obstack_finish (&obstack); - len_avail = strlen (buf); + ULONGEST len_avail = data.xml.length (); if (offset >= len_avail) return 0; if (len > len_avail - offset) len = len_avail - offset; - memcpy (readbuf, buf + offset, len); - obstack_free (&obstack, NULL); + memcpy (readbuf, data.xml.data () + offset, len); + return len; } diff --git a/gdb/windows-tdep.h b/gdb/windows-tdep.h index be4a363..740f72e 100644 --- a/gdb/windows-tdep.h +++ b/gdb/windows-tdep.h @@ -18,7 +18,6 @@ #ifndef WINDOWS_TDEP_H #define WINDOWS_TDEP_H -struct obstack; struct gdbarch; extern struct cmd_list_element *info_w32_cmdlist; @@ -29,7 +28,7 @@ extern void windows_xfer_shared_library (const char* so_name, CORE_ADDR load_addr, CORE_ADDR *text_offset_cached, struct gdbarch *gdbarch, - struct obstack *obstack); + std::string &xml); extern ULONGEST windows_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdb_byte *readbuf, |