163 lines
5.8 KiB
Diff
163 lines
5.8 KiB
Diff
commit f3a7fb548c8600a6e290d306b933725ebc546cd0
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Author: Emery Hemingway <ehmry@posteo.net>
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Date: Wed May 6 04:38:35 2020 +0530
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libc: add siginterrupt dummy
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diff --git a/repos/libports/src/lib/libc/signal.cc b/repos/libports/src/lib/libc/signal.cc
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index dc9af2d443..784257c48e 100644
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--- a/repos/libports/src/lib/libc/signal.cc
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+++ b/repos/libports/src/lib/libc/signal.cc
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@@ -131,6 +131,9 @@ extern "C" int sigaction(int signum, const struct sigaction *act, struct sigacti
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}
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+extern "C" int siginterrupt(int sig, int flag) { return 0; };
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+
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+
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extern "C" int _sigaction(int, const struct sigaction *, struct sigaction *) __attribute__((weak, alias("sigaction")));
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extern "C" int __sys_sigaction(int, const struct sigaction *, struct sigaction *) __attribute__((weak, alias("sigaction")));
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extern "C" int __libc_sigaction(int, const struct sigaction *, struct sigaction *) __attribute__((weak, alias("sigaction")));
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commit 65244c99c250767922b9afca9663ddcb7a7753f8
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Author: Emery Hemingway <ehmry@posteo.net>
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Date: Wed May 6 04:59:56 2020 +0530
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libc: add upstream mbsinit
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diff --git a/repos/libports/lib/mk/libc-locale.mk b/repos/libports/lib/mk/libc-locale.mk
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index 8e75e59589..2bb98b1456 100644
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--- a/repos/libports/lib/mk/libc-locale.mk
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+++ b/repos/libports/lib/mk/libc-locale.mk
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@@ -6,7 +6,7 @@ CC_OPT += -D_Thread_local=""
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FILTER_OUT = \
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c16rtomb.c c32rtomb_iconv.c mbrtoc16_iconv.c mbrtoc32_iconv.c \
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setlocale.c xlocale.c setrunelocale.c \
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- ascii.c big5.c euc.co gb18030.c gb2312.c gbk.c mbsinit.c mskanji.c utf8.c \
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+ ascii.c big5.c euc.co gb18030.c gb2312.c gbk.c mskanji.c utf8.c \
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SRC_C = $(filter-out $(FILTER_OUT),$(notdir $(wildcard $(LIBC_LOCALE_DIR)/*.c)))
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commit 81fc78f8e0ac66a7275e149f7f7fdc5f4f1f2979
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Author: Emery Hemingway <ehmry@posteo.net>
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Date: Wed May 27 16:35:16 2020 +0530
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libc: add mlock and munlock dummies
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diff --git a/repos/libports/src/lib/libc/dummies.cc b/repos/libports/src/lib/libc/dummies.cc
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index 37c2c83f89..bc2f15a90a 100644
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--- a/repos/libports/src/lib/libc/dummies.cc
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+++ b/repos/libports/src/lib/libc/dummies.cc
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@@ -221,5 +221,15 @@ int __attribute__((weak)) madvise(void *addr, size_t length, int advice)
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const struct res_sym __p_type_syms[] = { };
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+#define DUMMY_EPERM(ret_type, ret_val, name, args) __attribute__((weak)) \
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+ret_type name args \
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+{ \
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+ errno = EPERM; \
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+ return ret_val; \
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+}
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+
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+DUMMY_EPERM(int, -1, mlock, (const void *, size_t));
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+DUMMY_EPERM(int, -1, munlock, (const void *, size_t));
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+
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} /* extern "C" */
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commit f45e11626aca92be04bc9c8ed74f010ff62862dd
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Author: Emery Hemingway <ehmry@posteo.net>
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Date: Fri May 29 09:26:50 2020 +0530
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libc: return 0 from getpgrp and getppid dummies
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diff --git a/repos/libports/src/lib/libc/dummies.cc b/repos/libports/src/lib/libc/dummies.cc
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index 150640ddf3..e511897600 100644
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--- a/repos/libports/src/lib/libc/dummies.cc
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+++ b/repos/libports/src/lib/libc/dummies.cc
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@@ -109,8 +109,8 @@ DUMMY(char *, 0, _getlogin, (void))
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DUMMY(int , -1, getnameinfo, (const sockaddr *, socklen_t, char *, size_t, char *, size_t, int))
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DUMMY(struct servent *, 0, getservbyname, (const char *, const char *))
