[RFC PATCH V3]s390/perf:fix 'start' address of module's map

[Song Shan Gong]

Change log:

>From V2:
1. remove redundancy string 'module_name';


>From V1:
1.change func name from 'fix__arch_module_baseaddr' to
'fix__arch_module_text_start';
2.Parse '.text' start addr from 'sys' through 'sysfs__read_ull', not
'hex2u64()';
2.Perfect code: check return value and allocated pointer by 'strdup'.

Song Shan Gong (1):
  s390/perf: fix 'start' address of module's map

 tools/perf/arch/s390/util/Build          |  2 ++
 tools/perf/arch/s390/util/sym-handling.c | 27 +++++++++++++++++++++++++++
 tools/perf/util/machine.c                |  8 ++++++++
 tools/perf/util/machine.h                |  1 +
 4 files changed, 38 insertions(+)
 create mode 100644 tools/perf/arch/s390/util/sym-handling.c

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2.3.0