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Make fixes and improvements

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- Document more compiler flags
- Expose new __print_maps() api
- Better overflow checking in mmap()
- Improve the shell example somewhat
- Fix minor runtime bugs regarding stacks
- Make kill() on fork()+execve()'d children work
- Support CLONE_CHILD_CLEARTID for proper joining
- Fix recent possible deadlock regression with --ftrace
This commit is contained in:
Justine Tunney 2022-05-19 16:57:49 -07:00
parent 6e52cba37a
commit ec2cb88058
68 changed files with 1211 additions and 431 deletions
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8
ape/ape.lds
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@ -510,7 +510,7 @@ HIDDEN(ape_ram_rva = RVA(ape_ram_vaddr));
HIDDEN(ape_stack_pf = DEFINED(ape_stack_pf) ? ape_stack_pf : PF_R | PF_W);
HIDDEN(ape_stack_prot = _PF2PROT(ape_stack_pf));
HIDDEN(ape_stack_offset = ape_ram_offset + ape_ram_filesz);
HIDDEN(ape_stack_vaddr = DEFINED(ape_stack_vaddr) ? ape_stack_vaddr : 0x700000000000 - STACKSIZE);
HIDDEN(ape_stack_vaddr = DEFINED(ape_stack_vaddr) ? ape_stack_vaddr : 0x700000000000);
HIDDEN(ape_stack_paddr = ape_ram_paddr + ape_ram_filesz);
HIDDEN(ape_stack_filesz = 0);
HIDDEN(ape_stack_memsz = DEFINED(ape_stack_memsz) ? ape_stack_memsz : STACKSIZE);
@ -697,6 +697,12 @@ ASSERT(DEFINED(_start) || DEFINED(_start16),
ASSERT(!DEFINED(_start16) || REAL(_end) < 65536,
"ape won't support non-tiny real mode programs");
ASSERT(IS2POW(ape_stack_memsz),
"ape_stack_memsz must be a two power");
ASSERT(!(ape_stack_vaddr & (ape_stack_memsz - 1)),
"ape_stack_vaddr must have ape_stack_memsz alignment; try using STATIC_STACK_ADDR(0x700000000000 - ape_stack_memsz);");
/* Let's not be like Knight Capital. */
/* NOCROSSREFS_TO(.test .text) */