From 4d8b843d3740cc90c98f181d49f0d4a67cb0a1b7 Mon Sep 17 00:00:00 2001 From: Stefan Reinauer Date: Tue, 5 May 2015 13:10:04 -0700 Subject: Rename documentation -> Documentation In order to be closer to the Linux kernel source tree structure, rename documentation to Documentation. Change-Id: I8690f666638ef352d201bd3c3dc1923b0d24cb12 Signed-off-by: Stefan Reinauer Reviewed-on: http://review.coreboot.org/10110 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi --- documentation/gcov.txt | 227 ------------------------------------------------- 1 file changed, 227 deletions(-) delete mode 100644 documentation/gcov.txt (limited to 'documentation/gcov.txt') diff --git a/documentation/gcov.txt b/documentation/gcov.txt deleted file mode 100644 index 896ec939d6..0000000000 --- a/documentation/gcov.txt +++ /dev/null @@ -1,227 +0,0 @@ -This patch contains our local modifications for gcov-io.h and libgcov.c. -The file gcov-iov.h is taken from a gcc build (produced at compile -time). The file gcov-io.c is unchanged. - ---- gcc-4.7.2/gcc/gcov-io.h 2011-12-04 10:27:19.000000000 -0800 -+++ coreboot/src/lib/gcov-io.h 2013-01-12 16:45:57.000000000 -0800 -@@ -163,6 +163,24 @@ - #ifndef GCC_GCOV_IO_H - #define GCC_GCOV_IO_H - -+#ifdef __COREBOOT__ -+#define GCOV_LINKAGE /* nothing */ -+/* We need the definitions for -+ BITS_PER_UNIT and -+ LONG_LONG_TYPE_SIZE -+ They are defined in gcc/defaults.h and gcc/config/ -+ (like, gcc/config/i386/i386.h). And it can be overridden by setting -+ in build scripts. Here I hardcoded the value for x86. */ -+#define BITS_PER_UNIT 8 -+#define LONG_LONG_TYPE_SIZE 64 -+ -+/* There are many gcc_assertions. Set the vaule to 1 if we want a warning -+ message if the assertion fails. */ -+#ifndef ENABLE_ASSERT_CHECKING -+#define ENABLE_ASSERT_CHECKING 1 -+#endif -+#endif /* __COREBOOT__ */ -+ - #if IN_LIBGCOV - /* About the target */ - -@@ -232,7 +250,9 @@ - is not also used in a DSO. */ - #if IN_LIBGCOV - -+#ifndef __COREBOOT__ - #include "tconfig.h" -+#endif /* __COREBOOT__ */ - - #define gcov_var __gcov_var - #define gcov_open __gcov_open -@@ -455,8 +475,10 @@ - /* Register a new object file module. */ - extern void __gcov_init (struct gcov_info *) ATTRIBUTE_HIDDEN; - -+#ifndef __COREBOOT__ - /* Called before fork, to avoid double counting. */ - extern void __gcov_flush (void) ATTRIBUTE_HIDDEN; -+#endif - - /* The merge function that just sums the counters. */ - extern void __gcov_merge_add (gcov_type *, unsigned) ATTRIBUTE_HIDDEN; ---- gcc-4.7.2/libgcc/libgcov.c 2012-01-11 10:50:21.000000000 -0800 -+++ coreboot/src/lib/libgcov.c 2013-01-16 09:45:11.000000000 -0800 -@@ -25,12 +25,41 @@ - see the files COPYING3 and COPYING.RUNTIME respectively. If not, see - . */ - -+#define __COREBOOT__ -+#ifdef __COREBOOT__ -+#include -+#include -+#include -+#include -+typedef s32 pid_t; -+#define gcc_assert(x) ASSERT(x) -+#define fprintf(file, x...) printk(BIOS_ERR, x) -+#define alloca(size) __builtin_alloca (size) -+#include "gcov-glue.c" -+ -+/* Define MACROs to be used by coreboot compilation. */ -+# define L_gcov -+# define L_gcov_interval_profiler -+# define L_gcov_pow2_profiler -+# define L_gcov_one_value_profiler -+# define L_gcov_indirect_call_profiler -+# define L_gcov_average_profiler -+# define L_gcov_ior_profiler -+ -+# define HAVE_CC_TLS 0 -+# define __GCOV_KERNEL__ -+ -+# define IN_LIBGCOV 1 -+# define IN_GCOV 0 -+#else /* __COREBOOT__ */ - #include "tconfig.h" - #include "tsystem.h" - #include "coretypes.h" - #include "tm.h" - #include "libgcc_tm.h" -+#endif /* __COREBOOT__ */ - -+#ifndef __COREBOOT__ - #if defined(inhibit_libc) - #define