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*BSD requires -1==fd for MAP_ANONYMOUS

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stub/l_lx_exec.c stub/l_lx_sh.c stub/l_lx_sh86.asm
This commit is contained in:
John Reiser
2006-05-21 13:45:57 -07:00
parent 3272d23917
commit 69a00c0ab3
3 changed files with 5 additions and 5 deletions
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src/stub/l_lx_sh.c
+2 -2
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@@ -209,7 +209,7 @@ xfind_pages(unsigned mflags, Elf32_Phdr const *phdr, int phnum)
lo -= ~PAGE_MASK & lo; // round down to page boundary
hi = PAGE_MASK & (hi - lo - PAGE_MASK -1); // page length
szlo = PAGE_MASK & (szlo - PAGE_MASK -1); // page length
addr = mmap((void *)lo, hi, PROT_READ|PROT_WRITE|PROT_EXEC, mflags, 0, 0);
addr = mmap((void *)lo, hi, PROT_READ|PROT_WRITE|PROT_EXEC, mflags, -1, 0);
// Doing this may destroy the brk() that we set so carefully above.
// The munmap() is "needed" only for discontiguous PT_LOAD,
@@ -266,7 +266,7 @@ ERR_LAB
addr += mlen + frag; /* page boundary on hi end */
if (addr < haddr) { // need pages for .bss
if (addr != mmap(addr, haddr - addr, prot,
MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, 0, 0 ) ) {
MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0 ) ) {
err_exit(9);
}
}