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Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/…
…linux/kernel/git/tip/tip Pull perf fixes from Thomas Gleixner: "This update contains: - a fix for the bpf tools to use the new EM_BPF code - a fix for the module parser of perf to retrieve the proper text start address - add str_error_c to libapi to avoid linking against tools/lib/str_error_r.o" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: tools lib api: Add str_error_c to libapi perf s390: Fix 'start' address of module's map tools lib bpf: Use official ELF e_machine value
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Original file line number | Diff line number | Diff line change |
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@@ -2,3 +2,5 @@ libperf-y += header.o | |
libperf-y += kvm-stat.o | ||
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libperf-$(CONFIG_DWARF) += dwarf-regs.o | ||
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libperf-y += machine.o |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,19 @@ | ||
#include <unistd.h> | ||
#include <stdio.h> | ||
#include <string.h> | ||
#include "util.h" | ||
#include "machine.h" | ||
#include "api/fs/fs.h" | ||
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int arch__fix_module_text_start(u64 *start, const char *name) | ||
{ | ||
char path[PATH_MAX]; | ||
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snprintf(path, PATH_MAX, "module/%.*s/sections/.text", | ||
(int)strlen(name) - 2, name + 1); | ||
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if (sysfs__read_ull(path, (unsigned long long *)start) < 0) | ||
return -1; | ||
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return 0; | ||
} |
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