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authorThomas Schwinge <thomas@schwinge.name>2011-09-01 00:13:39 +0200
committerThomas Schwinge <thomas@schwinge.name>2011-09-01 00:13:39 +0200
commit688fc9d79713c183c0b7ff2bc1717525c773bee9 (patch)
tree2ef42ed6a293167b41dd26eab998c5720670b209 /glibc/debugging/ld_so_console
parent3f05ba8ce9792e34226595f730ce8bf4b0945b9b (diff)
glibc/debugging/ld_so_console: New.
Patch by Ludovic Courtès.
Diffstat (limited to 'glibc/debugging/ld_so_console')
-rw-r--r--glibc/debugging/ld_so_console/dl-sysdep.c.patch63
1 files changed, 63 insertions, 0 deletions
diff --git a/glibc/debugging/ld_so_console/dl-sysdep.c.patch b/glibc/debugging/ld_so_console/dl-sysdep.c.patch
new file mode 100644
index 00000000..eec8d7c6
--- /dev/null
+++ b/glibc/debugging/ld_so_console/dl-sysdep.c.patch
@@ -0,0 +1,63 @@
+diff --git a/sysdeps/mach/hurd/dl-sysdep.c b/sysdeps/mach/hurd/dl-sysdep.c
+index ff37add..7e6d352 100644
+--- a/sysdeps/mach/hurd/dl-sysdep.c
++++ b/sysdeps/mach/hurd/dl-sysdep.c
+@@ -44,6 +44,8 @@
+ #include <dl-machine.h>
+ #include <dl-procinfo.h>
+
++#include <device/device.h>
++
+ extern void __mach_init (void);
+
+ extern int _dl_argc;
+@@ -116,6 +118,29 @@ static void fmh(void) {
+ /* XXX loser kludge for vm_map kernel bug */
+ #endif
+
++/* Return a port to the Mach console. */
++static mach_port_t
++get_console (void)
++{
++ mach_port_t device_master, console;
++ /* We cannot use __get_privileged_ports (from hurd/privports.c), as this
++ drags in too much other libc stuff. */
++#if 0
++ error_t err = __get_privileged_ports (0, &device_master);
++
++ if (err)
++ return MACH_PORT_NULL;
++#else
++ error_t err = 0;
++ device_master = 2;
++#endif
++
++ err = __device_open (device_master, D_WRITE | D_READ, "console", &console);
++ if (err)
++ return MACH_PORT_NULL;
++
++ return console;
++}
+
+ ElfW(Addr)
+ _dl_sysdep_start (void **start_argptr,
+@@ -256,6 +279,20 @@ unfmh(); /* XXX */
+ /* Set up so we can do RPCs. */
+ __mach_init ();
+
++ /* Open the Mach console so that any message can actually be seen. This is
++ particularly useful at boot time, when started by the bootstrap file
++ system. */
++ mach_port_t console = get_console ();
++ if (console != MACH_PORT_NULL)
++ {
++ /* stdout = mach_open_devstream (console, "w"); */
++ /* stderr = stdout; */
++ /* if (stdout != NULL) */
++ /* printf ("Hello, world!\n"); */
++ int written;
++ __device_write_inband (console, 0, 0, "hello, world!\n", 14, &written);
++ }
++
+ /* Initialize frequently used global variable. */
+ GLRO(dl_pagesize) = __getpagesize (); \ No newline at end of file