ce1ef5b8fc
- libtcc.c/tccpp.c: fix -U option for multiple input files - libtcc: remove decl of tcc_add_crt() for PE - tcc.h: define __i386__ and __x86_64__ for msvc - tcc.h: undef __attribute__ for __TINYC__ on gnu/linux platforms - tccelf.c: disable prepare_dynamic_rel unless x86/x64 - tccpe.c: construct rather than predefine PE section flags - tccpp.c: (alt.) fix access of dead stack variable after error/longjmp - x86_64-gen.c: fix func_alloca chain for nocode_wanted - tccpp.c/tccgen.c: improve file:line info for inline functions - winapi/winnt.h: correct position for DECLSPEC_ALIGN attribute - win32/lib/crt: simplify top exception handler (needed for signal) - arm64-gen.c: remove dprintf left from VT_CMP commit - tccgen.c: limit binary scan with gcase to > 8 (= smaller code) - tccgen.c: call save_regs(4) in gen_opl for cmp-ops (see test in tcctest.c)
69 lines
1.6 KiB
ArmAsm
69 lines
1.6 KiB
ArmAsm
/* ---------------------------------------------- */
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/* chkstk86.s */
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/* ---------------------------------------------- */
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#ifndef __x86_64__
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/* ---------------------------------------------- */
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.globl __chkstk
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__chkstk:
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xchg (%esp),%ebp /* store ebp, get ret.addr */
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push %ebp /* push ret.addr */
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lea 4(%esp),%ebp /* setup frame ptr */
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push %ecx /* save ecx */
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mov %ebp,%ecx
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P0:
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sub $4096,%ecx
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test %eax,(%ecx)
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sub $4096,%eax
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cmp $4096,%eax
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jge P0
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sub %eax,%ecx
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test %eax,(%ecx)
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mov %esp,%eax
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mov %ecx,%esp
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mov (%eax),%ecx /* restore ecx */
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jmp *4(%eax)
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/* ---------------------------------------------- */
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#else
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/* ---------------------------------------------- */
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.globl __chkstk
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__chkstk:
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xchg (%rsp),%rbp /* store ebp, get ret.addr */
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push %rbp /* push ret.addr */
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lea 8(%rsp),%rbp /* setup frame ptr */
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push %rcx /* save ecx */
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mov %rbp,%rcx
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movslq %eax,%rax
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P0:
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sub $4096,%rcx
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test %rax,(%rcx)
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sub $4096,%rax
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cmp $4096,%rax
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jge P0
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sub %rax,%rcx
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test %rax,(%rcx)
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mov %rsp,%rax
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mov %rcx,%rsp
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mov (%rax),%rcx /* restore ecx */
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jmp *8(%rax)
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/* ---------------------------------------------- */
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/* setjmp/longjmp support */
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.globl tinyc_getbp
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tinyc_getbp:
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mov %rbp,%rax
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ret
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/* ---------------------------------------------- */
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#endif
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/* ---------------------------------------------- */
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