From f098eb6d221b4b0ae8451cdbe0286c626ab6ee62 Mon Sep 17 00:00:00 2001 From: "Frank Ch. Eigler" Date: Sun, 23 Aug 2009 18:18:21 -0400 Subject: PR10551: build compatibility for pax/grsecurity include/linux/module.h This patch adapts to patches such as: diff -urNp linux-2.6.29.6/include/linux/module.h linux-2.6.29.6/include/linux/module.h --- linux-2.6.29.6/include/linux/module.h 2009-07-02 19:41:20.000000000 -0400 +++ linux-2.6.29.6/include/linux/module.h 2009-07-30 17:59:26.175602427 -0400 @@ -278,16 +278,16 @@ struct module int (*init)(void); /* If this is non-NULL, vfree after init() returns */ - void *module_init; + void *module_init_rx, *module_init_rw; /* Here is the actual code + data, vfree'd on unload. */ - void *module_core; + void *module_core_rx, *module_core_rw; /* Here are the sizes of the init and core sections */ - unsigned int init_size, core_size; + unsigned int init_size_rw, core_size_rw; /* The size of the executable code in each section. */ - unsigned int init_text_size, core_text_size; + unsigned int init_size_rx, core_size_rx; * runtime/autoconf-grsecurity.c: New test. * buildrun.cxx: Try it. * runtime/print.c: Use it. --- buildrun.cxx | 1 + runtime/autoconf-grsecurity.c | 11 +++++++++++ runtime/print.c | 30 +++++++++++++++++------------- 3 files changed, 29 insertions(+), 13 deletions(-) create mode 100644 runtime/autoconf-grsecurity.c diff --git a/buildrun.cxx b/buildrun.cxx index 796663e0..1820002d 100644 --- a/buildrun.cxx +++ b/buildrun.cxx @@ -154,6 +154,7 @@ compile_pass (systemtap_session& s) output_autoconf(s, o, "autoconf-procfs-owner.c", "STAPCONF_PROCFS_OWNER", NULL); output_autoconf(s, o, "autoconf-alloc-percpu-align.c", "STAPCONF_ALLOC_PERCPU_ALIGN", NULL); output_autoconf(s, o, "autoconf-x86-gs.c", "STAPCONF_X86_GS", NULL); + output_autoconf(s, o, "autoconf-grsecurity.c", "STAPCONF_GRSECURITY", NULL); #if 0 /* NB: For now, the performance hit of probe_kernel_read/write (vs. our diff --git a/runtime/autoconf-grsecurity.c b/runtime/autoconf-grsecurity.c new file mode 100644 index 00000000..ee2e4e55 --- /dev/null +++ b/runtime/autoconf-grsecurity.c @@ -0,0 +1,11 @@ +/* PR10551: pax/grsecurity changes linux/module.h */ + +#include + +struct module *t; +unsigned size; + +void foo (void) +{ + size += t->init_size_rw + t->init_size_rx + t->core_size_rw + t->core_size_rx; +} diff --git a/runtime/print.c b/runtime/print.c index 69e04073..b11e659b 100644 --- a/runtime/print.c +++ b/runtime/print.c @@ -216,28 +216,32 @@ static void _stp_print_char (const char c) static void _stp_print_kernel_info(char *vstr, int ctx, int num_probes) { + printk(KERN_DEBUG + "%s: systemtap: %s, base: %p, memory: %lu+%lu+%u+%u" #ifdef DEBUG_MEM - printk(KERN_DEBUG "%s: systemtap: %s, base: %p, memory: %lu+%lu+%u+%u+%u data+text+ctx+net+alloc, probes: %d\n", + "+%u" +#endif + " data+text+ctx+net" +#ifdef DEBUG_MEM + "+alloc" +#endif + ", probes: %d\n", THIS_MODULE->name, vstr, - THIS_MODULE->module_core, + THIS_MODULE->module_core, +#ifndef STAPCONF_GRSECURITY (unsigned long) (THIS_MODULE->core_size - THIS_MODULE->core_text_size), (unsigned long) THIS_MODULE->core_text_size, - ctx, - _stp_allocated_net_memory, - _stp_allocated_memory - _stp_allocated_net_memory, - num_probes); #else - printk(KERN_DEBUG "%s: systemtap: %s, base: %p, memory: %lu+%lu+%u+%u data+text+ctx+net, probes: %d\n", - THIS_MODULE->name, - vstr, - THIS_MODULE->module_core, - (unsigned long) (THIS_MODULE->core_size - THIS_MODULE->core_text_size), - (unsigned long) THIS_MODULE->core_text_size, + (unsigned long) (THIS_MODULE->core_size_rw - THIS_MODULE->core_size_rx), + (unsigned long) THIS_MODULE->core_size_rx, +#endif ctx, _stp_allocated_net_memory, - num_probes); +#ifdef DEBUG_MEM + _stp_allocated_memory - _stp_allocated_net_memory, #endif + num_probes); } /** @} */ -- cgit