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Make setjmp/longjmp work at least on FreeBSD/amd64.
FreeBSD-supplied setjmp() saves incremented stack pointer into jmpbuf. I have no idea whether siglongjmp ever worked on amd64, since UNW_NUM_EH_REGS == 2 and abort at siglongjmp.c:81 is firing.
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2 changed files with 8 additions and 0 deletions
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@ -50,7 +50,11 @@ _longjmp (jmp_buf env, int val)
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{
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if (unw_get_reg (&c, UNW_REG_SP, &sp) < 0)
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abort ();
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#ifdef __FreeBSD__
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if (sp != wp[JB_SP] + sizeof(unw_word_t))
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#else
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if (sp != wp[JB_SP])
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#endif
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continue;
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if (!bsp_match (&c, wp))
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@ -53,7 +53,11 @@ siglongjmp (sigjmp_buf env, int val)
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{
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if (unw_get_reg (&c, UNW_REG_SP, &sp) < 0)
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abort ();
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#ifdef __FreeBSD__
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if (sp != wp[JB_SP] + sizeof(unw_word_t))
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#else
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if (sp != wp[JB_SP])
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#endif
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continue;
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if (!bsp_match (&c, wp))
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