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annotate gcc/testsuite/gcc.dg/darwin-weakimport-3.c @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* { dg-do compile { target *-*-darwin* } } */
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2
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3 /* Here we want to test if "foo" gets placed into a coalesced
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4 section (it should not).
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5
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6 However, for i386, and PIC code we have a "get_pc thunk" that
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7 is (correctly) placed in a coalesced section when using an older
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8 linker - also unwind tables are emitted into coalesced.
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9
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10 With modern linkers this is moot, since even weak symbols
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11 are emitted into the regular sections.
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12
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13 To avoid the unwind tables -fno-asynchronous-unwind-tables.
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14 To ensure that we emit code for an older linker -mtarget-linker
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15 To avoid the get_pc thunk optimise at least O1. */
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17 /* { dg-options "-fno-asynchronous-unwind-tables -O1 -mtarget-linker 85.2" } */
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18 /* { dg-require-weak "" } */
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20 /* { dg-final { scan-assembler-not "coalesced" } } */
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22 extern void foo(void) __attribute__((weak_import));
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24 void foo(void)
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25 {
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26 }