mirror of
https://abf.rosa.ru/djam/gcc7.git
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73 lines
2.2 KiB
Diff
73 lines
2.2 KiB
Diff
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--- gcc-4.6-20110415/gcc/config/i386/biarch64.h.orig 2011-04-24 05:41:14.296592400 -0300
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+++ gcc-4.6-20110415/gcc/config/i386/biarch64.h 2011-04-24 05:41:32.776642363 -0300
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@@ -27,3 +27,12 @@ see the files COPYING3 and COPYING.RUNTI
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#define TARGET_64BIT_DEFAULT OPTION_MASK_ISA_64BIT
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#define TARGET_BI_ARCH 1
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+
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+#if defined(__linux__)
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+#ifndef inhibit_libc
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+#include <sys/syscall.h>
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+#include <sys/personality.h>
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+#define TARGET_32BIT_PERSONALITY \
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+ ((syscall(SYS_personality, 0xffffffff) & PER_MASK) == PER_LINUX32)
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+#endif
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+#endif
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--- gcc-4.6-20110415/gcc/opts-common.c.orig 2011-04-24 05:41:22.864615786 -0300
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+++ gcc-4.6-20110415/gcc/opts-common.c 2011-04-24 05:41:59.006715082 -0300
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@@ -21,6 +21,7 @@ along with GCC; see the file COPYING3.
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#include "system.h"
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#include "intl.h"
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#include "coretypes.h"
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+#include "tm.h"
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#include "opts.h"
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#include "flags.h"
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#include "diagnostic.h"
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@@ -678,6 +679,10 @@ decode_cmdline_options_to_array (unsigne
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struct cl_decoded_option *opt_array;
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unsigned int num_decoded_options;
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bool argv_copied = false;
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+#ifdef TARGET_32BIT_PERSONALITY
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+ bool arch_flag = false;
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+ bool arch_32bit = TARGET_32BIT_PERSONALITY;
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+#endif
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opt_array = XNEWVEC (struct cl_decoded_option, argc);
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@@ -706,12 +711,34 @@ decode_cmdline_options_to_array (unsigne
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n = 1;
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continue;
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}
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-
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+#ifdef TARGET_32BIT_PERSONALITY
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+ if (!arch_flag && arch_32bit
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+ && opt[1] == 'm' && ((opt[2] == '3' && opt[3] == '2')
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+ || (opt[2] == '6' && opt[3] == '4'))
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+ && opt[4] == '\0')
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+ arch_flag = true;
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+#endif
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n = decode_cmdline_option (argv + i, lang_mask,
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&opt_array[num_decoded_options]);
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num_decoded_options++;
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}
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+#ifdef TARGET_32BIT_PERSONALITY
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+ if (!arch_flag && arch_32bit)
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+ {
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+ char **argvec = XNEWVEC (char *, 2);
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+
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+ argvec[0] = "-m32";
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+ argvec[1] = NULL;
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+ if (++num_decoded_options > argc)
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+ opt_array = XRESIZEVEC (struct cl_decoded_option,
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+ opt_array, num_decoded_options);
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+ (void)decode_cmdline_option (argvec, lang_mask,
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+ &opt_array[num_decoded_options - 1]);
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+ free (argvec);
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+ }
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+#endif
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+
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if (argv_copied)
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free (argv);
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*decoded_options = opt_array;
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