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John Polstra 87f11ab41b Fix a bug that caused incorrect PIC code to be generated for exceptions. 
The symptom was an assembler warning

    "GOT relocation burb: `___EXCEPTION_TABLE__' should be global"

followed (sometimes) by a core dump.  The fix makes the compiler
generate the correct GOTOFF addressing for that symbol, rather than the
GOT addressing it was emitting before.

Warning:  There is still at least one serious bug in the i386 exception
code for PIC.  The exception code that is generated clobbers the GOT
register (%ebx) and then tries to use it later.  That leads to core
dumps at program execution time.  I know where the problem is, but I do
not have a fix for it at this time.  Until it is fixed, exceptions will
not work in PIC code.  This is a general problem for all i386 platforms;
it is not specific to FreeBSD.
 		1996-10-03 17:49:35 +00:00
..
i386 Fix a bug that caused incorrect PIC code to be generated for exceptions. 1996-10-03 17:49:35 +00:00
README Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the 1996-09-18 05:35:50 +00:00
aoutos.h Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the 1996-09-18 05:35:50 +00:00
fp-bit.c Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the 1996-09-18 05:35:50 +00:00
gnu.h Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the 1996-09-18 05:35:50 +00:00
gofast.h Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the 1996-09-18 05:35:50 +00:00
linux-aout.h Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the 1996-09-18 05:35:50 +00:00
linux.h Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the 1996-09-18 05:35:50 +00:00
lynx-ng.h Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the 1996-09-18 05:35:50 +00:00
lynx.h Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the 1996-09-18 05:35:50 +00:00
netbsd.h Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the 1996-09-18 05:35:50 +00:00
nextstep.c Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the 1996-09-18 05:35:50 +00:00
nextstep.h Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the 1996-09-18 05:35:50 +00:00
nextstep21.h Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the 1996-09-18 05:35:50 +00:00
svr3.h Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the 1996-09-18 05:35:50 +00:00
svr4.h Import of 2.7.2.1 into vendor branch 1996-09-18 05:45:16 +00:00
t-libc-ok Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the 1996-09-18 05:35:50 +00:00
t-svr4 Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the 1996-09-18 05:35:50 +00:00
x-linux Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the 1996-09-18 05:35:50 +00:00
x-lynx Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the 1996-09-18 05:35:50 +00:00
x-netbsd Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the 1996-09-18 05:35:50 +00:00
x-svr4 Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the 1996-09-18 05:35:50 +00:00
xm-freebsd.h Merge in freebsd-specific changes 1996-09-18 06:54:11 +00:00
xm-gnu.h Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the 1996-09-18 05:35:50 +00:00
xm-linux.h Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the 1996-09-18 05:35:50 +00:00
xm-lynx.h Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the 1996-09-18 05:35:50 +00:00
xm-netbsd.h Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the 1996-09-18 05:35:50 +00:00
xm-svr3.h Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the 1996-09-18 05:35:50 +00:00
xm-svr4.h Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the 1996-09-18 05:35:50 +00:00

README 

This directory contains machine-specific files for the GNU C compiler.
It has a subdirectory for each basic CPU type.
The only files in this directory itself
are some .h files that pertain to particular operating systems
and are used for more than one CPU type.