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DUMMY(int , -1, getsid, (pid_t))
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-DUMMY_SILENT(pid_t , -1, getppid, (void))
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-DUMMY(pid_t , -1, getpgrp, (void))
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+DUMMY_SILENT(pid_t , 0, getpgrp, (void))
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+DUMMY_SILENT(pid_t , 0, getppid, (void))
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DUMMY(int , -1, getpriority, (int, int))
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DUMMY(int , -1, getrusage, (int, rusage *))
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DUMMY_SILENT(uid_t , 0, getuid, (void))
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From 01bac4b0add9da8bbb4fcbe339605533ab7e7be5 Mon Sep 17 00:00:00 2001
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From: Emery Hemingway <ehmry@posteo.net>
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Date: Thu, 26 Nov 2020 12:47:30 +0100
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Subject: [PATCH] libc: always set argv and envp to valid arrays
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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The argument array passed to main(…) must be a null terminated array, even
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if argc is zero. Set at least one environment variable in any case.
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Fix #3955
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---
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repos/libports/include/libc/args.h | 29 +++++++++++++++++++++++++----
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1 file changed, 25 insertions(+), 4 deletions(-)
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diff --git a/repos/libports/include/libc/args.h b/repos/libports/include/libc/args.h
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index 76645d82cb..fab299b8d3 100644
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--- a/repos/libports/include/libc/args.h
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+++ b/repos/libports/include/libc/args.h
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@@ -25,6 +25,7 @@ static void populate_args_and_env(Libc::Env &env, int &argc, char **&argv, char
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{
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using Genode::Xml_node;
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using Genode::Xml_attribute;
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+ using Genode::max;
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env.config([&] (Xml_node const &node) {
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@@ -40,12 +41,25 @@ static void populate_args_and_env(Libc::Env &env, int &argc, char **&argv, char
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++envc;
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});
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- if (argc == 0 && envc == 0)
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+ if (argc == 0 && envc == 0) {
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+ /*
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+ * If argc is zero then argv is still a NULL-terminated array.
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+ *
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+ * Invent an enviromental variable in case the application
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+ * does not handle an empty environment. SHLVL=0 is
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+ * just an indication that this application lacks a parent
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+ * shell.
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+ */
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+ static char const *args[] = { nullptr, "SHLVL=0", nullptr };
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+ argc = 0;
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+ argv = (char**)&args;
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+ envp = &argv[1];
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return; /* from lambda */
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+ }
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- /* arguments and environment are a contiguous array (but don't count on it) */
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- argv = (char**)malloc((argc + envc + 1) * sizeof(char*));
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- envp = &argv[argc];
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+ /* arguments and environment are arranged System V style (but don't count on it) */
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+ argv = (char**)malloc((argc + max(envc, 1) + 2) * sizeof(char*));
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+ envp = &argv[argc+1];
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/* read the arguments */
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int arg_i = 0;
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@@ -123,6 +137,13 @@ static void populate_args_and_env(Libc::Env &env, int &argc, char **&argv, char
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catch (Xml_node::Nonexistent_attribute) { }
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});
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+ /* argv and envp are both NULL terminated */
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+
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+ argv[arg_i] = NULL;
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+
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+ /* invent an env-var if none are present, see note above */
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+ if (env_i == 0)
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+ envp[env_i++] = (char*)"SHLVL=0";
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envp[env_i] = NULL;
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});
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}
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--
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2.29.2
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