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28 Commits (4dde3417b4bb4b1b1545bd913be337680b5e28c3)

Author SHA1 Message Date
Ariadne Conill fb1d203677 everywhere: drop _GNU_SOURCE requirement 2021-03-09 00:25:13 -07:00
osy 5d66c194a7 x86_64: define reg names if not defined 
_GNU_SOURCE can be defined without defining REG_X macros so it is not a
good indicator. (QEMU for example defines it in the build system.) x86
and x86_64 should have consistant looking defs.h so ifndef guards are
added to each REG_X definition.
 2021-03-08 14:02:58 -08:00
osy f3e1b876c7 project: move freestanding include headers 
This is needed because in libucontext.h we include "libucontext/bits.h".
We therefore need to have bits.h in somepath/libucontext/bits.h. In the
Makefile, somepath/freestanding/bits.h was copied to the right path but
in the meson build system, the include copy happens at the end.
 2021-03-08 13:02:27 -08:00
Ariadne Conill 09f78ddc28 alias __makecontext too 2021-01-08 10:37:27 +00:00
osy f7eed30132 build: guard _GNU_SOURCE define if build system defines it 2021-01-08 03:16:05 -07:00
osy d31c95a11a build: remove -DLIBUCONTEXT_ASSEMBLY 
Meson does not support separate defines for .S compile.
 2021-01-08 03:11:25 -07:00
osy 73d5e101ad build: respect EXPORT_UNPREFIXED for libucontext_makecontext 2021-01-08 03:02:43 -07:00
osy e1e6508af2 defs: use register output only for FETCH_LINKPTR 2021-01-08 02:59:43 -07:00
Ariadne Conill 638770cfd0 x86_64: add static assert verifying memory layout 2021-01-08 02:56:45 -07:00
Ariadne Conill 39a2958561 add previous ABI symbols 2021-01-08 02:30:50 -07:00
Ariadne Conill 2d51d7bfa4 x86_64: add common trampoline code written in C, port to it 2020-12-11 23:04:47 -07:00
Ariadne Conill 9aef11752f x86_64: add freestanding port 2020-12-06 03:22:27 -07:00
Ariadne Conill c31decc3d4 build: use internal definitions to replace things pulled in from ucontext.h 2020-12-06 03:44:45 -06:00
Ariadne Conill e65e485630 everywhere: rename __swapcontext to libucontext_swapcontext 2020-12-06 03:04:22 -06:00
Ariadne Conill 37fe7afd5f everywhere: rename __setcontext to libucontext_setcontext 2020-12-06 03:03:07 -06:00
Ariadne Conill 99ed5bbe12 everywhere: rename __getcontext to libucontext_getcontext 2020-12-06 03:02:25 -06:00
Ariadne Conill 2f31efaa95 everywhere: rename __start_context to better descriptive libucontext_trampoline 2020-12-06 02:59:59 -06:00
Ariadne Conill c693dc663c rename __makecontext to libucontext_makecontext 2020-12-06 02:56:59 -06:00
Ariadne Conill b1ea2ae83b everywhere: use ucontext.h instead of signal.h for pulling in ucontext definitions 
This allows building libucontext against newlib.
 2020-12-04 11:19:02 -07:00
Ariadne Conill d8cfe83e34 common: use REG_SZ, not SZ_REG in line with mips64 port for REG_OFFSET macro 2020-03-29 14:50:38 +00:00
Ariadne Conill e00902b5b1 x86_64: modernize implementation 2020-03-29 14:27:40 +00:00
Ariadne Conill d31eaabbaf update copyright statements, add mailmap 2020-03-27 09:23:49 +00:00
A. Wilcox 6046eb47e4
Reorder registers in other x86_64 assembler files 
This fixes the previous commit which changed the register order in
swapcontext only, which caused setcontext to subtly corrupt the stack.
 2018-07-19 17:18:19 -05:00
Timo Teräs 790ed28aff fix x86_64 register order for swapcontext 
rbp and rsi were reversed causing argument passing to fail since
rsi is used to pass 2nd argument.

fixes #9
 2018-07-18 15:47:27 +03:00
William Pitcock 0622245f06 x86_64: trampoline: do same cleanups as in x86 2018-02-15 04:34:37 +00:00
William Pitcock 556da6ce99 x86/x86_64: getcontext: no need to restore %ecx or %rcx 2018-02-14 05:12:09 +00:00
William Pitcock da10e5a66d implement ucontext functions on x86_64 2018-01-30 03:41:02 +00:00
William Pitcock 6062fc83b1 don't bother with glibc stuff afterall, kernel defines ABI to use 2018-01-29 21:50:49 +00:00