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6l, 8l: include ELF header in PT_LOAD mapping for text segment

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Due to page boundary rounding, the header would have
been loaded as part of the text segment already, but this
change placates the "paxctl" tool on so-called hardened
Linux distributions (as if normal distributions weren't already
hard enough to use).

R=r
CC=golang-dev
https://golang.org/cl/954041
This commit is contained in:
Russ Cox 2010-04-20 20:39:55 -07:00
parent 76cbbc8a95
commit 1c0c252880
2 changed files with 10 additions and 10 deletions
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10
src/cmd/6l/asm.c
View File

@ -713,11 +713,11 @@ asmb(void)
ph = newElfPhdr();
ph->type = PT_LOAD;
ph->flags = PF_X+PF_R;
ph->vaddr = va;
ph->paddr = va;
ph->off = fo;
ph->filesz = w;
ph->memsz = w;
ph->vaddr = va - fo;
ph->paddr = va - fo;
ph->off = 0;
ph->filesz = w + fo;
ph->memsz = w + fo;
ph->align = INITRND;
fo = rnd(fo+w, INITRND);

10
src/cmd/8l/asm.c
View File

@ -829,11 +829,11 @@ asmb(void)
ph = newElfPhdr();
ph->type = PT_LOAD;
ph->flags = PF_X+PF_R;
ph->vaddr = va;
ph->paddr = va;
ph->off = fo;
ph->filesz = w;
ph->memsz = w;
ph->vaddr = va - fo;
ph->paddr = va - fo;
ph->off = 0;
ph->filesz = w + fo;
ph->memsz = w + fo;
ph->align = INITRND;
fo = rnd(fo+w, INITRND);