IN_LIBGCOV (-1) - #else -@@ -41,6 +70,7 @@ - #define GCOV_LINKAGE /* nothing */ - #endif - #endif -+#endif /* __COREBOOT__ */ - #include "gcov-io.h" - - #if defined(inhibit_libc) -@@ -68,12 +98,17 @@ - - #else - -+#ifndef __COREBOOT__ - #include - #if GCOV_LOCKED - #include - #include - #include - #endif -+#else -+void __gcov_merge_add(gcov_type *counters __attribute__ ((unused)), -+ unsigned n_counters __attribute__ ((unused))) {} -+#endif /* __COREBOOT__ */ - - #ifdef L_gcov - #include "gcov-io.c" -@@ -99,6 +134,10 @@ - static int - create_file_directory (char *filename) - { -+#ifdef __COREBOOT__ -+ (void) filename; -+ return 0; -+#else - #if !defined(TARGET_POSIX_IO) && !defined(_WIN32) - (void) filename; - return -1; -@@ -137,6 +176,7 @@ - }; - return 0; - #endif -+#endif - } - - static struct gcov_fn_buffer * -@@ -279,7 +319,7 @@ - struct gcov_ctr_summary *cs_ptr; - const struct gcov_ctr_info *ci_ptr; - unsigned t_ix; -- int f_ix; -+ int f_ix = 0; - gcov_unsigned_t c_num; - const char *gcov_prefix; - int gcov_prefix_strip = 0; -@@ -329,6 +369,7 @@ - } - } - -+#ifndef __COREBOOT__ - { - /* Check if the level of dirs to strip off specified. */ - char *tmp = getenv("GCOV_PREFIX_STRIP"); -@@ -352,6 +393,7 @@ - prefix_length--; - } - else -+#endif - prefix_length = 0; - - /* If no prefix was specified and a prefix stip, then we assume -@@ -696,8 +738,10 @@ - if (filename_length > gcov_max_filename) - gcov_max_filename = filename_length; - -+#ifndef __COREBOOT__ - if (!gcov_list) - atexit (gcov_exit); -+#endif - - info->next = gcov_list; - gcov_list = info; -@@ -767,14 +811,15 @@ - - #ifdef L_gcov_merge_single - /* The profile merging function for choosing the most common value. -- It is given an array COUNTERS of N_COUNTERS old counters and it -- reads the same number of counters from the gcov file. The counters -- are split into 3-tuples where the members of the tuple have -- meanings: -- -- -- the stored candidate on the most common value of the measured entity -- -- counter -- -- total number of evaluations of the value */ -+ * It is given an array COUNTERS of N_COUNTERS old counters and it -+ * reads the same number of counters from the gcov file. The counters -+ * are split into 3-tuples where the members of the tuple have -+ * meanings: -+ * -+ * -- the stored candidate on the most common value of the measured entity -+ * -- counter -+ * -- total number of evaluations of the value -+ */ - void - __gcov_merge_single (gcov_type *counters, unsigned n_counters) - { -@@ -805,15 +850,16 @@ - - #ifdef L_gcov_merge_delta - /* The profile merging function for choosing the most common -- difference between two consecutive evaluations of the value. It is -- given an array COUNTERS of N_COUNTERS old counters and it reads the -- same number of counters from the gcov file. The counters are split -- into 4-tuples where the members of the tuple have meanings: -- -- -- the last value of the measured entity -- -- the stored candidate on the most common difference -- -- counter -- -- total number of evaluations of the value */ -+ * difference between two consecutive evaluations of the value. It is -+ * given an array COUNTERS of N_COUNTERS old counters and it reads the -+ * same number of counters from the gcov file. The counters are split -+ * into 4-tuples where the members of the tuple have meanings: -+ * -+ * -- the last value of the measured entity -+ * -- the stored candidate on the most common difference -+ * -- counter -+ * -- total number of evaluations of the value -+ */ - void - __gcov_merge_delta (gcov_type *counters, unsigned n_counters) - { -- cgit v1.2.3