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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /xpcom/reflect/xptcall/genstubs.pl | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'xpcom/reflect/xptcall/genstubs.pl')
-rw-r--r-- | xpcom/reflect/xptcall/genstubs.pl | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/xpcom/reflect/xptcall/genstubs.pl b/xpcom/reflect/xptcall/genstubs.pl new file mode 100644 index 0000000000..29797ccc58 --- /dev/null +++ b/xpcom/reflect/xptcall/genstubs.pl @@ -0,0 +1,87 @@ +#!/usr/local/bin/perl +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, You can obtain one at http://mozilla.org/MPL/2.0/. + + +# This is used to generate stub entry points. We generate a file to +# be included in the declaraion and a file to be used for expanding macros +# to represent the implementation of the stubs. + +# +# if "$entry_count" is ever changed and the .inc files regenerated then +# the following issues need to be addressed: +# +# 1) The current Linux ARM code has a limitation of only having 256-3 stubs, +# as a result of the limitations of immediate values in ARM assembly. +# +# This number is verified by the IDL parser in xpcom/idl-parser/xpidl.py, as +# well as in xpcom/reflect/xptinfo/xptinfo.cpp, to prevent generating interfaces +# or loading xpt files that would cause the stubs to run off the entries. +# If you change this number, please update that location. + +# 3 entries are already 'used' by the 3 methods of nsISupports. +# 3+247+5=255 This should get us in under the Linux ARM limitation +$entry_count = 247; +$sentinel_count = 5; + +$decl_name = "xptcstubsdecl.inc"; +$def_name = "xptcstubsdef.inc"; + +## +## Write the declarations include file +## + +die "Can't open $decl_name" if !open(OUTFILE, ">$decl_name"); + +print OUTFILE "/* generated file - DO NOT EDIT */\n\n"; +print OUTFILE "/* includes ",$entry_count," stub entries, and ", + $sentinel_count," sentinel entries */\n\n"; +print OUTFILE "/*\n"; +print OUTFILE "* declarations of normal stubs...\n"; +print OUTFILE "* 0 is QueryInterface\n"; +print OUTFILE "* 1 is AddRef\n"; +print OUTFILE "* 2 is Release\n"; +print OUTFILE "*/\n"; +print OUTFILE "#if !defined(__ia64) || (!defined(__hpux) && !defined(__linux__) && !defined(__FreeBSD__))\n"; +for($i = 0; $i < $entry_count; $i++) { + print OUTFILE "NS_IMETHOD Stub",$i+3,"();\n"; +} +print OUTFILE "#else\n"; +for($i = 0; $i < $entry_count; $i++) { + print OUTFILE "NS_IMETHOD Stub",$i+3,"(uint64_t,uint64_t,\n"; + print OUTFILE " uint64_t,uint64_t,uint64_t,uint64_t,uint64_t,uint64_t);\n"; + +} +print OUTFILE "#endif\n"; + +print OUTFILE "\n/* declarations of sentinel stubs */\n"; + +for($i = 0; $i < $sentinel_count; $i++) { + print OUTFILE "NS_IMETHOD Sentinel",$i,"();\n"; +} +close(OUTFILE); + + +## +## Write the definitions include file. This assumes a macro will be used to +## expand the entries written... +## + +die "Can't open $def_name" if !open(OUTFILE, ">$def_name"); + +## Disabled for bug 275004 - followup to fix is Bug 419604 +my $warn_inc_is_generated = 0; +if ($warn_inc_is_generated) { +print OUTFILE "/* generated file - DO NOT EDIT */\n\n"; +print OUTFILE "/* includes ",$entry_count," stub entries, and ", + $sentinel_count," sentinel entries */\n\n"; +} + +for($i = 0; $i < $entry_count; $i++) { + print OUTFILE "STUB_ENTRY(",$i+3,")\n"; +} + +for($i = 0; $i < $sentinel_count; $i++) { + print OUTFILE "SENTINEL_ENTRY(",$i,")\n"; +} |