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gdb/fortran: Fix quad floating-point type for Intel compilers.

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Intel Fortran compilers emit the following DWARF for gdb.fortran/complex.f90:

0x00000071:   DW_TAG_base_type
                DW_AT_name	("COMPLEX*32")
                DW_AT_encoding	(DW_ATE_complex_float)
                DW_AT_byte_size	(0x20)

0x00000078:   DW_TAG_base_type
                DW_AT_name	("REAL*16")
                DW_AT_encoding	(DW_ATE_float)
                DW_AT_byte_size	(0x10)

This results in GDB not reading the right values, as it wrongly assumes the
default floatformat "floatformat_i387_ext" instead of
"floatformat_ia64_quad_little".

gdb/ChangeLog:
2021-03-15  Felix Willgerodt  <felix.willgerodt@intel.com>

	* i386-tdep.c (i386_floatformat_for_type): Add COMPLEX*32 and REAL*16.
This commit is contained in:
Felix Willgerodt
2021-03-15 11:00:28 +01:00
parent c68b1842bd
commit 8d624a9d80
2 changed files with 8 additions and 1 deletions
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4
gdb/ChangeLog
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@@ -1,3 +1,7 @@
2021-03-15 Felix Willgerodt <felix.willgerodt@intel.com>
* i386-tdep.c (i386_floatformat_for_type): Add COMPLEX*32 and REAL*16.
2021-03-15 Andrew Burgess <andrew.burgess@embecosm.com>
* python/python.c (gdbpy_source_objfile_script): Use

5
gdb/i386-tdep.c
View File

@@ -8162,9 +8162,12 @@ i386_floatformat_for_type (struct gdbarch *gdbarch,
|| strcmp (name, "_Float128") == 0
|| strcmp (name, "complex _Float128") == 0
|| strcmp (name, "complex(kind=16)") == 0
|| strcmp (name, "complex*32") == 0
|| strcmp (name, "COMPLEX*32") == 0
|| strcmp (name, "quad complex") == 0
|| strcmp (name, "real(kind=16)") == 0
|| strcmp (name, "real*16") == 0)
|| strcmp (name, "real*16") == 0
|| strcmp (name, "REAL*16") == 0)
return floatformats_ia64_quad;
return default_floatformat_for_type (gdbarch, name, len);